If you are still running a version prior to 5.5.2 on macOS Big Sur, the auto-update mechanism may be broken. Users are advised to download the update manually from the official website to restore functionality.
: Fixed a startup bug where the app failed to read Google Drive File Stream settings, which previously caused the interface to disappear. Default Folder X 5.5.2
If you want to know more about the latest version (Default Folder X 6) or need help with a specific feature like setting up folder sets, let me know! Big Sur « St. Clair Software Blog If you are still running a version prior to 5
: Resolved issues where the "Open" and "Save" dialog toolbars would fail to load after the version 5.5 rollout. If you want to know more about the
: Optimized for Big Sur 11.1, ensuring the toolbar and menu icons appeared correctly.
: Advanced navigation without leaving the keyboard. ⚠️ Important Note for Users