Run GOG Galaxy 2.0.69 Preview (August 10, 2023} @ Microsoft Windows 10.0.19045.3393 with "GOG Galaxy 2.0 Community integration for Steam" v1.0.7 - FIXES.
Wait for the end of synchronization.
Make sure the GOG Galaxy sidebar on Steam doesn't show the number of games.
Expected behavior
The GOG Galaxy sidebar under the Steam tab displays the number of games added by the "GOG Galaxy 2.0 Community integration for Steam" add-on.
To Reproduce
Expected behavior The GOG Galaxy sidebar under the Steam tab displays the number of games added by the "GOG Galaxy 2.0 Community integration for Steam" add-on.
Attached logs GOG Galaxy logs 2023-08-24.7z.zip