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     new 203258d  Commit build products
203258d is described below

commit 203258db4004fe3965ec7aadfe830fbe53f6c726
Author: Build Pelican (action) <[email protected]>
AuthorDate: Fri Jul 11 11:03:11 2025 +0000

    Commit build products
---
 output/2025/07/11/datafusion-47.0.0/index.html     | 281 +++++++++++++++++++++
 output/author/pmc.html                             |  34 ++-
 output/category/blog.html                          |  30 +++
 output/feed.xml                                    |  22 +-
 output/feeds/all-en.atom.xml                       | 242 +++++++++++++++++-
 output/feeds/blog.atom.xml                         | 242 +++++++++++++++++-
 output/feeds/pmc.atom.xml                          | 242 +++++++++++++++++-
 output/feeds/pmc.rss.xml                           |  22 +-
 .../datafusion-47.0.0/datafusion-telemetry.png     | Bin 0 -> 142838 bytes
 output/index.html                                  |  39 +++
 10 files changed, 1147 insertions(+), 7 deletions(-)

diff --git a/output/2025/07/11/datafusion-47.0.0/index.html 
b/output/2025/07/11/datafusion-47.0.0/index.html
new file mode 100644
index 0000000..dcb8caa
--- /dev/null
+++ b/output/2025/07/11/datafusion-47.0.0/index.html
@@ -0,0 +1,281 @@
+<!doctype html>
+<html class="no-js" lang="en" dir="ltr">
+  <head>
+    <meta charset="utf-8">
+    <meta http-equiv="x-ua-compatible" content="ie=edge">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Apache DataFusion 47.0.0 Released - Apache DataFusion Blog</title>
+<link href="/blog/css/bootstrap.min.css" rel="stylesheet">
+<link href="/blog/css/fontawesome.all.min.css" rel="stylesheet">
+<link href="/blog/css/headerlink.css" rel="stylesheet">
+<link href="/blog/highlight/default.min.css" rel="stylesheet">
+<script src="/blog/highlight/highlight.js"></script>
+<script>hljs.highlightAll();</script>  </head>
+  <body class="d-flex flex-column h-100">
+  <main class="flex-shrink-0">
+<!-- nav bar -->
+<nav class="navbar navbar-expand-lg navbar-dark bg-dark" aria-label="Fifth 
navbar example">
+    <div class="container-fluid">
+        <a class="navbar-brand" href="/blog"><img 
src="/blog/images/logo_original4x.png" style="height: 32px;"/> Apache 
DataFusion Blog</a>
+        <button class="navbar-toggler" type="button" data-bs-toggle="collapse" 
data-bs-target="#navbarADP" aria-controls="navbarADP" aria-expanded="false" 
aria-label="Toggle navigation">
+            <span class="navbar-toggler-icon"></span>
+        </button>
+
+        <div class="collapse navbar-collapse" id="navbarADP">
+            <ul class="navbar-nav me-auto mb-2 mb-lg-0">
+                <li class="nav-item">
+                    <a class="nav-link" href="/blog/about.html">About</a>
+                </li>
+                <li class="nav-item">
+                    <a class="nav-link" href="/blog/feed.xml">RSS</a>
+                </li>
+            </ul>
+        </div>
+    </div>
+</nav>    
+
+
+<!-- article contents -->
+<div id="contents">
+    <div class="bg-white p-5 rounded">
+        <div class="col-sm-8 mx-auto">
+          <h1>
+            Apache DataFusion 47.0.0 Released
+          </h1>
+            <p>Posted on: Fri 11 July 2025 by PMC</p>
+            <!--
+{% comment %}
+Licensed to the Apache Software Foundation (ASF) under one or more
+contributor license agreements.  See the NOTICE file distributed with
+this work for additional information regarding copyright ownership.
+The ASF licenses this file to you under the Apache License, Version 2.0
+(the "License"); you may not use this file except in compliance with
+the License.  You may obtain a copy of the License at
+http://www.apache.org/licenses/LICENSE-2.0
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+{% endcomment %}
+-->
+<!-- see https://github.com/apache/datafusion/issues/16347 for details -->
+<p>We&rsquo;re excited to announce the release of <strong>Apache DataFusion 
47.0.0</strong>! This new version represents a significant
+milestone for the project, packing in a wide range of improvements and fixes. 
You can find the complete details in the
+full <a 
href="https://github.com/apache/datafusion/blob/branch-47/dev/changelog/47.0.0.md";>changelog</a>.
 We&rsquo;ll highlight the most
+important changes below and guide you through upgrading.</p>
+<p>Note that DataFusion 47.0.0 was released in April 2025, but we are only now 
publishing the blog post due to 
+limited bandwidth in the DataFusion community. We apologize for the delay and 
encourage you to come help us
+accelerate the next release and announcements 
+by <a 
href="https://datafusion.apache.org/contributor-guide/communication.html";>joining
 the community</a>  🎣.</p>
+<h2>Breaking Changes</h2>
+<p>DataFusion 47.0.0 brings a few <strong>breaking changes</strong> that may 
require adjustments to your code as described in
+the <a 
href="https://datafusion.apache.org/library-user-guide/upgrading.html#datafusion-47-0-0";>Upgrade
 Guide</a>. Here are some notable ones:</p>
+<ul>
+<li><a href="https://github.com/apache/datafusion/pull/15466";>Upgrades to 
arrow-rs and arrow-parquet 55.0.0 and object_store 0.12.0</a>:
+  Several APIs changed in the underlying <code>arrow</code>, 
<code>parquet</code> and <code>object_store</code> libraries to use a 
<code>u64</code> instead of usize to better support
+  WASM. This requires converting from <code>usize</code> to <code>u64</code> 
occasionally as well as changes to ObjectStore implementations such as</li>
+</ul>
+<pre><code class="language-Rust">impl ObjectStore {
+    ...
+
+    // The range is now a u64 instead of usize
+    async fn get_range(&amp;self, location: &amp;Path, range: 
Range&lt;u64&gt;) -&gt; ObjectStoreResult&lt;Bytes&gt; {
+        self.inner.get_range(location, range).await
+    }
+
+    ...
+
+    // the lifetime is now 'static instead of '_ (meaning the captured closure 
can't contain references)
+    // (this also applies to list_with_offset)
+    fn list(&amp;self, prefix: Option&lt;&amp;Path&gt;) -&gt; 
BoxStream&lt;'static, ObjectStoreResult&lt;ObjectMeta&gt;&gt; {
+        self.inner.list(prefix)
+    }
+}
+</code></pre>
+<ul>
+<li><a 
href="https://github.com/apache/datafusion/issues/14914";>DisplayFormatType::TreeRender</a>:
+  Implementations of <code>ExecutionPlan</code> must also provide a 
description in the <code>DisplayFormatType::TreeRender</code> format to
+  provide support for the new <a 
href="https://datafusion.apache.org/user-guide/sql/explain.html#tree-format-default";>tree
 style explains</a>.
+  This can be the same as the existing 
<code>DisplayFormatType::Default</code>.</li>
+</ul>
+<h2>Performance Improvements</h2>
+<p>DataFusion 47.0.0 comes with numerous performance enhancements across the 
board. Here are some of the noteworthy
+optimizations in this release:</p>
+<ul>
+<li>
+<p><strong><code>FIRST_VALUE</code> and <code>LAST_VALUE</code>:</strong> 
<code>FIRST_VALUE</code> and <code>LAST_VALUE</code> functions execute much 
faster for data with high cardinality such as those with many groups or 
partitions. DataFusion 47.0.0 executes the following in <strong>7 
seconds</strong> compared to <strong>36 seconds</strong> in DataFusion 46.0.0: 
<code>select id2, id4, first_value(v1 order by id2, id4) as r2 from 
'~/h2o_100m.parquet' group by id2, id4</code> (h2o.ai dat [...]
+  and <a href="https://github.com/apache/datafusion/pull/15542";>#15542</a> by 
<a href="https://github.com/UBarney";>UBarney</a>).</p>
+</li>
+<li>
+<p><strong><code>MIN</code>, <code>MAX</code> and <code>AVG</code> for 
Durations:</strong>  DataFusion executes aggregate queries up to 2.5x faster 
when they include <code>MIN</code>, <code>MAX</code> and <code>AVG</code> on 
<code>Duration</code> columns. 
+  (PRs <a href="https://github.com/apache/datafusion/pull/15322";>#15322</a> 
and <a href="https://github.com/apache/datafusion/pull/15748";>#15748</a>
+  by <a href="https://github.com/shruti2522";>shruti2522</a>).</p>
+</li>
+<li>
+<p><strong>Short circuit evaluation for <code>AND</code> and 
<code>OR</code>:</strong> DataFusion now eagerly skips the evaluation of
+  the right operand if the left is known to be false (<code>AND</code>) or 
true (<code>OR</code>) in certain cases. For complex predicates, such as those 
with many <code>LIKE</code> or <code>CASE</code> expressions, this optimization 
results in
+  <a 
href="https://github.com/apache/datafusion/issues/11212#issuecomment-2753584617";>significant
 performance improvements</a> (up to 100x in extreme cases).
+  (PRs <a href="https://github.com/apache/datafusion/pull/15462";>#15462</a> 
and <a href="https://github.com/apache/datafusion/pull/15694";>#15694</a>
+  by <a href="https://github.com/acking-you";>acking-you</a>).</p>
+</li>
+<li>
+<p><strong>TopK optimization for partially sorted input:</strong> Previous 
versions of DataFusion implemented early termination
+  optimization (TopK) for fully sorted data. DataFusion 47.0.0 extends the 
optimization for partially sorted data, which is common in many real-world 
datasets, such as time-series data sorted by day but not within each day. 
+  (PR <a href="https://github.com/apache/datafusion/pull/15563";>#15563</a> by 
<a href="https://github.com/geoffreyclaude";>geoffreyclaude</a>).</p>
+</li>
+<li>
+<p><strong>Disable re-validation of spilled files:</strong> DataFusion no 
longer does unnecessary re-validation of temporary spill files. The validation 
is unnecessary and expensive as the data is known to be valid when it was 
written out
+  (PR <a href="https://github.com/apache/datafusion/pull/15454";>#15454</a> by 
<a href="https://github.com/zebsme";>zebsme</a>).</p>
+</li>
+</ul>
+<h2>Highlighted New Features</h2>
+<h3>Tree style explains</h3>
+<p>In previous releases the <a 
href="https://datafusion.apache.org/user-guide/sql/explain.html";>EXPLAIN 
statement</a> results in a formatted table
+which is succinct and contains important details for implementers, but was 
often hard to read
+especially with queries that included joins or unions having multiple 
children.</p>
+<p>DataFusion 47.0.0 includes the new <code>EXPLAIN FORMAT TREE</code> 
(default in
+<code>datafusion-cli</code>) rendered in a visual tree style that is much 
easier to quickly
+understand.</p>
+<!-- SQL setup 
+create table t1(ti int) as values (1), (2), (3);
+create table t2(ti int) as values (1), (2), (3);
+-->
+<p>Example of the new explain output:</p>
+<pre><code class="language-sql">&gt; explain select * from t1 inner join t2 on 
t1.ti=t2.ti;
++---------------+------------------------------------------------------------+
+| plan_type     | plan                                                       |
++---------------+------------------------------------------------------------+
+| physical_plan | 
&boxdr;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxdl;
                              |
+|               | &boxv;    CoalesceBatchesExec    &boxv;                      
        |
+|               | &boxv;    --------------------   &boxv;                      
        |
+|               | &boxv;     target_batch_size:    &boxv;                      
        |
+|               | &boxv;            8192           &boxv;                      
        |
+|               | 
&boxur;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxhd;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxul;
                              |
+|               | 
&boxdr;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxhu;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxdl;
                              |
+|               | &boxv;        HashJoinExec       &boxv;                      
        |
+|               | &boxv;    --------------------   
&boxvr;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxdl;
               |
+|               | &boxv;       on: (ti = ti)       &boxv;              &boxv;  
             |
+|               | 
&boxur;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxhd;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxul;
              &boxv;               |
+|               | 
&boxdr;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxhu;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxdl;&boxdr;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxhu;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxdl;
 |
+|               | &boxv;       DataSourceExec      &boxv;&boxv;       
DataSourceExec      &boxv; |
+|               | &boxv;    --------------------   &boxv;&boxv;    
--------------------   &boxv; |
+|               | &boxv;         bytes: 112        &boxv;&boxv;         bytes: 
112        &boxv; |
+|               | &boxv;       format: memory      &boxv;&boxv;       format: 
memory      &boxv; |
+|               | &boxv;          rows: 1          &boxv;&boxv;          rows: 
1          &boxv; |
+|               | 
&boxur;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxul;&boxur;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxh;&boxul;
 |
+|               |                                                            |
++---------------+------------------------------------------------------------+
+</code></pre>
+<p>Example of the <code>EXPLAIN FORMAT INDENT</code> output for the same 
query</p>
+<pre><code class="language-sql">&gt; explain format indent select * from t1 
inner join t2 on t1.ti=t2.ti;
++---------------+----------------------------------------------------------------------+
+| plan_type     | plan                                                         
        |
++---------------+----------------------------------------------------------------------+
+| logical_plan  | Inner Join: t1.ti = t2.ti                                    
        |
+|               |   TableScan: t1 projection=[ti]                              
        |
+|               |   TableScan: t2 projection=[ti]                              
        |
+| physical_plan | CoalesceBatchesExec: target_batch_size=8192                  
        |
+|               |   HashJoinExec: mode=CollectLeft, join_type=Inner, 
on=[(ti@0, ti@0)] |
+|               |     DataSourceExec: partitions=1, partition_sizes=[1]        
        |
+|               |     DataSourceExec: partitions=1, partition_sizes=[1]        
        |
+|               |                                                              
        |
++---------------+----------------------------------------------------------------------+
+2 row(s) fetched.
+</code></pre>
+<p>Thanks to <a href="https://github.com/irenjj";>irenjj</a> for the initial 
work in PR <a href="https://github.com/apache/datafusion/pull/14677";>#14677</a>
+and many others for completing the <a 
href="https://github.com/apache/datafusion/issues/14914";>followup epic</a></p>
+<h3>SQL <code>VARCHAR</code> defaults to Utf8View</h3>
+<p>In previous releases when a column was created in SQL the column would be 
mapped to the <a 
href="https://docs.rs/arrow/latest/arrow/datatypes/enum.DataType.html#variant.Utf8";>Utf8
 Arrow data type</a>. In this release
+the SQL <code>varchar</code> columns will be mapped to the <a 
href="https://docs.rs/arrow/latest/arrow/datatypes/enum.DataType.html#variant.Utf8View";>Utf8View
 arrow data type</a> by default, which is a more efficient representation of 
UTF-8 strings in Arrow.</p>
+<pre><code class="language-sql">create table foo(x varchar);
+0 row(s) fetched.
+
+&gt; describe foo;
++-------------+-----------+-------------+
+| column_name | data_type | is_nullable |
++-------------+-----------+-------------+
+| x           | Utf8View  | YES         |
++-------------+-----------+-------------+
+</code></pre>
+<p>Previous versions of DataFusion used <code>Utf8View</code> when reading 
parquet files and it is faster in most cases.</p>
+<p>Thanks to <a href="https://github.com/zhuqi-lucas";>zhuqi-lucas</a> for PR 
<a href="https://github.com/apache/datafusion/pull/15104";>#15104</a></p>
+<h3>Context propagation in spawned tasks (for tracing, logging, etc.)</h3>
+<p>This release introduces an API for propagating user-defined context (such 
as tracing spans,
+logging, or metrics) across thread boundaries without depending on any 
specific instrumentation library.
+You can use the <a 
href="https://docs.rs/datafusion/latest/datafusion/common/runtime/trait.JoinSetTracer.html";>JoinSetTracer</a>
 API to instrument DataFusion plans with your own tracing or logging libraries, 
or
+use pre-integrated community crates such as the <a 
href="https://github.com/datafusion-contrib/datafusion-tracing";>datafusion-tracing</a>
 crate.</p>
+<div style="text-align: center;">
+<a href="https://github.com/datafusion-contrib/datafusion-tracing";>
+<img alt="DataFusion telemetry project logo" class="img-responsive" 
src="/blog/images/datafusion-47.0.0/datafusion-telemetry.png" width="50%"/>
+</a>
+</div>
+<p>Previously, tasks spawned on new threads &mdash; such as those performing
+repartitioning or Parquet file reads &mdash; could lose thread-local context, 
which is
+often used in instrumentation libraries. A full example of how to use this new
+API is available in the <a 
href="https://github.com/apache/datafusion/blob/main/datafusion-examples/examples/tracing.rs";>DataFusion
 examples</a>, and a simple example is shown below.</p>
+<pre><code class="language-Rust">/// Models a simple tracer. Calling 
`in_current_span()` and `in_scope()` saves thread-specific state
+/// for the current span and must be called at the start of each new task or 
thread.
+struct SpanTracer;
+
+/// Implements the `JoinSetTracer` trait so we can inject instrumentation
+/// for both async futures and blocking closures.
+impl JoinSetTracer for SpanTracer {
+    /// Instruments a boxed future to run in the current span. The future's
+    /// return type is erased to `Box&lt;dyn Any + Send&gt;`, which we simply
+    /// run inside the `Span::current()` context.
+    fn trace_future(
+        &amp;self,
+        fut: BoxFuture&lt;'static, Box&lt;dyn Any + Send&gt;&gt;,
+    ) -&gt; BoxFuture&lt;'static, Box&lt;dyn Any + Send&gt;&gt; {
+        // Ensures any thread-local context is set in this future 
+        fut.in_current_span().boxed()
+    }
+
+    /// Instruments a boxed blocking closure by running it inside the
+    /// `Span::current()` context.
+    fn trace_block(
+        &amp;self,
+        f: Box&lt;dyn FnOnce() -&gt; Box&lt;dyn Any + Send&gt; + Send&gt;,
+    ) -&gt; Box&lt;dyn FnOnce() -&gt; Box&lt;dyn Any + Send&gt; + Send&gt; {
+        let span = Span::current();
+        // Ensures any thread-local context is set for this closure
+        Box::new(move || span.in_scope(f))
+    }
+}
+
+...
+set_join_set_tracer(&amp;SpanTracer).expect("Failed to set tracer");
+...
+</code></pre>
+<p>Thanks to <a href="https://github.com/geoffreyclaude";>geoffreyclaude</a> 
for PR <a 
href="https://github.com/apache/datafusion/issues/14914";>#14914</a></p>
+<h2>Upgrade Guide and Changelog</h2>
+<p>Upgrading to 47.0.0 should be straightforward for most users, but do review
+the <a 
href="https://datafusion.apache.org/library-user-guide/upgrading.html#datafusion-47-0-0";>Upgrade
 Guide for DataFusion 47.0.0</a> for detailed
+steps and code changes. The upgrade guide covers the breaking changes 
mentioned above and provides code snippets to help with the
+transition. For a comprehensive list of all changes, please refer to the <a 
href="https://github.com/apache/datafusion/blob/branch-47/dev/changelog/47.0.0.md";>changelog</a>
 for 47.0.0. The changelog
+enumerates every merged PR in this release, including many smaller fixes and 
improvements that we couldn&rsquo;t cover in this post.</p>
+<h2>Get Involved</h2>
+<p>Apache DataFusion is an open-source project, and we welcome involvement 
from anyone interested. Now is a great time to
+take 47.0.0 for a spin: try it out on your workloads, and let us know if you 
encounter any issues or have suggestions.
+You can report bugs or request features on our GitHub issue tracker, or better 
yet, submit a pull request. Join our
+community discussions &ndash; whether you have questions, want to share how 
you&rsquo;re using DataFusion, or are looking to
+contribute, we&rsquo;d love to hear from you. A list of open issues suitable 
for beginners
+is <a 
href="https://github.com/apache/arrow-datafusion/issues?q=is%3Aissue+is%3Aopen+label%3A%22good+first+issue%22";>here</a>
 and you
+can find how to reach us on the <a 
href="https://datafusion.apache.org/contributor-guide/communication.html";>communication
 doc</a>.</p>
+<p>Happy querying!</p>
+        </div>
+      </div>
+    </div>    
+    <!-- footer -->
+    <div class="row">
+      <div class="large-12 medium-12 columns">
+        <p style="font-style: italic; font-size: 0.8rem; text-align: center;">
+          Copyright 2025, <a href="https://www.apache.org/";>The Apache 
Software Foundation</a>, Licensed under the <a 
href="https://www.apache.org/licenses/LICENSE-2.0";>Apache License, Version 
2.0</a>.<br/>
+          Apache&reg; and the Apache feather logo are trademarks of The Apache 
Software Foundation.
+        </p>
+      </div>
+    </div>
+    <script src="/blog/js/bootstrap.bundle.min.js"></script>  </main>
+  </body>
+</html>
diff --git a/output/author/pmc.html b/output/author/pmc.html
index c0c4ee7..50956a5 100644
--- a/output/author/pmc.html
+++ b/output/author/pmc.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <html lang="en">
 <head>
-        <title>Apache DataFusion Blog - Articles by pmc</title>
+        <title>Apache DataFusion Blog - Articles by PMC</title>
         <meta charset="utf-8" />
         <meta name="generator" content="Pelican" />
         <link href="https://datafusion.apache.org/blog/feed.xml"; 
type="application/rss+xml" rel="alternate" title="Apache DataFusion Blog RSS 
Feed" />
@@ -17,9 +17,39 @@
             <li><a 
href="https://datafusion.apache.org/blog/category/blog.html";>blog</a></li>
         </ul></nav><!-- /#menu -->
 <section id="content">
-<h2>Articles by pmc</h2>
+<h2>Articles by PMC</h2>
 
 <ol id="post-list">
+        <li><article class="hentry">
+                <header> <h2 class="entry-title"><a 
href="https://datafusion.apache.org/blog/2025/07/11/datafusion-47.0.0"; 
rel="bookmark" title="Permalink to Apache DataFusion 47.0.0 Released">Apache 
DataFusion 47.0.0 Released</a></h2> </header>
+                <footer class="post-info">
+                    <time class="published" 
datetime="2025-07-11T00:00:00+00:00"> Fri 11 July 2025 </time>
+                    <address class="vcard author">By
+                        <a class="url fn" 
href="https://datafusion.apache.org/blog/author/pmc.html";>PMC</a>
+                    </address>
+                </footer><!-- /.post-info -->
+                <div class="entry-content"> <!--
+{% comment %}
+Licensed to the Apache Software Foundation (ASF) under one or more
+contributor license agreements.  See the NOTICE file distributed with
+this work for additional information regarding copyright ownership.
+The ASF licenses this file to you under the Apache License, Version 2.0
+(the "License"); you may not use this file except in compliance with
+the License.  You may obtain a copy of the License at
+http://www.apache.org/licenses/LICENSE-2.0
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+{% endcomment %}
+-->
+<!-- see https://github.com/apache/datafusion/issues/16347 for details -->
+<p>We&rsquo;re excited to announce the release of <strong>Apache DataFusion 
47.0.0</strong>! This new version represents a significant
+milestone for the project, packing in a wide range of improvements and fixes. 
You can find the complete details in the
+full <a 
href="https://github.com/apache/datafusion/blob/branch-47/dev/changelog/47.0.0.md";>changelog</a>.
 We&rsquo;ll highlight the most
+important changes below …</p> </div><!-- /.entry-content -->
+        </article></li>
         <li><article class="hentry">
                 <header> <h2 class="entry-title"><a 
href="https://datafusion.apache.org/blog/2025/07/01/datafusion-comet-0.9.0"; 
rel="bookmark" title="Permalink to Apache DataFusion Comet 0.9.0 
Release">Apache DataFusion Comet 0.9.0 Release</a></h2> </header>
                 <footer class="post-info">
diff --git a/output/category/blog.html b/output/category/blog.html
index 76c2759..75adabf 100644
--- a/output/category/blog.html
+++ b/output/category/blog.html
@@ -21,6 +21,36 @@
 <h2>Articles in the blog category</h2>
 
 <ol id="post-list">
+        <li><article class="hentry">
+                <header> <h2 class="entry-title"><a 
href="https://datafusion.apache.org/blog/2025/07/11/datafusion-47.0.0"; 
rel="bookmark" title="Permalink to Apache DataFusion 47.0.0 Released">Apache 
DataFusion 47.0.0 Released</a></h2> </header>
+                <footer class="post-info">
+                    <time class="published" 
datetime="2025-07-11T00:00:00+00:00"> Fri 11 July 2025 </time>
+                    <address class="vcard author">By
+                        <a class="url fn" 
href="https://datafusion.apache.org/blog/author/pmc.html";>PMC</a>
+                    </address>
+                </footer><!-- /.post-info -->
+                <div class="entry-content"> <!--
+{% comment %}
+Licensed to the Apache Software Foundation (ASF) under one or more
+contributor license agreements.  See the NOTICE file distributed with
+this work for additional information regarding copyright ownership.
+The ASF licenses this file to you under the Apache License, Version 2.0
+(the "License"); you may not use this file except in compliance with
+the License.  You may obtain a copy of the License at
+http://www.apache.org/licenses/LICENSE-2.0
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+{% endcomment %}
+-->
+<!-- see https://github.com/apache/datafusion/issues/16347 for details -->
+<p>We&rsquo;re excited to announce the release of <strong>Apache DataFusion 
47.0.0</strong>! This new version represents a significant
+milestone for the project, packing in a wide range of improvements and fixes. 
You can find the complete details in the
+full <a 
href="https://github.com/apache/datafusion/blob/branch-47/dev/changelog/47.0.0.md";>changelog</a>.
 We&rsquo;ll highlight the most
+important changes below …</p> </div><!-- /.entry-content -->
+        </article></li>
         <li><article class="hentry">
                 <header> <h2 class="entry-title"><a 
href="https://datafusion.apache.org/blog/2025/07/01/datafusion-comet-0.9.0"; 
rel="bookmark" title="Permalink to Apache DataFusion Comet 0.9.0 
Release">Apache DataFusion Comet 0.9.0 Release</a></h2> </header>
                 <footer class="post-info">
diff --git a/output/feed.xml b/output/feed.xml
index 72bdc22..fc01389 100644
--- a/output/feed.xml
+++ b/output/feed.xml
@@ -1,5 +1,25 @@
 <?xml version="1.0" encoding="utf-8"?>
-<rss version="2.0"><channel><title>Apache DataFusion 
Blog</title><link>https://datafusion.apache.org/blog/</link><description></description><lastBuildDate>Tue,
 01 Jul 2025 00:00:00 +0000</lastBuildDate><item><title>Apache DataFusion Comet 
0.9.0 
Release</title><link>https://datafusion.apache.org/blog/2025/07/01/datafusion-comet-0.9.0</link><description>&lt;!--
+<rss version="2.0"><channel><title>Apache DataFusion 
Blog</title><link>https://datafusion.apache.org/blog/</link><description></description><lastBuildDate>Fri,
 11 Jul 2025 00:00:00 +0000</lastBuildDate><item><title>Apache DataFusion 
47.0.0 
Released</title><link>https://datafusion.apache.org/blog/2025/07/11/datafusion-47.0.0</link><description>&lt;!--
+{% comment %}
+Licensed to the Apache Software Foundation (ASF) under one or more
+contributor license agreements.  See the NOTICE file distributed with
+this work for additional information regarding copyright ownership.
