Hi Kevin, On Tue, May 26, 2026 at 11:59 PM Kevin Liu <[email protected]> wrote: > > Great to see the upcoming release! Thanks everyone for the amazing set of > features. > Please let me know if there's anything I can help with the release process :)
Thanks for chiming in, it's great to have your help :-) > > On Tue, May 26, 2026 at 8:52 AM Guotao Yu <[email protected]> wrote: >> >> Hi, >> >> Thanks for kicking off this discussion and for the detailed summary of >> what's landed since 0.2.0 — it's a solid body of work. >> >> I'm currently working on merging update support, which includes overwrite >> functionality. I'd like to request a short delay before cutting the 0.3.0 >> release to allow this work to land. My estimate is roughly 1–2 weeks to get >> the overwrite support merged. >> >> Having overwrite as part of 0.3.0 would round out the data write story >> nicely alongside the existing DataWriter, PositionDeleteWriter, and delete >> filter support that's already in. I think it would make for a more complete >> release for downstream users who are looking to do full read/write workflows. >> >> If the timeline doesn't work for the release plan, I'm happy to discuss >> alternatives — but if there's flexibility, I'd appreciate the window to get >> this in. >> >> Thanks for considering it. >> >> >> Junwang Zhao <[email protected]> 于2026年5月26日周二 17:24写道： >>> >>> Hi all, >>> >>> I would like to start a discussion about releasing Apache Iceberg C++ 0.3.0. >>> >>> We originally tracked the 0.3.0 roadmap in: >>> https://github.com/apache/iceberg-cpp/issues/523 >>> >>> Not every item in that roadmap has been completed yet. However, it has >>> been a while since the 0.2.0 release(Jan 26, 2026), and there has been >>> a meaningful amount of work merged since then. I think it is worth >>> considering a 0.3.0 release now, rather than continuing to wait for >>> every planned item to land. >>> >>> Since v0.2.0, 114 commits have landed on main. Some notable completed areas >>> are: >>> >>> - REST catalog authentication: >>> * No-op authentication integration >>> * Basic authentication >>> * Initial OAuth2 support >>> >>> - Table update and maintenance: >>> * SnapshotManager >>> * ReachableFileCleanup for expire snapshots >>> * IncrementalFileCleanup in ExpireSnapshots::Finalize >>> * ManifestFilterManager and ManifestMergeManager >>> * Bulk delete API in FileIO >>> >>> - Incremental scan planning: >>> * Incremental scan API >>> * Incremental append scan >>> * Incremental changelog scan >>> * Column selection support in table scan planning >>> >>> - Data write and delete-file support: >>> * DataWriter for Iceberg data files >>> * PositionDeleteWriter/EqualityDeleteWriter >>> * DeleteLoader for position and equality delete files >>> * Position delete index and roaring-based position bitmap >>> * Delete filter support >>> * MOR file scan task reader >>> >>> - FileIO and object-store support: >>> * S3 FileIO integration >>> * Streaming FileIO support >>> >>> - Format and type support: >>> * JSON serde for expression operations and expressions >>> * v3 timestamp nanosecond primitive types >>> * Puffin basic data structures, constants, format utilities, and JSON >>> serde >>> >>> - Writer metrics and related improvements: >>> * Metrics for Avro writer >>> * Metrics for Parquet writer >>> >>> - Reliability, and infrastructure: >>> * Retry failed transaction commit >>> * Shared package linkage fixes >>> * CMake and Meson version alignment >>> >>> Given the amount of features that has already finished, I propose that >>> we prepare a 0.3.0 release and continue the remaining roadmap work >>> toward the next release. This would give downstream users a new stable >>> point for the completed REST auth, table maintenance, incremental >>> scan, data writer/delete support, S3/FileIO, and related improvements. >>> >>> Thoughts? >>> >>> -- >>> Regards >>> Junwang Zhao >> >> >> >> -- >> Regards >> Guotao Yu -- Regards Junwang Zhao
