Update changelog and version for 1.27.3. (#13894)

* Update changelog and version for 1.27.3.

Author: sean-mcmanus

Extension/CHANGELOG.md

@@ -1,5 +1,17 @@
 # C/C++ for Visual Studio Code Changelog
 
+## Version 1.27.3: September 3, 2025
+### Enhancements
+* Show a warning when too many files are processed in a workspace. [#10828](https://github.com/microsoft/vscode-cpptools/issues/10828)
+* Update GitHub Copilot APIs. [PR #13877](https://github.com/microsoft/vscode-cpptools/pull/13877)
+  * Thank you for the contribution. [@dbaeumer (Dirk Bäumer)](https://github.com/dbaeumer)
+
+### Bug Fixes
+* Fix input delays when editing `c_cpp_properties.json`. [#13591](https://github.com/microsoft/vscode-cpptools/issues/13591)
+* Fix non-recursive browse paths from configuration providers. [#13886](https://github.com/microsoft/vscode-cpptools/issues/13886)
+* Fix an IntelliSense process crash involving `requires` expressions and templates.
+* Fix an IntelliSense process crash with `class_has_mutable_member`.
+
 ## Version 1.27.2: August 21, 2025
 ### Bug Fix
 * Fix a crash regression with `__BASE_FILE__`. [#13866](https://github.com/microsoft/vscode-cpptools/issues/13866)

Extension/package.json

@@ -2,7 +2,7 @@
     "name": "cpptools",
     "displayName": "C/C++",
     "description": "C/C++ IntelliSense, debugging, and code browsing.",
-    "version": "1.27.2-main",
+    "version": "1.27.3-main",
     "publisher": "ms-vscode",
     "icon": "LanguageCCPP_color_128x.png",
     "readme": "README.md",