Merge pull request #50 from GPUEngineering/fix/48-better-mem-mgmt

Better memory management

Author: alphaville

Diff for: CHANGELOG.md

@@ -6,6 +6,15 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 
+<!-- ---------------------
+      v1.3.1
+     --------------------- -->
+## v1.3.1 - 8-11-2024
+
+### Fixed
+
+- Memory management improvements: we got rid of `pointerToMatrices`, which would unnecessarily allocate memory and `addAB` does not allocate any new memory internally.
+
 <!-- ---------------------
       v1.3.0
      --------------------- -->