Add changelog

CHANGELOG.md

@@ -5,6 +5,14 @@ All notable changes to Stability Matrix will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning 2.0](https://semver.org/spec/v2.0.0.html).
 
+## v2.7.0-pre.1
+### Fixed
+- Fixed control character decoding that caused some progress bars to show as `\u2588`
+- Fixed Python `rich` package's progress bars not showing in console
+- Optimized ProgressRing animation bindings to reduce CPU usage
+- Improved safety checks in custom control rendering to reduce potential graphical artifacts
+- Improved console rendering safety with cursor line increment clamping, as potential fix for [#111](https://github.com/LykosAI/StabilityMatrix/issues/111)
+
 ## v2.7.0-dev.4
 ### Fixed
 - Fixed [#290](https://github.com/LykosAI/StabilityMatrix/issues/290) - Model browser crash due to text trimming certain unicode characters