+The ASF licenses this file to you under the Apache License, Version 2.0
+(the "License"); you may not use this file except in compliance with
+the License.  You may obtain a copy of the License at
+http://www.apache.org/licenses/LICENSE-2.0
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+{% endcomment %}
+--&gt;
+&lt;!-- see https://github.com/apache/datafusion/issues/16347 for details 
--&gt;
+&lt;p&gt;We&amp;rsquo;re excited to announce the release of 
&lt;strong&gt;Apache DataFusion 47.0.0&lt;/strong&gt;! This new version 
represents a significant
+milestone for the project, packing in a wide range of improvements and fixes. 
You can find the complete details in the
+full &lt;a 
href="https://github.com/apache/datafusion/blob/branch-47/dev/changelog/47.0.0.md"&gt;changelog&lt;/a&gt;.
 We&amp;rsquo;ll highlight the most
+important changes below …&lt;/p&gt;</description><dc:creator 
xmlns:dc="http://purl.org/dc/elements/1.1/";>PMC</dc:creator><pubDate>Fri, 11 
Jul 2025 00:00:00 +0000</pubDate><guid 
isPermaLink="false">tag:datafusion.apache.org,2025-07-11:/blog/2025/07/11/datafusion-47.0.0</guid><category>blog</category></item><item><title>Apache
 DataFusion Comet 0.9.0 
Release</title><link>https://datafusion.apache.org/blog/2025/07/01/datafusion-comet-0.9.0</link><description>&lt;!--
 {% comment %}
 Licensed to the Apache Software Foundation (ASF) under one or more
 contributor license agreements.  See the NOTICE file distributed with
diff --git a/output/feeds/all-en.atom.xml b/output/feeds/all-en.atom.xml
index 8cc1b8a..7412539 100644
--- a/output/feeds/all-en.atom.xml
+++ b/output/feeds/all-en.atom.xml
@@ -1,5 +1,245 @@
 <?xml version="1.0" encoding="utf-8"?>
-<feed xmlns="http://www.w3.org/2005/Atom";><title>Apache DataFusion 
Blog</title><link href="https://datafusion.apache.org/blog/"; 
rel="alternate"></link><link 
href="https://datafusion.apache.org/blog/feeds/all-en.atom.xml"; 
rel="self"></link><id>https://datafusion.apache.org/blog/</id><updated>2025-07-01T00:00:00+00:00</updated><subtitle></subtitle><entry><title>Apache
 DataFusion Comet 0.9.0 Release</title><link 
href="https://datafusion.apache.org/blog/2025/07/01/datafusion-comet-0.9.0"; rel 
[...]
+<feed xmlns="http://www.w3.org/2005/Atom";><title>Apache DataFusion 
Blog</title><link href="https://datafusion.apache.org/blog/"; 
rel="alternate"></link><link 
href="https://datafusion.apache.org/blog/feeds/all-en.atom.xml"; 
rel="self"></link><id>https://datafusion.apache.org/blog/</id><updated>2025-07-11T00:00:00+00:00</updated><subtitle></subtitle><entry><title>Apache
 DataFusion 47.0.0 Released</title><link 
href="https://datafusion.apache.org/blog/2025/07/11/datafusion-47.0.0"; 
rel="alterna [...]
+{% comment %}
+Licensed to the Apache Software Foundation (ASF) under one or more
+contributor license agreements.  See the NOTICE file distributed with
+this work for additional information regarding copyright ownership.
+The ASF licenses this file to you under the Apache License, Version 2.0
+(the "License"); you may not use this file except in compliance with
+the License.  You may obtain a copy of the License at
+http://www.apache.org/licenses/LICENSE-2.0
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+{% endcomment %}
+--&gt;
+&lt;!-- see https://github.com/apache/datafusion/issues/16347 for details 
--&gt;
+&lt;p&gt;We&amp;rsquo;re excited to announce the release of 
&lt;strong&gt;Apache DataFusion 47.0.0&lt;/strong&gt;! This new version 
represents a significant
+milestone for the project, packing in a wide range of improvements and fixes. 
You can find the complete details in the
+full &lt;a 
href="https://github.com/apache/datafusion/blob/branch-47/dev/changelog/47.0.0.md"&gt;changelog&lt;/a&gt;.
 We&amp;rsquo;ll highlight the most
+important changes below …&lt;/p&gt;</summary><content type="html">&lt;!--
+{% comment %}
+Licensed to the Apache Software Foundation (ASF) under one or more
+contributor license agreements.  See the NOTICE file distributed with
+this work for additional information regarding copyright ownership.
+The ASF licenses this file to you under the Apache License, Version 2.0
+(the "License"); you may not use this file except in compliance with
+the License.  You may obtain a copy of the License at
+http://www.apache.org/licenses/LICENSE-2.0
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+{% endcomment %}
+--&gt;
+&lt;!-- see https://github.com/apache/datafusion/issues/16347 for details 
--&gt;
+&lt;p&gt;We&amp;rsquo;re excited to announce the release of 
&lt;strong&gt;Apache DataFusion 47.0.0&lt;/strong&gt;! This new version 
represents a significant
+milestone for the project, packing in a wide range of improvements and fixes. 
You can find the complete details in the
+full &lt;a 
href="https://github.com/apache/datafusion/blob/branch-47/dev/changelog/47.0.0.md"&gt;changelog&lt;/a&gt;.
 We&amp;rsquo;ll highlight the most
+important changes below and guide you through upgrading.&lt;/p&gt;
+&lt;p&gt;Note that DataFusion 47.0.0 was released in April 2025, but we are 
only now publishing the blog post due to 
+limited bandwidth in the DataFusion community. We apologize for the delay and 
encourage you to come help us
+accelerate the next release and announcements 
+by &lt;a 
href="https://datafusion.apache.org/contributor-guide/communication.html"&gt;joining
 the community&lt;/a&gt;  🎣.&lt;/p&gt;
+&lt;h2&gt;Breaking Changes&lt;/h2&gt;
+&lt;p&gt;DataFusion 47.0.0 brings a few &lt;strong&gt;breaking 
changes&lt;/strong&gt; that may require adjustments to your code as described in
+the &lt;a 
href="https://datafusion.apache.org/library-user-guide/upgrading.html#datafusion-47-0-0"&gt;Upgrade
 Guide&lt;/a&gt;. Here are some notable ones:&lt;/p&gt;
+&lt;ul&gt;
+&lt;li&gt;&lt;a 
href="https://github.com/apache/datafusion/pull/15466"&gt;Upgrades to arrow-rs 
and arrow-parquet 55.0.0 and object_store 0.12.0&lt;/a&gt;:
+  Several APIs changed in the underlying &lt;code&gt;arrow&lt;/code&gt;, 
&lt;code&gt;parquet&lt;/code&gt; and &lt;code&gt;object_store&lt;/code&gt; 
libraries to use a &lt;code&gt;u64&lt;/code&gt; instead of usize to better 
support
+  WASM. This requires converting from &lt;code&gt;usize&lt;/code&gt; to 
&lt;code&gt;u64&lt;/code&gt; occasionally as well as changes to ObjectStore 
implementations such as&lt;/li&gt;
+&lt;/ul&gt;
+&lt;pre&gt;&lt;code class="language-Rust"&gt;impl ObjectStore {
+    ...
+
+    // The range is now a u64 instead of usize
+    async fn get_range(&amp;amp;self, location: &amp;amp;Path, range: 
Range&amp;lt;u64&amp;gt;) -&amp;gt; ObjectStoreResult&amp;lt;Bytes&amp;gt; {
+        self.inner.get_range(location, range).await
+    }
+
+    ...
+
+    // the lifetime is now 'static instead of '_ (meaning the captured closure 
can't contain references)
+    // (this also applies to list_with_offset)
+    fn list(&amp;amp;self, prefix: Option&amp;lt;&amp;amp;Path&amp;gt;) 
-&amp;gt; BoxStream&amp;lt;'static, 
ObjectStoreResult&amp;lt;ObjectMeta&amp;gt;&amp;gt; {
+        self.inner.list(prefix)
+    }
+}
+&lt;/code&gt;&lt;/pre&gt;
+&lt;ul&gt;
+&lt;li&gt;&lt;a 
href="https://github.com/apache/datafusion/issues/14914"&gt;DisplayFormatType::TreeRender&lt;/a&gt;:
+  Implementations of &lt;code&gt;ExecutionPlan&lt;/code&gt; must also provide 
a description in the &lt;code&gt;DisplayFormatType::TreeRender&lt;/code&gt; 
format to
+  provide support for the new &lt;a 
href="https://datafusion.apache.org/user-guide/sql/explain.html#tree-format-default"&gt;tree
 style explains&lt;/a&gt;.
+  This can be the same as the existing 
&lt;code&gt;DisplayFormatType::Default&lt;/code&gt;.&lt;/li&gt;
+&lt;/ul&gt;
+&lt;h2&gt;Performance Improvements&lt;/h2&gt;
+&lt;p&gt;DataFusion 47.0.0 comes with numerous performance enhancements across 
the board. Here are some of the noteworthy
+optimizations in this release:&lt;/p&gt;
+&lt;ul&gt;
+&lt;li&gt;
+&lt;p&gt;&lt;strong&gt;&lt;code&gt;FIRST_VALUE&lt;/code&gt; and 
&lt;code&gt;LAST_VALUE&lt;/code&gt;:&lt;/strong&gt; 
&lt;code&gt;FIRST_VALUE&lt;/code&gt; and &lt;code&gt;LAST_VALUE&lt;/code&gt; 
functions execute much faster for data with high cardinality such as those with 
many groups or partitions. DataFusion 47.0.0 executes the following in 
&lt;strong&gt;7 seconds&lt;/strong&gt; compared to &lt;strong&gt;36 
seconds&lt;/strong&gt; in DataFusion 46.0.0: &lt;code&gt;select id2, id4, 
first_ [...]
+  and &lt;a 
href="https://github.com/apache/datafusion/pull/15542"&gt;#15542&lt;/a&gt; by 
&lt;a href="https://github.com/UBarney"&gt;UBarney&lt;/a&gt;).&lt;/p&gt;
+&lt;/li&gt;
+&lt;li&gt;
+&lt;p&gt;&lt;strong&gt;&lt;code&gt;MIN&lt;/code&gt;, 
&lt;code&gt;MAX&lt;/code&gt; and &lt;code&gt;AVG&lt;/code&gt; for 
Durations:&lt;/strong&gt;  DataFusion executes aggregate queries up to 2.5x 
faster when they include &lt;code&gt;MIN&lt;/code&gt;, 
&lt;code&gt;MAX&lt;/code&gt; and &lt;code&gt;AVG&lt;/code&gt; on 
&lt;code&gt;Duration&lt;/code&gt; columns. 
+  (PRs &lt;a 
href="https://github.com/apache/datafusion/pull/15322"&gt;#15322&lt;/a&gt; and 
&lt;a href="https://github.com/apache/datafusion/pull/15748"&gt;#15748&lt;/a&gt;
+  by &lt;a 
href="https://github.com/shruti2522"&gt;shruti2522&lt;/a&gt;).&lt;/p&gt;
+&lt;/li&gt;
+&lt;li&gt;
+&lt;p&gt;&lt;strong&gt;Short circuit evaluation for 
&lt;code&gt;AND&lt;/code&gt; and &lt;code&gt;OR&lt;/code&gt;:&lt;/strong&gt; 
DataFusion now eagerly skips the evaluation of
+  the right operand if the left is known to be false 
(&lt;code&gt;AND&lt;/code&gt;) or true (&lt;code&gt;OR&lt;/code&gt;) in certain 
cases. For complex predicates, such as those with many 
&lt;code&gt;LIKE&lt;/code&gt; or &lt;code&gt;CASE&lt;/code&gt; expressions, 
this optimization results in
+  &lt;a 
href="https://github.com/apache/datafusion/issues/11212#issuecomment-2753584617"&gt;significant
 performance improvements&lt;/a&gt; (up to 100x in extreme cases).
+  (PRs &lt;a 
href="https://github.com/apache/datafusion/pull/15462"&gt;#15462&lt;/a&gt; and 
&lt;a href="https://github.com/apache/datafusion/pull/15694"&gt;#15694&lt;/a&gt;
+  by &lt;a 
href="https://github.com/acking-you"&gt;acking-you&lt;/a&gt;).&lt;/p&gt;
+&lt;/li&gt;
+&lt;li&gt;
+&lt;p&gt;&lt;strong&gt;TopK optimization for partially sorted 
input:&lt;/strong&gt; Previous versions of DataFusion implemented early 
termination
+  optimization (TopK) for fully sorted data. DataFusion 47.0.0 extends the 
optimization for partially sorted data, which is common in many real-world 
datasets, such as time-series data sorted by day but not within each day. 
+  (PR &lt;a 
href="https://github.com/apache/datafusion/pull/15563"&gt;#15563&lt;/a&gt; by 
&lt;a 
href="https://github.com/geoffreyclaude"&gt;geoffreyclaude&lt;/a&gt;).&lt;/p&gt;
+&lt;/li&gt;
+&lt;li&gt;
+&lt;p&gt;&lt;strong&gt;Disable re-validation of spilled files:&lt;/strong&gt; 
DataFusion no longer does unnecessary re-validation of temporary spill files. 
The validation is unnecessary and expensive as the data is known to be valid 
when it was written out
+  (PR &lt;a 
href="https://github.com/apache/datafusion/pull/15454"&gt;#15454&lt;/a&gt; by 
&lt;a href="https://github.com/zebsme"&gt;zebsme&lt;/a&gt;).&lt;/p&gt;
+&lt;/li&gt;
+&lt;/ul&gt;
+&lt;h2&gt;Highlighted New Features&lt;/h2&gt;
+&lt;h3&gt;Tree style explains&lt;/h3&gt;
+&lt;p&gt;In previous releases the &lt;a 
href="https://datafusion.apache.org/user-guide/sql/explain.html"&gt;EXPLAIN 
statement&lt;/a&gt; results in a formatted table
+which is succinct and contains important details for implementers, but was 
often hard to read
+especially with queries that included joins or unions having multiple 
children.&lt;/p&gt;
+&lt;p&gt;DataFusion 47.0.0 includes the new &lt;code&gt;EXPLAIN FORMAT 
TREE&lt;/code&gt; (default in
+&lt;code&gt;datafusion-cli&lt;/code&gt;) rendered in a visual tree style that 
is much easier to quickly
+understand.&lt;/p&gt;
+&lt;!-- SQL setup 
+create table t1(ti int) as values (1), (2), (3);
+create table t2(ti int) as values (1), (2), (3);
+--&gt;
+&lt;p&gt;Example of the new explain output:&lt;/p&gt;
+&lt;pre&gt;&lt;code class="language-sql"&gt;&amp;gt; explain select * from t1 
inner join t2 on t1.ti=t2.ti;
++---------------+------------------------------------------------------------+
+| plan_type     | plan                                                       |
++---------------+------------------------------------------------------------+
+| physical_plan | 
&amp;boxdr;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxdl;
                              |
+|               | &amp;boxv;    CoalesceBatchesExec    &amp;boxv;              
                |
+|               | &amp;boxv;    --------------------   &amp;boxv;              
                |
+|               | &amp;boxv;     target_batch_size:    &amp;boxv;              
                |
+|               | &amp;boxv;            8192           &amp;boxv;              
                |
+|               | 
&amp;boxur;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxhd;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxul;
                              |
+|               | 
&amp;boxdr;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxhu;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxdl;
                              |
+|               | &amp;boxv;        HashJoinExec       &amp;boxv;              
                |
+|               | &amp;boxv;    --------------------   
&amp;boxvr;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxdl;
               |
+|               | &amp;boxv;       on: (ti = ti)       &amp;boxv;              
&amp;boxv;               |
+|               | 
&amp;boxur;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxhd;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxul;
              &amp;boxv;               |
+|               | 
&amp;boxdr;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxhu;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxdl;&amp;boxdr;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxhu;&amp;boxh;&amp;boxh;&amp;boxh
 [...]
+|               | &amp;boxv;       DataSourceExec      &amp;boxv;&amp;boxv;    
   DataSourceExec      &amp;boxv; |
+|               | &amp;boxv;    --------------------   &amp;boxv;&amp;boxv;    
--------------------   &amp;boxv; |
+|               | &amp;boxv;         bytes: 112        &amp;boxv;&amp;boxv;    
     bytes: 112        &amp;boxv; |
+|               | &amp;boxv;       format: memory      &amp;boxv;&amp;boxv;    
   format: memory      &amp;boxv; |
+|               | &amp;boxv;          rows: 1          &amp;boxv;&amp;boxv;    
      rows: 1          &amp;boxv; |
+|               | 
&amp;boxur;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxul;&amp;boxur;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&
 [...]
+|               |                                                            |
++---------------+------------------------------------------------------------+
+&lt;/code&gt;&lt;/pre&gt;
+&lt;p&gt;Example of the &lt;code&gt;EXPLAIN FORMAT INDENT&lt;/code&gt; output 
for the same query&lt;/p&gt;
+&lt;pre&gt;&lt;code class="language-sql"&gt;&amp;gt; explain format indent 
select * from t1 inner join t2 on t1.ti=t2.ti;
++---------------+----------------------------------------------------------------------+
+| plan_type     | plan                                                         
        |
++---------------+----------------------------------------------------------------------+
+| logical_plan  | Inner Join: t1.ti = t2.ti                                    
        |
+|               |   TableScan: t1 projection=[ti]                              
        |
+|               |   TableScan: t2 projection=[ti]                              
        |
+| physical_plan | CoalesceBatchesExec: target_batch_size=8192                  
        |
+|               |   HashJoinExec: mode=CollectLeft, join_type=Inner, 
on=[(ti@0, ti@0)] |
+|               |     DataSourceExec: partitions=1, partition_sizes=[1]        
        |
+|               |     DataSourceExec: partitions=1, partition_sizes=[1]        
        |
+|               |                                                              
        |
++---------------+----------------------------------------------------------------------+
+2 row(s) fetched.
+&lt;/code&gt;&lt;/pre&gt;
+&lt;p&gt;Thanks to &lt;a href="https://github.com/irenjj"&gt;irenjj&lt;/a&gt; 
for the initial work in PR &lt;a 
href="https://github.com/apache/datafusion/pull/14677"&gt;#14677&lt;/a&gt;
+and many others for completing the &lt;a 
href="https://github.com/apache/datafusion/issues/14914"&gt;followup 
epic&lt;/a&gt;&lt;/p&gt;
+&lt;h3&gt;SQL &lt;code&gt;VARCHAR&lt;/code&gt; defaults to Utf8View&lt;/h3&gt;
+&lt;p&gt;In previous releases when a column was created in SQL the column 
would be mapped to the &lt;a 
href="https://docs.rs/arrow/latest/arrow/datatypes/enum.DataType.html#variant.Utf8"&gt;Utf8
 Arrow data type&lt;/a&gt;. In this release
+the SQL &lt;code&gt;varchar&lt;/code&gt; columns will be mapped to the &lt;a 
href="https://docs.rs/arrow/latest/arrow/datatypes/enum.DataType.html#variant.Utf8View"&gt;Utf8View
 arrow data type&lt;/a&gt; by default, which is a more efficient representation 
of UTF-8 strings in Arrow.&lt;/p&gt;
+&lt;pre&gt;&lt;code class="language-sql"&gt;create table foo(x varchar);
+0 row(s) fetched.
+
+&amp;gt; describe foo;
++-------------+-----------+-------------+
+| column_name | data_type | is_nullable |
++-------------+-----------+-------------+
+| x           | Utf8View  | YES         |
++-------------+-----------+-------------+
+&lt;/code&gt;&lt;/pre&gt;
+&lt;p&gt;Previous versions of DataFusion used 
&lt;code&gt;Utf8View&lt;/code&gt; when reading parquet files and it is faster 
in most cases.&lt;/p&gt;
+&lt;p&gt;Thanks to &lt;a 
href="https://github.com/zhuqi-lucas"&gt;zhuqi-lucas&lt;/a&gt; for PR &lt;a 
href="https://github.com/apache/datafusion/pull/15104"&gt;#15104&lt;/a&gt;&lt;/p&gt;
+&lt;h3&gt;Context propagation in spawned tasks (for tracing, logging, 
etc.)&lt;/h3&gt;
+&lt;p&gt;This release introduces an API for propagating user-defined context 
(such as tracing spans,
+logging, or metrics) across thread boundaries without depending on any 
specific instrumentation library.
+You can use the &lt;a 
href="https://docs.rs/datafusion/latest/datafusion/common/runtime/trait.JoinSetTracer.html"&gt;JoinSetTracer&lt;/a&gt;
 API to instrument DataFusion plans with your own tracing or logging libraries, 
or
+use pre-integrated community crates such as the &lt;a 
href="https://github.com/datafusion-contrib/datafusion-tracing"&gt;datafusion-tracing&lt;/a&gt;
 crate.&lt;/p&gt;
+&lt;div style="text-align: center;"&gt;
+&lt;a href="https://github.com/datafusion-contrib/datafusion-tracing"&gt;
+&lt;img alt="DataFusion telemetry project logo" class="img-responsive" 
src="/blog/images/datafusion-47.0.0/datafusion-telemetry.png" width="50%"/&gt;
+&lt;/a&gt;
+&lt;/div&gt;
+&lt;p&gt;Previously, tasks spawned on new threads &amp;mdash; such as those 
performing
+repartitioning or Parquet file reads &amp;mdash; could lose thread-local 
context, which is
+often used in instrumentation libraries. A full example of how to use this new
+API is available in the &lt;a 
href="https://github.com/apache/datafusion/blob/main/datafusion-examples/examples/tracing.rs"&gt;DataFusion
 examples&lt;/a&gt;, and a simple example is shown below.&lt;/p&gt;
+&lt;pre&gt;&lt;code class="language-Rust"&gt;/// Models a simple tracer. 
Calling `in_current_span()` and `in_scope()` saves thread-specific state
+/// for the current span and must be called at the start of each new task or 
thread.
+struct SpanTracer;
+
+/// Implements the `JoinSetTracer` trait so we can inject instrumentation
+/// for both async futures and blocking closures.
+impl JoinSetTracer for SpanTracer {
+    /// Instruments a boxed future to run in the current span. The future's
+    /// return type is erased to `Box&amp;lt;dyn Any + Send&amp;gt;`, which we 
simply
+    /// run inside the `Span::current()` context.
+    fn trace_future(
+        &amp;amp;self,
+        fut: BoxFuture&amp;lt;'static, Box&amp;lt;dyn Any + 
Send&amp;gt;&amp;gt;,
+    ) -&amp;gt; BoxFuture&amp;lt;'static, Box&amp;lt;dyn Any + 
Send&amp;gt;&amp;gt; {
+        // Ensures any thread-local context is set in this future 
+        fut.in_current_span().boxed()
+    }
+
+    /// Instruments a boxed blocking closure by running it inside the
+    /// `Span::current()` context.
+    fn trace_block(
+        &amp;amp;self,
+        f: Box&amp;lt;dyn FnOnce() -&amp;gt; Box&amp;lt;dyn Any + Send&amp;gt; 
+ Send&amp;gt;,
+    ) -&amp;gt; Box&amp;lt;dyn FnOnce() -&amp;gt; Box&amp;lt;dyn Any + 
Send&amp;gt; + Send&amp;gt; {
+        let span = Span::current();
+        // Ensures any thread-local context is set for this closure
+        Box::new(move || span.in_scope(f))
+    }
+}
+
+...
+set_join_set_tracer(&amp;amp;SpanTracer).expect("Failed to set tracer");
+...
+&lt;/code&gt;&lt;/pre&gt;
+&lt;p&gt;Thanks to &lt;a 
href="https://github.com/geoffreyclaude"&gt;geoffreyclaude&lt;/a&gt; for PR 
&lt;a 
href="https://github.com/apache/datafusion/issues/14914"&gt;#14914&lt;/a&gt;&lt;/p&gt;
+&lt;h2&gt;Upgrade Guide and Changelog&lt;/h2&gt;
+&lt;p&gt;Upgrading to 47.0.0 should be straightforward for most users, but do 
review
+the &lt;a 
href="https://datafusion.apache.org/library-user-guide/upgrading.html#datafusion-47-0-0"&gt;Upgrade
 Guide for DataFusion 47.0.0&lt;/a&gt; for detailed
+steps and code changes. The upgrade guide covers the breaking changes 
mentioned above and provides code snippets to help with the
+transition. For a comprehensive list of all changes, please refer to the &lt;a 
href="https://github.com/apache/datafusion/blob/branch-47/dev/changelog/47.0.0.md"&gt;changelog&lt;/a&gt;
 for 47.0.0. The changelog
+enumerates every merged PR in this release, including many smaller fixes and 
improvements that we couldn&amp;rsquo;t cover in this post.&lt;/p&gt;
+&lt;h2&gt;Get Involved&lt;/h2&gt;
+&lt;p&gt;Apache DataFusion is an open-source project, and we welcome 
involvement from anyone interested. Now is a great time to
+take 47.0.0 for a spin: try it out on your workloads, and let us know if you 
encounter any issues or have suggestions.
+You can report bugs or request features on our GitHub issue tracker, or better 
yet, submit a pull request. Join our
+community discussions &amp;ndash; whether you have questions, want to share 
how you&amp;rsquo;re using DataFusion, or are looking to
+contribute, we&amp;rsquo;d love to hear from you. A list of open issues 
suitable for beginners
+is &lt;a 
href="https://github.com/apache/arrow-datafusion/issues?q=is%3Aissue+is%3Aopen+label%3A%22good+first+issue%22"&gt;here&lt;/a&gt;
 and you
+can find how to reach us on the &lt;a 
href="https://datafusion.apache.org/contributor-guide/communication.html"&gt;communication
 doc&lt;/a&gt;.&lt;/p&gt;
+&lt;p&gt;Happy querying!&lt;/p&gt;</content><category 
term="blog"></category></entry><entry><title>Apache DataFusion Comet 0.9.0 
Release</title><link 
href="https://datafusion.apache.org/blog/2025/07/01/datafusion-comet-0.9.0"; 
rel="alternate"></link><published>2025-07-01T00:00:00+00:00</published><updated>2025-07-01T00:00:00+00:00</updated><author><name>pmc</name></author><id>tag:datafusion.apache.org,2025-07-01:/blog/2025/07/01/datafusion-comet-0.9.0</id><summary
 type="html">&lt;!--
 {% comment %}
 Licensed to the Apache Software Foundation (ASF) under one or more
 contributor license agreements.  See the NOTICE file distributed with
diff --git a/output/feeds/blog.atom.xml b/output/feeds/blog.atom.xml
index ca97bcb..e617f43 100644
--- a/output/feeds/blog.atom.xml
+++ b/output/feeds/blog.atom.xml
@@ -1,5 +1,245 @@
 <?xml version="1.0" encoding="utf-8"?>
-<feed xmlns="http://www.w3.org/2005/Atom";><title>Apache DataFusion Blog - 
blog</title><link href="https://datafusion.apache.org/blog/"; 
rel="alternate"></link><link 
href="https://datafusion.apache.org/blog/feeds/blog.atom.xml"; 
rel="self"></link><id>https://datafusion.apache.org/blog/</id><updated>2025-07-01T00:00:00+00:00</updated><subtitle></subtitle><entry><title>Apache
 DataFusion Comet 0.9.0 Release</title><link 
href="https://datafusion.apache.org/blog/2025/07/01/datafusion-comet-0.9.0 [...]
