https://github.com/charles-zablit created 
https://github.com/llvm/llvm-project/pull/209759

https://github.com/llvm/llvm-project/pull/191159 recommended Python 3.11 or 
later. Now that llvm 23 has branched, we can enforce Python 3.11 as the minimum 
requirement.

>From cae2c62781c85488b955cb62f585541506937372 Mon Sep 17 00:00:00 2001
From: Charles Zablit <[email protected]>
Date: Wed, 15 Jul 2026 13:51:27 +0100
Subject: [PATCH] [lldb][Windows] Enforce Python 3.11

---
 lldb/cmake/modules/FindPythonAndSwig.cmake | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/lldb/cmake/modules/FindPythonAndSwig.cmake 
b/lldb/cmake/modules/FindPythonAndSwig.cmake
index 764c6a4f3fd40..ce6d684787ffd 100644
--- a/lldb/cmake/modules/FindPythonAndSwig.cmake
+++ b/lldb/cmake/modules/FindPythonAndSwig.cmake
@@ -68,9 +68,8 @@ else()
 endif()
 
 if (WIN32)
-  set(LLDB_RECOMMENDED_PYTHON "3.11")
-  if(PYTHONANDSWIG_FOUND AND "${Python3_VERSION}" VERSION_LESS 
"${LLDB_RECOMMENDED_PYTHON}")
-    message(WARNING "Using Python ${Python3_VERSION}. 
${LLDB_RECOMMENDED_PYTHON} "
-                    "is recommended and will be required from LLDB 24.")
+  set(LLDB_REQUIRED_PYTHON "3.11")
+  if(PYTHONANDSWIG_FOUND AND "${Python3_VERSION}" VERSION_LESS 
"${LLDB_REQUIRED_PYTHON}")
+    message(ERROR "Using Python ${Python3_VERSION}. Python 
${LLDB_REQUIRED_PYTHON}+ is required.")
   endif()
 endif()

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