Merge pull request #1277 from openforcefield/release-0.4.4

Finalize 0.4.4 release notes

Author: mattwthompson

docs/releasehistory.md

@@ -11,7 +11,7 @@ Dates are given in YYYY-MM-DD format.
 
 Please note that all releases prior to a version 1.0.0 are considered pre-releases and many API changes will come before a stable release.
 
-## Current development
+## 0.4.4 - 2025-07-29
 
 ### Behavior changes
 
@@ -26,6 +26,10 @@ Please note that all releases prior to a version 1.0.0 are considered pre-releas
 
 * #1263 Removes `importlib_metadata` backport when loading plugins.
 
+### Documentation improvements
+
+* #1259 Remove obsolete warnings of experimental/unstable status
+
 ## 0.4.3 - 2025-07-11
 
 ### New features