From ffa7b01fbefcb43207847201c6ebd99d365e95aa Mon Sep 17 00:00:00 2001
From: "Matthew W. Thompson" <mattwthompson@protonmail.com>
Date: Fri, 3 May 2024 08:45:25 -0500
Subject: [PATCH] Add release notes

---
 README.md | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/README.md b/README.md
index 651356b..4b5879e 100644
--- a/README.md
+++ b/README.md
@@ -337,6 +337,17 @@ See the corresponding directories for information on how to use the provided con
 
 # [Changelog](https://github.com/openmm/openmmforcefields/releases)
 
+## 0.13.0 Temporarily remove GAFFTemplateGenerator
+
+This release temporarily removes GAFFTemplateGenerator because of packaging incompatibilities with
+AmberTools 23. This functionality is planned to be re-introduced in 0.14.0.
+
+This release is expected to work with Python 3.10-3.12.
+
+Other changes include
+* The default force field of `SystemGenerator` was updated from `openff-1.0.0` (code name Parsley) to
+  `openff-2.0.0` (code name Sage).
+
 ## 0.12.0 Updates for espaloma and support a offxml string in SystemGenerator
 See our [0.12.0 release page](https://github.com/openmm/openmmforcefields/releases/tag/0.12.0) for more details.