+<feed xmlns="http://www.w3.org/2005/Atom";><title>Apache DataFusion Blog - 
blog</title><link href="https://datafusion.apache.org/blog/"; 
rel="alternate"></link><link 
href="https://datafusion.apache.org/blog/feeds/blog.atom.xml"; 
rel="self"></link><id>https://datafusion.apache.org/blog/</id><updated>2025-07-11T00:00:00+00:00</updated><subtitle></subtitle><entry><title>Apache
 DataFusion 47.0.0 Released</title><link 
href="https://datafusion.apache.org/blog/2025/07/11/datafusion-47.0.0"; rel="al 
[...]
+{% comment %}
+Licensed to the Apache Software Foundation (ASF) under one or more
+contributor license agreements.  See the NOTICE file distributed with
+this work for additional information regarding copyright ownership.
+The ASF licenses this file to you under the Apache License, Version 2.0
+(the "License"); you may not use this file except in compliance with
+the License.  You may obtain a copy of the License at
+http://www.apache.org/licenses/LICENSE-2.0
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+{% endcomment %}
+--&gt;
+&lt;!-- see https://github.com/apache/datafusion/issues/16347 for details 
--&gt;
+&lt;p&gt;We&amp;rsquo;re excited to announce the release of 
&lt;strong&gt;Apache DataFusion 47.0.0&lt;/strong&gt;! This new version 
represents a significant
+milestone for the project, packing in a wide range of improvements and fixes. 
You can find the complete details in the
+full &lt;a 
href="https://github.com/apache/datafusion/blob/branch-47/dev/changelog/47.0.0.md"&gt;changelog&lt;/a&gt;.
 We&amp;rsquo;ll highlight the most
+important changes below …&lt;/p&gt;</summary><content type="html">&lt;!--
+{% comment %}
+Licensed to the Apache Software Foundation (ASF) under one or more
+contributor license agreements.  See the NOTICE file distributed with
+this work for additional information regarding copyright ownership.
+The ASF licenses this file to you under the Apache License, Version 2.0
+(the "License"); you may not use this file except in compliance with
+the License.  You may obtain a copy of the License at
+http://www.apache.org/licenses/LICENSE-2.0
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+{% endcomment %}
+--&gt;
+&lt;!-- see https://github.com/apache/datafusion/issues/16347 for details 
--&gt;
+&lt;p&gt;We&amp;rsquo;re excited to announce the release of 
&lt;strong&gt;Apache DataFusion 47.0.0&lt;/strong&gt;! This new version 
represents a significant
+milestone for the project, packing in a wide range of improvements and fixes. 
You can find the complete details in the
+full &lt;a 
href="https://github.com/apache/datafusion/blob/branch-47/dev/changelog/47.0.0.md"&gt;changelog&lt;/a&gt;.
 We&amp;rsquo;ll highlight the most
+important changes below and guide you through upgrading.&lt;/p&gt;
+&lt;p&gt;Note that DataFusion 47.0.0 was released in April 2025, but we are 
only now publishing the blog post due to 
+limited bandwidth in the DataFusion community. We apologize for the delay and 
encourage you to come help us
+accelerate the next release and announcements 
+by &lt;a 
href="https://datafusion.apache.org/contributor-guide/communication.html"&gt;joining
 the community&lt;/a&gt;  🎣.&lt;/p&gt;
+&lt;h2&gt;Breaking Changes&lt;/h2&gt;
+&lt;p&gt;DataFusion 47.0.0 brings a few &lt;strong&gt;breaking 
changes&lt;/strong&gt; that may require adjustments to your code as described in
+the &lt;a 
href="https://datafusion.apache.org/library-user-guide/upgrading.html#datafusion-47-0-0"&gt;Upgrade
 Guide&lt;/a&gt;. Here are some notable ones:&lt;/p&gt;
+&lt;ul&gt;
+&lt;li&gt;&lt;a 
href="https://github.com/apache/datafusion/pull/15466"&gt;Upgrades to arrow-rs 
and arrow-parquet 55.0.0 and object_store 0.12.0&lt;/a&gt;:
+  Several APIs changed in the underlying &lt;code&gt;arrow&lt;/code&gt;, 
&lt;code&gt;parquet&lt;/code&gt; and &lt;code&gt;object_store&lt;/code&gt; 
libraries to use a &lt;code&gt;u64&lt;/code&gt; instead of usize to better 
support
+  WASM. This requires converting from &lt;code&gt;usize&lt;/code&gt; to 
&lt;code&gt;u64&lt;/code&gt; occasionally as well as changes to ObjectStore 
implementations such as&lt;/li&gt;
+&lt;/ul&gt;
+&lt;pre&gt;&lt;code class="language-Rust"&gt;impl ObjectStore {
+    ...
+
+    // The range is now a u64 instead of usize
+    async fn get_range(&amp;amp;self, location: &amp;amp;Path, range: 
Range&amp;lt;u64&amp;gt;) -&amp;gt; ObjectStoreResult&amp;lt;Bytes&amp;gt; {
+        self.inner.get_range(location, range).await
+    }
+
+    ...
+
+    // the lifetime is now 'static instead of '_ (meaning the captured closure 
can't contain references)
+    // (this also applies to list_with_offset)
+    fn list(&amp;amp;self, prefix: Option&amp;lt;&amp;amp;Path&amp;gt;) 
-&amp;gt; BoxStream&amp;lt;'static, 
ObjectStoreResult&amp;lt;ObjectMeta&amp;gt;&amp;gt; {
+        self.inner.list(prefix)
+    }
+}
+&lt;/code&gt;&lt;/pre&gt;
+&lt;ul&gt;
+&lt;li&gt;&lt;a 
href="https://github.com/apache/datafusion/issues/14914"&gt;DisplayFormatType::TreeRender&lt;/a&gt;:
+  Implementations of &lt;code&gt;ExecutionPlan&lt;/code&gt; must also provide 
a description in the &lt;code&gt;DisplayFormatType::TreeRender&lt;/code&gt; 
format to
+  provide support for the new &lt;a 
href="https://datafusion.apache.org/user-guide/sql/explain.html#tree-format-default"&gt;tree
 style explains&lt;/a&gt;.
+  This can be the same as the existing 
&lt;code&gt;DisplayFormatType::Default&lt;/code&gt;.&lt;/li&gt;
+&lt;/ul&gt;
+&lt;h2&gt;Performance Improvements&lt;/h2&gt;
+&lt;p&gt;DataFusion 47.0.0 comes with numerous performance enhancements across 
the board. Here are some of the noteworthy
+optimizations in this release:&lt;/p&gt;
+&lt;ul&gt;
+&lt;li&gt;
+&lt;p&gt;&lt;strong&gt;&lt;code&gt;FIRST_VALUE&lt;/code&gt; and 
&lt;code&gt;LAST_VALUE&lt;/code&gt;:&lt;/strong&gt; 
&lt;code&gt;FIRST_VALUE&lt;/code&gt; and &lt;code&gt;LAST_VALUE&lt;/code&gt; 
functions execute much faster for data with high cardinality such as those with 
many groups or partitions. DataFusion 47.0.0 executes the following in 
&lt;strong&gt;7 seconds&lt;/strong&gt; compared to &lt;strong&gt;36 
seconds&lt;/strong&gt; in DataFusion 46.0.0: &lt;code&gt;select id2, id4, 
first_ [...]
+  and &lt;a 
href="https://github.com/apache/datafusion/pull/15542"&gt;#15542&lt;/a&gt; by 
&lt;a href="https://github.com/UBarney"&gt;UBarney&lt;/a&gt;).&lt;/p&gt;
+&lt;/li&gt;
+&lt;li&gt;
+&lt;p&gt;&lt;strong&gt;&lt;code&gt;MIN&lt;/code&gt;, 
&lt;code&gt;MAX&lt;/code&gt; and &lt;code&gt;AVG&lt;/code&gt; for 
Durations:&lt;/strong&gt;  DataFusion executes aggregate queries up to 2.5x 
faster when they include &lt;code&gt;MIN&lt;/code&gt;, 
&lt;code&gt;MAX&lt;/code&gt; and &lt;code&gt;AVG&lt;/code&gt; on 
&lt;code&gt;Duration&lt;/code&gt; columns. 
+  (PRs &lt;a 
href="https://github.com/apache/datafusion/pull/15322"&gt;#15322&lt;/a&gt; and 
&lt;a href="https://github.com/apache/datafusion/pull/15748"&gt;#15748&lt;/a&gt;
+  by &lt;a 
href="https://github.com/shruti2522"&gt;shruti2522&lt;/a&gt;).&lt;/p&gt;
+&lt;/li&gt;
+&lt;li&gt;
+&lt;p&gt;&lt;strong&gt;Short circuit evaluation for 
&lt;code&gt;AND&lt;/code&gt; and &lt;code&gt;OR&lt;/code&gt;:&lt;/strong&gt; 
DataFusion now eagerly skips the evaluation of
+  the right operand if the left is known to be false 
(&lt;code&gt;AND&lt;/code&gt;) or true (&lt;code&gt;OR&lt;/code&gt;) in certain 
cases. For complex predicates, such as those with many 
&lt;code&gt;LIKE&lt;/code&gt; or &lt;code&gt;CASE&lt;/code&gt; expressions, 
this optimization results in
+  &lt;a 
href="https://github.com/apache/datafusion/issues/11212#issuecomment-2753584617"&gt;significant
 performance improvements&lt;/a&gt; (up to 100x in extreme cases).
+  (PRs &lt;a 
href="https://github.com/apache/datafusion/pull/15462"&gt;#15462&lt;/a&gt; and 
&lt;a href="https://github.com/apache/datafusion/pull/15694"&gt;#15694&lt;/a&gt;
+  by &lt;a 
href="https://github.com/acking-you"&gt;acking-you&lt;/a&gt;).&lt;/p&gt;
+&lt;/li&gt;
+&lt;li&gt;
+&lt;p&gt;&lt;strong&gt;TopK optimization for partially sorted 
input:&lt;/strong&gt; Previous versions of DataFusion implemented early 
termination
+  optimization (TopK) for fully sorted data. DataFusion 47.0.0 extends the 
optimization for partially sorted data, which is common in many real-world 
datasets, such as time-series data sorted by day but not within each day. 
+  (PR &lt;a 
href="https://github.com/apache/datafusion/pull/15563"&gt;#15563&lt;/a&gt; by 
&lt;a 
href="https://github.com/geoffreyclaude"&gt;geoffreyclaude&lt;/a&gt;).&lt;/p&gt;
+&lt;/li&gt;
+&lt;li&gt;
+&lt;p&gt;&lt;strong&gt;Disable re-validation of spilled files:&lt;/strong&gt; 
DataFusion no longer does unnecessary re-validation of temporary spill files. 
The validation is unnecessary and expensive as the data is known to be valid 
when it was written out
+  (PR &lt;a 
href="https://github.com/apache/datafusion/pull/15454"&gt;#15454&lt;/a&gt; by 
&lt;a href="https://github.com/zebsme"&gt;zebsme&lt;/a&gt;).&lt;/p&gt;
+&lt;/li&gt;
+&lt;/ul&gt;
+&lt;h2&gt;Highlighted New Features&lt;/h2&gt;
+&lt;h3&gt;Tree style explains&lt;/h3&gt;
+&lt;p&gt;In previous releases the &lt;a 
href="https://datafusion.apache.org/user-guide/sql/explain.html"&gt;EXPLAIN 
statement&lt;/a&gt; results in a formatted table
+which is succinct and contains important details for implementers, but was 
often hard to read
+especially with queries that included joins or unions having multiple 
children.&lt;/p&gt;
+&lt;p&gt;DataFusion 47.0.0 includes the new &lt;code&gt;EXPLAIN FORMAT 
TREE&lt;/code&gt; (default in
+&lt;code&gt;datafusion-cli&lt;/code&gt;) rendered in a visual tree style that 
is much easier to quickly
+understand.&lt;/p&gt;
+&lt;!-- SQL setup 
+create table t1(ti int) as values (1), (2), (3);
+create table t2(ti int) as values (1), (2), (3);
+--&gt;
+&lt;p&gt;Example of the new explain output:&lt;/p&gt;
+&lt;pre&gt;&lt;code class="language-sql"&gt;&amp;gt; explain select * from t1 
inner join t2 on t1.ti=t2.ti;
++---------------+------------------------------------------------------------+
+| plan_type     | plan                                                       |
++---------------+------------------------------------------------------------+
+| physical_plan | 
&amp;boxdr;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxdl;
                              |
+|               | &amp;boxv;    CoalesceBatchesExec    &amp;boxv;              
                |
+|               | &amp;boxv;    --------------------   &amp;boxv;              
                |
+|               | &amp;boxv;     target_batch_size:    &amp;boxv;              
                |
+|               | &amp;boxv;            8192           &amp;boxv;              
                |
+|               | 
&amp;boxur;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxhd;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxul;
                              |
+|               | 
&amp;boxdr;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxhu;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxdl;
                              |
+|               | &amp;boxv;        HashJoinExec       &amp;boxv;              
                |
+|               | &amp;boxv;    --------------------   
&amp;boxvr;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxdl;
               |
+|               | &amp;boxv;       on: (ti = ti)       &amp;boxv;              
&amp;boxv;               |
+|               | 
&amp;boxur;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxhd;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxul;
              &amp;boxv;               |
+|               | 
&amp;boxdr;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxhu;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxdl;&amp;boxdr;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxhu;&amp;boxh;&amp;boxh;&amp;boxh
 [...]
+|               | &amp;boxv;       DataSourceExec      &amp;boxv;&amp;boxv;    
   DataSourceExec      &amp;boxv; |
+|               | &amp;boxv;    --------------------   &amp;boxv;&amp;boxv;    
--------------------   &amp;boxv; |
+|               | &amp;boxv;         bytes: 112        &amp;boxv;&amp;boxv;    
     bytes: 112        &amp;boxv; |
+|               | &amp;boxv;       format: memory      &amp;boxv;&amp;boxv;    
   format: memory      &amp;boxv; |
+|               | &amp;boxv;          rows: 1          &amp;boxv;&amp;boxv;    
      rows: 1          &amp;boxv; |
+|               | 
&amp;boxur;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxul;&amp;boxur;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&
 [...]
+|               |                                                            |
++---------------+------------------------------------------------------------+
+&lt;/code&gt;&lt;/pre&gt;
+&lt;p&gt;Example of the &lt;code&gt;EXPLAIN FORMAT INDENT&lt;/code&gt; output 
for the same query&lt;/p&gt;
+&lt;pre&gt;&lt;code class="language-sql"&gt;&amp;gt; explain format indent 
select * from t1 inner join t2 on t1.ti=t2.ti;
++---------------+----------------------------------------------------------------------+
+| plan_type     | plan                                                         
        |
++---------------+----------------------------------------------------------------------+
+| logical_plan  | Inner Join: t1.ti = t2.ti                                    
        |
+|               |   TableScan: t1 projection=[ti]                              
        |
+|               |   TableScan: t2 projection=[ti]                              
        |
+| physical_plan | CoalesceBatchesExec: target_batch_size=8192                  
        |
+|               |   HashJoinExec: mode=CollectLeft, join_type=Inner, 
on=[(ti@0, ti@0)] |
+|               |     DataSourceExec: partitions=1, partition_sizes=[1]        
        |
+|               |     DataSourceExec: partitions=1, partition_sizes=[1]        
        |
+|               |                                                              
        |
++---------------+----------------------------------------------------------------------+
+2 row(s) fetched.
+&lt;/code&gt;&lt;/pre&gt;
+&lt;p&gt;Thanks to &lt;a href="https://github.com/irenjj"&gt;irenjj&lt;/a&gt; 
for the initial work in PR &lt;a 
href="https://github.com/apache/datafusion/pull/14677"&gt;#14677&lt;/a&gt;
+and many others for completing the &lt;a 
href="https://github.com/apache/datafusion/issues/14914"&gt;followup 
epic&lt;/a&gt;&lt;/p&gt;
+&lt;h3&gt;SQL &lt;code&gt;VARCHAR&lt;/code&gt; defaults to Utf8View&lt;/h3&gt;
+&lt;p&gt;In previous releases when a column was created in SQL the column 
would be mapped to the &lt;a 
href="https://docs.rs/arrow/latest/arrow/datatypes/enum.DataType.html#variant.Utf8"&gt;Utf8
 Arrow data type&lt;/a&gt;. In this release
+the SQL &lt;code&gt;varchar&lt;/code&gt; columns will be mapped to the &lt;a 
href="https://docs.rs/arrow/latest/arrow/datatypes/enum.DataType.html#variant.Utf8View"&gt;Utf8View
 arrow data type&lt;/a&gt; by default, which is a more efficient representation 
of UTF-8 strings in Arrow.&lt;/p&gt;
+&lt;pre&gt;&lt;code class="language-sql"&gt;create table foo(x varchar);
+0 row(s) fetched.
+
+&amp;gt; describe foo;
++-------------+-----------+-------------+
+| column_name | data_type | is_nullable |
++-------------+-----------+-------------+
+| x           | Utf8View  | YES         |
++-------------+-----------+-------------+
+&lt;/code&gt;&lt;/pre&gt;
+&lt;p&gt;Previous versions of DataFusion used 
&lt;code&gt;Utf8View&lt;/code&gt; when reading parquet files and it is faster 
in most cases.&lt;/p&gt;
+&lt;p&gt;Thanks to &lt;a 
href="https://github.com/zhuqi-lucas"&gt;zhuqi-lucas&lt;/a&gt; for PR &lt;a 
href="https://github.com/apache/datafusion/pull/15104"&gt;#15104&lt;/a&gt;&lt;/p&gt;
+&lt;h3&gt;Context propagation in spawned tasks (for tracing, logging, 
etc.)&lt;/h3&gt;
+&lt;p&gt;This release introduces an API for propagating user-defined context 
(such as tracing spans,
+logging, or metrics) across thread boundaries without depending on any 
specific instrumentation library.
+You can use the &lt;a 
href="https://docs.rs/datafusion/latest/datafusion/common/runtime/trait.JoinSetTracer.html"&gt;JoinSetTracer&lt;/a&gt;
 API to instrument DataFusion plans with your own tracing or logging libraries, 
or
+use pre-integrated community crates such as the &lt;a 
href="https://github.com/datafusion-contrib/datafusion-tracing"&gt;datafusion-tracing&lt;/a&gt;
 crate.&lt;/p&gt;
+&lt;div style="text-align: center;"&gt;
+&lt;a href="https://github.com/datafusion-contrib/datafusion-tracing"&gt;
+&lt;img alt="DataFusion telemetry project logo" class="img-responsive" 
src="/blog/images/datafusion-47.0.0/datafusion-telemetry.png" width="50%"/&gt;
+&lt;/a&gt;
+&lt;/div&gt;
+&lt;p&gt;Previously, tasks spawned on new threads &amp;mdash; such as those 
performing
+repartitioning or Parquet file reads &amp;mdash; could lose thread-local 
context, which is
+often used in instrumentation libraries. A full example of how to use this new
+API is available in the &lt;a 
href="https://github.com/apache/datafusion/blob/main/datafusion-examples/examples/tracing.rs"&gt;DataFusion
 examples&lt;/a&gt;, and a simple example is shown below.&lt;/p&gt;
+&lt;pre&gt;&lt;code class="language-Rust"&gt;/// Models a simple tracer. 
Calling `in_current_span()` and `in_scope()` saves thread-specific state
+/// for the current span and must be called at the start of each new task or 
thread.
+struct SpanTracer;
+
+/// Implements the `JoinSetTracer` trait so we can inject instrumentation
+/// for both async futures and blocking closures.
+impl JoinSetTracer for SpanTracer {
+    /// Instruments a boxed future to run in the current span. The future's
+    /// return type is erased to `Box&amp;lt;dyn Any + Send&amp;gt;`, which we 
simply
+    /// run inside the `Span::current()` context.
+    fn trace_future(
+        &amp;amp;self,
+        fut: BoxFuture&amp;lt;'static, Box&amp;lt;dyn Any + 
Send&amp;gt;&amp;gt;,
+    ) -&amp;gt; BoxFuture&amp;lt;'static, Box&amp;lt;dyn Any + 
Send&amp;gt;&amp;gt; {
+        // Ensures any thread-local context is set in this future 
+        fut.in_current_span().boxed()
+    }
+
+    /// Instruments a boxed blocking closure by running it inside the
+    /// `Span::current()` context.
+    fn trace_block(
+        &amp;amp;self,
+        f: Box&amp;lt;dyn FnOnce() -&amp;gt; Box&amp;lt;dyn Any + Send&amp;gt; 
+ Send&amp;gt;,
+    ) -&amp;gt; Box&amp;lt;dyn FnOnce() -&amp;gt; Box&amp;lt;dyn Any + 
Send&amp;gt; + Send&amp;gt; {
+        let span = Span::current();
+        // Ensures any thread-local context is set for this closure
+        Box::new(move || span.in_scope(f))
+    }
+}
+
+...
+set_join_set_tracer(&amp;amp;SpanTracer).expect("Failed to set tracer");
+...
+&lt;/code&gt;&lt;/pre&gt;
+&lt;p&gt;Thanks to &lt;a 
href="https://github.com/geoffreyclaude"&gt;geoffreyclaude&lt;/a&gt; for PR 
&lt;a 
href="https://github.com/apache/datafusion/issues/14914"&gt;#14914&lt;/a&gt;&lt;/p&gt;
+&lt;h2&gt;Upgrade Guide and Changelog&lt;/h2&gt;
+&lt;p&gt;Upgrading to 47.0.0 should be straightforward for most users, but do 
review
+the &lt;a 
href="https://datafusion.apache.org/library-user-guide/upgrading.html#datafusion-47-0-0"&gt;Upgrade
 Guide for DataFusion 47.0.0&lt;/a&gt; for detailed
+steps and code changes. The upgrade guide covers the breaking changes 
mentioned above and provides code snippets to help with the
+transition. For a comprehensive list of all changes, please refer to the &lt;a 
href="https://github.com/apache/datafusion/blob/branch-47/dev/changelog/47.0.0.md"&gt;changelog&lt;/a&gt;
 for 47.0.0. The changelog
+enumerates every merged PR in this release, including many smaller fixes and 
improvements that we couldn&amp;rsquo;t cover in this post.&lt;/p&gt;
+&lt;h2&gt;Get Involved&lt;/h2&gt;
+&lt;p&gt;Apache DataFusion is an open-source project, and we welcome 
involvement from anyone interested. Now is a great time to
+take 47.0.0 for a spin: try it out on your workloads, and let us know if you 
encounter any issues or have suggestions.
+You can report bugs or request features on our GitHub issue tracker, or better 
yet, submit a pull request. Join our
+community discussions &amp;ndash; whether you have questions, want to share 
how you&amp;rsquo;re using DataFusion, or are looking to
+contribute, we&amp;rsquo;d love to hear from you. A list of open issues 
suitable for beginners
+is &lt;a 
href="https://github.com/apache/arrow-datafusion/issues?q=is%3Aissue+is%3Aopen+label%3A%22good+first+issue%22"&gt;here&lt;/a&gt;
 and you
+can find how to reach us on the &lt;a 
href="https://datafusion.apache.org/contributor-guide/communication.html"&gt;communication
 doc&lt;/a&gt;.&lt;/p&gt;
+&lt;p&gt;Happy querying!&lt;/p&gt;</content><category 
term="blog"></category></entry><entry><title>Apache DataFusion Comet 0.9.0 
Release</title><link 
href="https://datafusion.apache.org/blog/2025/07/01/datafusion-comet-0.9.0"; 
rel="alternate"></link><published>2025-07-01T00:00:00+00:00</published><updated>2025-07-01T00:00:00+00:00</updated><author><name>pmc</name></author><id>tag:datafusion.apache.org,2025-07-01:/blog/2025/07/01/datafusion-comet-0.9.0</id><summary
 type="html">&lt;!--
 {% comment %}
 Licensed to the Apache Software Foundation (ASF) under one or more
 contributor license agreements.  See the NOTICE file distributed with
diff --git a/output/feeds/pmc.atom.xml b/output/feeds/pmc.atom.xml
index 7c27d73..ea2e8f5 100644
--- a/output/feeds/pmc.atom.xml
+++ b/output/feeds/pmc.atom.xml
@@ -1,5 +1,245 @@
 <?xml version="1.0" encoding="utf-8"?>
-<feed xmlns="http://www.w3.org/2005/Atom";><title>Apache DataFusion Blog - 
pmc</title><link href="https://datafusion.apache.org/blog/"; 
rel="alternate"></link><link 
href="https://datafusion.apache.org/blog/feeds/pmc.atom.xml"; 
rel="self"></link><id>https://datafusion.apache.org/blog/</id><updated>2025-07-01T00:00:00+00:00</updated><subtitle></subtitle><entry><title>Apache
 DataFusion Comet 0.9.0 Release</title><link 
href="https://datafusion.apache.org/blog/2025/07/01/datafusion-comet-0.9.0";  
[...]
+<feed xmlns="http://www.w3.org/2005/Atom";><title>Apache DataFusion Blog - 
PMC</title><link href="https://datafusion.apache.org/blog/"; 
rel="alternate"></link><link 
href="https://datafusion.apache.org/blog/feeds/pmc.atom.xml"; 
rel="self"></link><id>https://datafusion.apache.org/blog/</id><updated>2025-07-11T00:00:00+00:00</updated><subtitle></subtitle><entry><title>Apache
 DataFusion 47.0.0 Released</title><link 
href="https://datafusion.apache.org/blog/2025/07/11/datafusion-47.0.0"; 
rel="alte [...]
+{% comment %}
+Licensed to the Apache Software Foundation (ASF) under one or more
+contributor license agreements.  See the NOTICE file distributed with
+this work for additional information regarding copyright ownership.
+The ASF licenses this file to you under the Apache License, Version 2.0
+(the "License"); you may not use this file except in compliance with
+the License.  You may obtain a copy of the License at
+http://www.apache.org/licenses/LICENSE-2.0
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+{% endcomment %}
+--&gt;
+&lt;!-- see https://github.com/apache/datafusion/issues/16347 for details 
--&gt;
+&lt;p&gt;We&amp;rsquo;re excited to announce the release of 
&lt;strong&gt;Apache DataFusion 47.0.0&lt;/strong&gt;! This new version 
represents a significant
+milestone for the project, packing in a wide range of improvements and fixes. 
You can find the complete details in the
+full &lt;a 
href="https://github.com/apache/datafusion/blob/branch-47/dev/changelog/47.0.0.md"&gt;changelog&lt;/a&gt;.
 We&amp;rsquo;ll highlight the most
+important changes below …&lt;/p&gt;</summary><content type="html">&lt;!--
+{% comment %}
+Licensed to the Apache Software Foundation (ASF) under one or more
+contributor license agreements.  See the NOTICE file distributed with
+this work for additional information regarding copyright ownership.
