Add release matrix to release.md (#93392)

Add Release Compatibility Matrix
Pull Request resolved: #93392
Approved by: https://github.com/weiwangmeta, https://github.com/albanD, https://github.com/seemethere

RELEASE.md

@@ -2,6 +2,7 @@
 
 <!-- toc -->
 
+  - [Release Compatibility Matrix](#release-compatibility-matrix)
   - [General Overview](#general-overview)
   - [Cutting a release branch preparations](#cutting-a-release-branch-preparations)
   - [Cutting release branches](#cutting-release-branches)
@@ -34,6 +35,16 @@
 
 <!-- tocstop -->
 
+## Release Compatibility Matrix
+
+Following is the Release Compatibility Matrix for PyTorch releases:
+
+| PyTorch version | Python | Stable CUDA | Experimental CUDA |
+| --- | --- | --- | --- |
+| 2.0 | >=3.8, <=3.11 | CUDA 11.7, CUDNN 8.5.0.96 | CUDA 11.8, CUDNN 8.7.0.84 |
+| 1.13 | >=3.7, <=3.10 | CUDA 11.6, CUDNN 8.3.2.44 | CUDA 11.7, CUDNN 8.5.0.96 |
+| 1.12 | >=3.7, <=3.10 | CUDA 11.3, CUDNN 8.3.2.44 | CUDA 11.6, CUDNN 8.3.2.44 |
+
 ## General Overview
 
 Releasing a new version of PyTorch generally entails 3 major steps: