docs: add v2.9.0 changelog entry (2026-05-13)

README.md

@@ -1,30 +1,20 @@
----
-license: bsd-3-clause
-tags:
-- flash-attention
-- windows
-- pytorch
-- cuda
-- whl
-language:
-- en
----
-
-# FlashAttention Windows Wheel
-
-Unofficial Windows-compatible wheel of flash-attention for Windows 
-**Python 3.11＆3.12＆3.13　versions only**.
-
-## Overview
-This repository provides **Windows-compatible wheels** for FlashAttention-2 that are not officially distributed.  
-Pre-built version: `flash_attn-2` with **Python 3.11＆3.12＆3.13** support.
-
-## Key Features
-- ✅ Native Windows support (Python 3.11＆3.12＆3.13)
-- ⚡ FlashAttention-2
-
-## Key Features
-15.11.2025 Uploaded v2.8.3 based on Pytorch2.9.1+cu130  
-12.02.2026 Uploaded v2.8.3 based on Pytorch2.10.0+cu130  
-29.03.2026 Uploaded v2.8.3 based on Pytorch2.11.0+cu130  
-※Unofficial built version!! It works correctly in my environment, but I'm not sure that will work in yours.
+# FlashAttention Windows Wheel
+
+Unofficial Windows-compatible wheel of flash-attention for Windows 
+**Python 3.11＆3.12＆3.13 versions only**.
+
+## Overview
+This repository provides **Windows-compatible wheels** for FlashAttention-2 that are not officially distributed. 
+Pre-built version: lash_attn-2 with **Python 3.11＆3.12＆3.13** support.
+
+## Key Features
+- ✅ Native Windows support (Python 3.11＆3.12＆3.13)
+- ⚡ FlashAttention-2
+
+## Changelog
+15.11.2025 Uploaded v2.8.3 based on PyTorch2.9.1+cu130 
+12.02.2026 Uploaded v2.8.3 based on PyTorch2.10.0+cu130 
+29.03.2026 Uploaded v2.8.3 based on PyTorch2.11.0+cu130 
+13.05.2026 Uploaded v2.9.0 based on PyTorch2.10.0+cu130 (FA2 fork with A-1/A-2 optimizations)
+
+※Unofficial built version!! It works correctly in my environment, but I'm not sure that will work in yours.