+The ASF licenses this file to you under the Apache License, Version 2.0
+(the "License"); you may not use this file except in compliance with
+the License.  You may obtain a copy of the License at
+http://www.apache.org/licenses/LICENSE-2.0
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+{% endcomment %}
+--&gt;
+&lt;!-- see https://github.com/apache/datafusion/issues/16347 for details 
--&gt;
+&lt;p&gt;We&amp;rsquo;re excited to announce the release of 
&lt;strong&gt;Apache DataFusion 47.0.0&lt;/strong&gt;! This new version 
represents a significant
+milestone for the project, packing in a wide range of improvements and fixes. 
You can find the complete details in the
+full &lt;a 
href="https://github.com/apache/datafusion/blob/branch-47/dev/changelog/47.0.0.md"&gt;changelog&lt;/a&gt;.
 We&amp;rsquo;ll highlight the most
+important changes below and guide you through upgrading.&lt;/p&gt;
+&lt;p&gt;Note that DataFusion 47.0.0 was released in April 2025, but we are 
only now publishing the blog post due to 
+limited bandwidth in the DataFusion community. We apologize for the delay and 
encourage you to come help us
+accelerate the next release and announcements 
+by &lt;a 
href="https://datafusion.apache.org/contributor-guide/communication.html"&gt;joining
 the community&lt;/a&gt;  🎣.&lt;/p&gt;
+&lt;h2&gt;Breaking Changes&lt;/h2&gt;
+&lt;p&gt;DataFusion 47.0.0 brings a few &lt;strong&gt;breaking 
changes&lt;/strong&gt; that may require adjustments to your code as described in
+the &lt;a 
href="https://datafusion.apache.org/library-user-guide/upgrading.html#datafusion-47-0-0"&gt;Upgrade
 Guide&lt;/a&gt;. Here are some notable ones:&lt;/p&gt;
+&lt;ul&gt;
+&lt;li&gt;&lt;a 
href="https://github.com/apache/datafusion/pull/15466"&gt;Upgrades to arrow-rs 
and arrow-parquet 55.0.0 and object_store 0.12.0&lt;/a&gt;:
+  Several APIs changed in the underlying &lt;code&gt;arrow&lt;/code&gt;, 
&lt;code&gt;parquet&lt;/code&gt; and &lt;code&gt;object_store&lt;/code&gt; 
libraries to use a &lt;code&gt;u64&lt;/code&gt; instead of usize to better 
support
+  WASM. This requires converting from &lt;code&gt;usize&lt;/code&gt; to 
&lt;code&gt;u64&lt;/code&gt; occasionally as well as changes to ObjectStore 
implementations such as&lt;/li&gt;
+&lt;/ul&gt;
+&lt;pre&gt;&lt;code class="language-Rust"&gt;impl ObjectStore {
+    ...
+
+    // The range is now a u64 instead of usize
+    async fn get_range(&amp;amp;self, location: &amp;amp;Path, range: 
Range&amp;lt;u64&amp;gt;) -&amp;gt; ObjectStoreResult&amp;lt;Bytes&amp;gt; {
+        self.inner.get_range(location, range).await
+    }
+
+    ...
+
+    // the lifetime is now 'static instead of '_ (meaning the captured closure 
can't contain references)
+    // (this also applies to list_with_offset)
+    fn list(&amp;amp;self, prefix: Option&amp;lt;&amp;amp;Path&amp;gt;) 
-&amp;gt; BoxStream&amp;lt;'static, 
ObjectStoreResult&amp;lt;ObjectMeta&amp;gt;&amp;gt; {
+        self.inner.list(prefix)
+    }
+}
+&lt;/code&gt;&lt;/pre&gt;
+&lt;ul&gt;
+&lt;li&gt;&lt;a 
href="https://github.com/apache/datafusion/issues/14914"&gt;DisplayFormatType::TreeRender&lt;/a&gt;:
+  Implementations of &lt;code&gt;ExecutionPlan&lt;/code&gt; must also provide 
a description in the &lt;code&gt;DisplayFormatType::TreeRender&lt;/code&gt; 
format to
+  provide support for the new &lt;a 
href="https://datafusion.apache.org/user-guide/sql/explain.html#tree-format-default"&gt;tree
 style explains&lt;/a&gt;.
+  This can be the same as the existing 
&lt;code&gt;DisplayFormatType::Default&lt;/code&gt;.&lt;/li&gt;
+&lt;/ul&gt;
+&lt;h2&gt;Performance Improvements&lt;/h2&gt;
+&lt;p&gt;DataFusion 47.0.0 comes with numerous performance enhancements across 
the board. Here are some of the noteworthy
+optimizations in this release:&lt;/p&gt;
+&lt;ul&gt;
+&lt;li&gt;
+&lt;p&gt;&lt;strong&gt;&lt;code&gt;FIRST_VALUE&lt;/code&gt; and 
&lt;code&gt;LAST_VALUE&lt;/code&gt;:&lt;/strong&gt; 
&lt;code&gt;FIRST_VALUE&lt;/code&gt; and &lt;code&gt;LAST_VALUE&lt;/code&gt; 
functions execute much faster for data with high cardinality such as those with 
many groups or partitions. DataFusion 47.0.0 executes the following in 
&lt;strong&gt;7 seconds&lt;/strong&gt; compared to &lt;strong&gt;36 
seconds&lt;/strong&gt; in DataFusion 46.0.0: &lt;code&gt;select id2, id4, 
first_ [...]
+  and &lt;a 
href="https://github.com/apache/datafusion/pull/15542"&gt;#15542&lt;/a&gt; by 
&lt;a href="https://github.com/UBarney"&gt;UBarney&lt;/a&gt;).&lt;/p&gt;
+&lt;/li&gt;
+&lt;li&gt;
+&lt;p&gt;&lt;strong&gt;&lt;code&gt;MIN&lt;/code&gt;, 
&lt;code&gt;MAX&lt;/code&gt; and &lt;code&gt;AVG&lt;/code&gt; for 
Durations:&lt;/strong&gt;  DataFusion executes aggregate queries up to 2.5x 
faster when they include &lt;code&gt;MIN&lt;/code&gt;, 
&lt;code&gt;MAX&lt;/code&gt; and &lt;code&gt;AVG&lt;/code&gt; on 
&lt;code&gt;Duration&lt;/code&gt; columns. 
+  (PRs &lt;a 
href="https://github.com/apache/datafusion/pull/15322"&gt;#15322&lt;/a&gt; and 
&lt;a href="https://github.com/apache/datafusion/pull/15748"&gt;#15748&lt;/a&gt;
+  by &lt;a 
href="https://github.com/shruti2522"&gt;shruti2522&lt;/a&gt;).&lt;/p&gt;
+&lt;/li&gt;
+&lt;li&gt;
+&lt;p&gt;&lt;strong&gt;Short circuit evaluation for 
&lt;code&gt;AND&lt;/code&gt; and &lt;code&gt;OR&lt;/code&gt;:&lt;/strong&gt; 
DataFusion now eagerly skips the evaluation of
+  the right operand if the left is known to be false 
(&lt;code&gt;AND&lt;/code&gt;) or true (&lt;code&gt;OR&lt;/code&gt;) in certain 
cases. For complex predicates, such as those with many 
&lt;code&gt;LIKE&lt;/code&gt; or &lt;code&gt;CASE&lt;/code&gt; expressions, 
this optimization results in
+  &lt;a 
href="https://github.com/apache/datafusion/issues/11212#issuecomment-2753584617"&gt;significant
 performance improvements&lt;/a&gt; (up to 100x in extreme cases).
+  (PRs &lt;a 
href="https://github.com/apache/datafusion/pull/15462"&gt;#15462&lt;/a&gt; and 
&lt;a href="https://github.com/apache/datafusion/pull/15694"&gt;#15694&lt;/a&gt;
+  by &lt;a 
href="https://github.com/acking-you"&gt;acking-you&lt;/a&gt;).&lt;/p&gt;
+&lt;/li&gt;
+&lt;li&gt;
+&lt;p&gt;&lt;strong&gt;TopK optimization for partially sorted 
input:&lt;/strong&gt; Previous versions of DataFusion implemented early 
termination
+  optimization (TopK) for fully sorted data. DataFusion 47.0.0 extends the 
optimization for partially sorted data, which is common in many real-world 
datasets, such as time-series data sorted by day but not within each day. 
+  (PR &lt;a 
href="https://github.com/apache/datafusion/pull/15563"&gt;#15563&lt;/a&gt; by 
&lt;a 
href="https://github.com/geoffreyclaude"&gt;geoffreyclaude&lt;/a&gt;).&lt;/p&gt;
+&lt;/li&gt;
+&lt;li&gt;
+&lt;p&gt;&lt;strong&gt;Disable re-validation of spilled files:&lt;/strong&gt; 
DataFusion no longer does unnecessary re-validation of temporary spill files. 
The validation is unnecessary and expensive as the data is known to be valid 
when it was written out
+  (PR &lt;a 
href="https://github.com/apache/datafusion/pull/15454"&gt;#15454&lt;/a&gt; by 
&lt;a href="https://github.com/zebsme"&gt;zebsme&lt;/a&gt;).&lt;/p&gt;
+&lt;/li&gt;
+&lt;/ul&gt;
+&lt;h2&gt;Highlighted New Features&lt;/h2&gt;
+&lt;h3&gt;Tree style explains&lt;/h3&gt;
+&lt;p&gt;In previous releases the &lt;a 
href="https://datafusion.apache.org/user-guide/sql/explain.html"&gt;EXPLAIN 
statement&lt;/a&gt; results in a formatted table
+which is succinct and contains important details for implementers, but was 
often hard to read
+especially with queries that included joins or unions having multiple 
children.&lt;/p&gt;
+&lt;p&gt;DataFusion 47.0.0 includes the new &lt;code&gt;EXPLAIN FORMAT 
TREE&lt;/code&gt; (default in
+&lt;code&gt;datafusion-cli&lt;/code&gt;) rendered in a visual tree style that 
is much easier to quickly
+understand.&lt;/p&gt;
+&lt;!-- SQL setup 
+create table t1(ti int) as values (1), (2), (3);
+create table t2(ti int) as values (1), (2), (3);
+--&gt;
+&lt;p&gt;Example of the new explain output:&lt;/p&gt;
+&lt;pre&gt;&lt;code class="language-sql"&gt;&amp;gt; explain select * from t1 
inner join t2 on t1.ti=t2.ti;
++---------------+------------------------------------------------------------+
+| plan_type     | plan                                                       |
++---------------+------------------------------------------------------------+
+| physical_plan | 
&amp;boxdr;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxdl;
                              |
+|               | &amp;boxv;    CoalesceBatchesExec    &amp;boxv;              
                |
+|               | &amp;boxv;    --------------------   &amp;boxv;              
                |
+|               | &amp;boxv;     target_batch_size:    &amp;boxv;              
                |
+|               | &amp;boxv;            8192           &amp;boxv;              
                |
+|               | 
&amp;boxur;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxhd;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxul;
                              |
+|               | 
&amp;boxdr;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxhu;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxdl;
                              |
+|               | &amp;boxv;        HashJoinExec       &amp;boxv;              
                |
+|               | &amp;boxv;    --------------------   
&amp;boxvr;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxdl;
               |
+|               | &amp;boxv;       on: (ti = ti)       &amp;boxv;              
&amp;boxv;               |
+|               | 
&amp;boxur;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxhd;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxul;
              &amp;boxv;               |
+|               | 
&amp;boxdr;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxhu;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxdl;&amp;boxdr;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxhu;&amp;boxh;&amp;boxh;&amp;boxh
 [...]
+|               | &amp;boxv;       DataSourceExec      &amp;boxv;&amp;boxv;    
   DataSourceExec      &amp;boxv; |
+|               | &amp;boxv;    --------------------   &amp;boxv;&amp;boxv;    
--------------------   &amp;boxv; |
+|               | &amp;boxv;         bytes: 112        &amp;boxv;&amp;boxv;    
     bytes: 112        &amp;boxv; |
+|               | &amp;boxv;       format: memory      &amp;boxv;&amp;boxv;    
   format: memory      &amp;boxv; |
+|               | &amp;boxv;          rows: 1          &amp;boxv;&amp;boxv;    
      rows: 1          &amp;boxv; |
+|               | 
&amp;boxur;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxul;&amp;boxur;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&amp;boxh;&
 [...]
+|               |                                                            |
++---------------+------------------------------------------------------------+
+&lt;/code&gt;&lt;/pre&gt;
+&lt;p&gt;Example of the &lt;code&gt;EXPLAIN FORMAT INDENT&lt;/code&gt; output 
for the same query&lt;/p&gt;
+&lt;pre&gt;&lt;code class="language-sql"&gt;&amp;gt; explain format indent 
select * from t1 inner join t2 on t1.ti=t2.ti;
++---------------+----------------------------------------------------------------------+
+| plan_type     | plan                                                         
        |
++---------------+----------------------------------------------------------------------+
+| logical_plan  | Inner Join: t1.ti = t2.ti                                    
        |
+|               |   TableScan: t1 projection=[ti]                              
        |
+|               |   TableScan: t2 projection=[ti]                              
        |
+| physical_plan | CoalesceBatchesExec: target_batch_size=8192                  
        |
+|               |   HashJoinExec: mode=CollectLeft, join_type=Inner, 
on=[(ti@0, ti@0)] |
+|               |     DataSourceExec: partitions=1, partition_sizes=[1]        
        |
+|               |     DataSourceExec: partitions=1, partition_sizes=[1]        
        |
+|               |                                                              
        |
++---------------+----------------------------------------------------------------------+
+2 row(s) fetched.
