Merge branch 'improve-perf-parse-frames' into 'master'

doc(sdk): prep 3.4.6

See merge request codingame/game-engine!204

Author: Julien Poulton

playground/misc/misc-3-release-notes.md

@@ -2,11 +2,12 @@
 
 The CodinGame SDK is regularly updated and improved. This document lets you know what changed in the latest releases.
 
-## Next Release
+## 3.4.6
 
 ### 🐞 Bug fix
 
 - The intro replay file `demo.js` is now smaller when generated from scratch.
+- Improve game load performance.
 
 ## 3.4.5