chore(changelog): update CHANGELOG.md

Signed-off-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

CHANGELOG.md

@@ -3,7 +3,7 @@
 
 
 <a name="Unreleased"></a>
-## Unreleased - 2023-10-07
+## Unreleased - 2023-10-09
 ### Ci
 - **actions:** create github action files ([#24](https://github.com/techlauncher-mlai-edge-physics/physics_in_the_browser/issues/24))
 - **changelog:** fix the permission error ([#25](https://github.com/techlauncher-mlai-edge-physics/physics_in_the_browser/issues/25))
@@ -61,10 +61,11 @@
 - **website analytics:** add GA to web application
 
 ### Fix
+- **ControlBar:** optimize model saving process in ControlBar component ([#169](https://github.com/techlauncher-mlai-edge-physics/physics_in_the_browser/issues/169))
 - **NavBar:** change the position of the logo
 - **Simulator:** hotfix for previous commit
-- **Simulator:** remove bands on renderer ([#15](https://github.com/techlauncher-mlai-edge-physics/physics_in_the_browser/issues/15))
 - **Simulator:** remove bands on renderer
+- **Simulator:** remove bands on renderer ([#15](https://github.com/techlauncher-mlai-edge-physics/physics_in_the_browser/issues/15))
 - **about:** add types declaration, replace <a> with <Link>
 - **component:** use a uniform style for components
 - **eslint:** resolve eslint issues with parameter-pane & webgpu declaration ([#125](https://github.com/techlauncher-mlai-edge-physics/physics_in_the_browser/issues/125))