+&lt;/code&gt;&lt;/pre&gt;
+&lt;p&gt;Thanks to &lt;a href="https://github.com/irenjj"&gt;irenjj&lt;/a&gt; 
for the initial work in PR &lt;a 
href="https://github.com/apache/datafusion/pull/14677"&gt;#14677&lt;/a&gt;
+and many others for completing the &lt;a 
href="https://github.com/apache/datafusion/issues/14914"&gt;followup 
epic&lt;/a&gt;&lt;/p&gt;
+&lt;h3&gt;SQL &lt;code&gt;VARCHAR&lt;/code&gt; defaults to Utf8View&lt;/h3&gt;
+&lt;p&gt;In previous releases when a column was created in SQL the column 
would be mapped to the &lt;a 
href="https://docs.rs/arrow/latest/arrow/datatypes/enum.DataType.html#variant.Utf8"&gt;Utf8
 Arrow data type&lt;/a&gt;. In this release
+the SQL &lt;code&gt;varchar&lt;/code&gt; columns will be mapped to the &lt;a 
href="https://docs.rs/arrow/latest/arrow/datatypes/enum.DataType.html#variant.Utf8View"&gt;Utf8View
 arrow data type&lt;/a&gt; by default, which is a more efficient representation 
of UTF-8 strings in Arrow.&lt;/p&gt;
+&lt;pre&gt;&lt;code class="language-sql"&gt;create table foo(x varchar);
+0 row(s) fetched.
+
+&amp;gt; describe foo;
++-------------+-----------+-------------+
+| column_name | data_type | is_nullable |
++-------------+-----------+-------------+
+| x           | Utf8View  | YES         |
++-------------+-----------+-------------+
+&lt;/code&gt;&lt;/pre&gt;
+&lt;p&gt;Previous versions of DataFusion used 
&lt;code&gt;Utf8View&lt;/code&gt; when reading parquet files and it is faster 
in most cases.&lt;/p&gt;
+&lt;p&gt;Thanks to &lt;a 
href="https://github.com/zhuqi-lucas"&gt;zhuqi-lucas&lt;/a&gt; for PR &lt;a 
href="https://github.com/apache/datafusion/pull/15104"&gt;#15104&lt;/a&gt;&lt;/p&gt;
+&lt;h3&gt;Context propagation in spawned tasks (for tracing, logging, 
etc.)&lt;/h3&gt;
+&lt;p&gt;This release introduces an API for propagating user-defined context 
(such as tracing spans,
+logging, or metrics) across thread boundaries without depending on any 
specific instrumentation library.
+You can use the &lt;a 
href="https://docs.rs/datafusion/latest/datafusion/common/runtime/trait.JoinSetTracer.html"&gt;JoinSetTracer&lt;/a&gt;
 API to instrument DataFusion plans with your own tracing or logging libraries, 
or
+use pre-integrated community crates such as the &lt;a 
href="https://github.com/datafusion-contrib/datafusion-tracing"&gt;datafusion-tracing&lt;/a&gt;
 crate.&lt;/p&gt;
+&lt;div style="text-align: center;"&gt;
+&lt;a href="https://github.com/datafusion-contrib/datafusion-tracing"&gt;
+&lt;img alt="DataFusion telemetry project logo" class="img-responsive" 
src="/blog/images/datafusion-47.0.0/datafusion-telemetry.png" width="50%"/&gt;
+&lt;/a&gt;
+&lt;/div&gt;
+&lt;p&gt;Previously, tasks spawned on new threads &amp;mdash; such as those 
performing
+repartitioning or Parquet file reads &amp;mdash; could lose thread-local 
context, which is
+often used in instrumentation libraries. A full example of how to use this new
+API is available in the &lt;a 
href="https://github.com/apache/datafusion/blob/main/datafusion-examples/examples/tracing.rs"&gt;DataFusion
 examples&lt;/a&gt;, and a simple example is shown below.&lt;/p&gt;
+&lt;pre&gt;&lt;code class="language-Rust"&gt;/// Models a simple tracer. 
Calling `in_current_span()` and `in_scope()` saves thread-specific state
+/// for the current span and must be called at the start of each new task or 
thread.
+struct SpanTracer;
+
+/// Implements the `JoinSetTracer` trait so we can inject instrumentation
+/// for both async futures and blocking closures.
+impl JoinSetTracer for SpanTracer {
+    /// Instruments a boxed future to run in the current span. The future's
+    /// return type is erased to `Box&amp;lt;dyn Any + Send&amp;gt;`, which we 
simply
+    /// run inside the `Span::current()` context.
+    fn trace_future(
+        &amp;amp;self,
+        fut: BoxFuture&amp;lt;'static, Box&amp;lt;dyn Any + 
Send&amp;gt;&amp;gt;,
+    ) -&amp;gt; BoxFuture&amp;lt;'static, Box&amp;lt;dyn Any + 
Send&amp;gt;&amp;gt; {
+        // Ensures any thread-local context is set in this future 
+        fut.in_current_span().boxed()
+    }
+
+    /// Instruments a boxed blocking closure by running it inside the
+    /// `Span::current()` context.
+    fn trace_block(
+        &amp;amp;self,
+        f: Box&amp;lt;dyn FnOnce() -&amp;gt; Box&amp;lt;dyn Any + Send&amp;gt; 
+ Send&amp;gt;,
+    ) -&amp;gt; Box&amp;lt;dyn FnOnce() -&amp;gt; Box&amp;lt;dyn Any + 
Send&amp;gt; + Send&amp;gt; {
+        let span = Span::current();
+        // Ensures any thread-local context is set for this closure
+        Box::new(move || span.in_scope(f))
+    }
+}
+
+...
+set_join_set_tracer(&amp;amp;SpanTracer).expect("Failed to set tracer");
+...
+&lt;/code&gt;&lt;/pre&gt;
+&lt;p&gt;Thanks to &lt;a 
href="https://github.com/geoffreyclaude"&gt;geoffreyclaude&lt;/a&gt; for PR 
&lt;a 
href="https://github.com/apache/datafusion/issues/14914"&gt;#14914&lt;/a&gt;&lt;/p&gt;
+&lt;h2&gt;Upgrade Guide and Changelog&lt;/h2&gt;
+&lt;p&gt;Upgrading to 47.0.0 should be straightforward for most users, but do 
review
+the &lt;a 
href="https://datafusion.apache.org/library-user-guide/upgrading.html#datafusion-47-0-0"&gt;Upgrade
 Guide for DataFusion 47.0.0&lt;/a&gt; for detailed
+steps and code changes. The upgrade guide covers the breaking changes 
mentioned above and provides code snippets to help with the
+transition. For a comprehensive list of all changes, please refer to the &lt;a 
href="https://github.com/apache/datafusion/blob/branch-47/dev/changelog/47.0.0.md"&gt;changelog&lt;/a&gt;
 for 47.0.0. The changelog
+enumerates every merged PR in this release, including many smaller fixes and 
improvements that we couldn&amp;rsquo;t cover in this post.&lt;/p&gt;
+&lt;h2&gt;Get Involved&lt;/h2&gt;
+&lt;p&gt;Apache DataFusion is an open-source project, and we welcome 
involvement from anyone interested. Now is a great time to
+take 47.0.0 for a spin: try it out on your workloads, and let us know if you 
encounter any issues or have suggestions.
+You can report bugs or request features on our GitHub issue tracker, or better 
yet, submit a pull request. Join our
+community discussions &amp;ndash; whether you have questions, want to share 
how you&amp;rsquo;re using DataFusion, or are looking to
+contribute, we&amp;rsquo;d love to hear from you. A list of open issues 
suitable for beginners
+is &lt;a 
href="https://github.com/apache/arrow-datafusion/issues?q=is%3Aissue+is%3Aopen+label%3A%22good+first+issue%22"&gt;here&lt;/a&gt;
 and you
+can find how to reach us on the &lt;a 
href="https://datafusion.apache.org/contributor-guide/communication.html"&gt;communication
 doc&lt;/a&gt;.&lt;/p&gt;
+&lt;p&gt;Happy querying!&lt;/p&gt;</content><category 
term="blog"></category></entry><entry><title>Apache DataFusion Comet 0.9.0 
Release</title><link 
href="https://datafusion.apache.org/blog/2025/07/01/datafusion-comet-0.9.0"; 
rel="alternate"></link><published>2025-07-01T00:00:00+00:00</published><updated>2025-07-01T00:00:00+00:00</updated><author><name>pmc</name></author><id>tag:datafusion.apache.org,2025-07-01:/blog/2025/07/01/datafusion-comet-0.9.0</id><summary
 type="html">&lt;!--
 {% comment %}
 Licensed to the Apache Software Foundation (ASF) under one or more
 contributor license agreements.  See the NOTICE file distributed with
diff --git a/output/feeds/pmc.rss.xml b/output/feeds/pmc.rss.xml
index 53713b7..aff73c0 100644
--- a/output/feeds/pmc.rss.xml
+++ b/output/feeds/pmc.rss.xml
@@ -1,5 +1,25 @@
 <?xml version="1.0" encoding="utf-8"?>
-<rss version="2.0"><channel><title>Apache DataFusion Blog - 
pmc</title><link>https://datafusion.apache.org/blog/</link><description></description><lastBuildDate>Tue,
 01 Jul 2025 00:00:00 +0000</lastBuildDate><item><title>Apache DataFusion Comet 
0.9.0 
Release</title><link>https://datafusion.apache.org/blog/2025/07/01/datafusion-comet-0.9.0</link><description>&lt;!--
+<rss version="2.0"><channel><title>Apache DataFusion Blog - 
PMC</title><link>https://datafusion.apache.org/blog/</link><description></description><lastBuildDate>Fri,
 11 Jul 2025 00:00:00 +0000</lastBuildDate><item><title>Apache DataFusion 
47.0.0 
Released</title><link>https://datafusion.apache.org/blog/2025/07/11/datafusion-47.0.0</link><description>&lt;!--
+{% comment %}
+Licensed to the Apache Software Foundation (ASF) under one or more
+contributor license agreements.  See the NOTICE file distributed with
+this work for additional information regarding copyright ownership.
+The ASF licenses this file to you under the Apache License, Version 2.0
+(the "License"); you may not use this file except in compliance with
+the License.  You may obtain a copy of the License at
+http://www.apache.org/licenses/LICENSE-2.0
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+{% endcomment %}
+--&gt;
+&lt;!-- see https://github.com/apache/datafusion/issues/16347 for details 
--&gt;
+&lt;p&gt;We&amp;rsquo;re excited to announce the release of 
&lt;strong&gt;Apache DataFusion 47.0.0&lt;/strong&gt;! This new version 
represents a significant
+milestone for the project, packing in a wide range of improvements and fixes. 
You can find the complete details in the
+full &lt;a 
href="https://github.com/apache/datafusion/blob/branch-47/dev/changelog/47.0.0.md"&gt;changelog&lt;/a&gt;.
 We&amp;rsquo;ll highlight the most
+important changes below …&lt;/p&gt;</description><dc:creator 
xmlns:dc="http://purl.org/dc/elements/1.1/";>PMC</dc:creator><pubDate>Fri, 11 
Jul 2025 00:00:00 +0000</pubDate><guid 
isPermaLink="false">tag:datafusion.apache.org,2025-07-11:/blog/2025/07/11/datafusion-47.0.0</guid><category>blog</category></item><item><title>Apache
 DataFusion Comet 0.9.0 
Release</title><link>https://datafusion.apache.org/blog/2025/07/01/datafusion-comet-0.9.0</link><description>&lt;!--
 {% comment %}
 Licensed to the Apache Software Foundation (ASF) under one or more
 contributor license agreements.  See the NOTICE file distributed with
diff --git a/output/images/datafusion-47.0.0/datafusion-telemetry.png 
b/output/images/datafusion-47.0.0/datafusion-telemetry.png
new file mode 100644
index 0000000..229babd
Binary files /dev/null and 
b/output/images/datafusion-47.0.0/datafusion-telemetry.png differ
diff --git a/output/index.html b/output/index.html
index 83908d4..e589fbd 100644
--- a/output/index.html
+++ b/output/index.html
@@ -44,6 +44,45 @@
             <p><i>Here you can find the latest updates from DataFusion and 
related projects.</i></p>
 
 
+    <!-- Post -->
+    <div class="row">
+        <div class="callout">
+            <article class="post">
+                <header>
+                    <div class="title">
+                        <h1><a 
href="/blog/2025/07/11/datafusion-47.0.0">Apache DataFusion 47.0.0 
Released</a></h1>
+                        <p>Posted on: Fri 11 July 2025 by PMC</p>
+                        <p><!--
+{% comment %}
+Licensed to the Apache Software Foundation (ASF) under one or more
+contributor license agreements.  See the NOTICE file distributed with
+this work for additional information regarding copyright ownership.
+The ASF licenses this file to you under the Apache License, Version 2.0
+(the "License"); you may not use this file except in compliance with
+the License.  You may obtain a copy of the License at
+http://www.apache.org/licenses/LICENSE-2.0
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+{% endcomment %}
+-->
+<!-- see https://github.com/apache/datafusion/issues/16347 for details -->
+<p>We&rsquo;re excited to announce the release of <strong>Apache DataFusion 
47.0.0</strong>! This new version represents a significant
+milestone for the project, packing in a wide range of improvements and fixes. 
You can find the complete details in the
+full <a 
href="https://github.com/apache/datafusion/blob/branch-47/dev/changelog/47.0.0.md";>changelog</a>.
 We&rsquo;ll highlight the most
+important changes below …</p></p>
+                        <footer>
+                            <ul class="actions">
+                                <div style="text-align: right"><a 
href="/blog/2025/07/11/datafusion-47.0.0" class="button medium">Continue 
Reading</a></div>
+                            </ul>
+                            <ul class="stats">
+                            </ul>
+                        </footer>
+            </article>
+        </div>
+    </div>
     <!-- Post -->
     <div class="row">
         <div class="callout">


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