Updated CHANGELOG.md

Author: reg-pl

CHANGELOG.md

@@ -8,7 +8,8 @@
   - Added function `vmaGetMemoryWin32Handle2` offering extra parameter `VkExternalMemoryHandleTypeFlagBits handleType`.
 - Added `VMA_VERSION` macro with library version number (#507).
 - Improvements in the algorithm choosing memory type when `VMA_MEMORY_USAGE_AUTO*` is used (#520).
-- Fixes for compatibility with C++20 modules on Clang 21 and GCC15 (#513, #514).
+- Fixed compatibility with C++20 modules on Clang 21 and GCC15 (#513, #514).
+- Fixed race condition in defragmentation (#529, #313).
 - Other fixes and improvements, including compatibility with various platforms and compilers, improvements in documentation, sample application, and tests.
 
 # 3.3.0 (2025-05-12)