[llvm-branch-commits] [clang-tools-extra] [clangd] Clarify release note about skipping preamble builds when using modules (PR #212402)

[Nathan Ridge via llvm-branch-commits]

https://github.com/HighCommander4 created https://github.com/llvm/llvm-project/pull/212402

None

>From 0924616e7a832ff834535e0580ea0b2bd7a2b7f2 Mon Sep 17 00:00:00 2001
From: Nathan Ridge <zeratul976 at hotmail.com>
Date: Tue, 28 Jul 2026 00:46:50 -0400
Subject: [PATCH] [clangd] Clarify release note about skipping preamble builds
 when using modules

---
 clang-tools-extra/docs/ReleaseNotes.rst | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/clang-tools-extra/docs/ReleaseNotes.rst b/clang-tools-extra/docs/ReleaseNotes.rst
index 66b36a9f64998..697f13f99f617 100644
--- a/clang-tools-extra/docs/ReleaseNotes.rst
+++ b/clang-tools-extra/docs/ReleaseNotes.rst
@@ -267,7 +267,9 @@ Improvements to C++20 Modules support
 
 - Fixed handling of relative paths in prebuilt module files
 
-- Added a ``--skip-preamble-build`` command-line option
+- Clangd's preamble optimization is skipped for translation units
+  that use modules. (The two features have buggy interactions, and
+  modules independently provide much of the same performance benefit.)
 
 - Support different modules with the same name in a project