GOverlay, a graphical tool for managing Linux gaming overlays, has been released in version 1.8.9.
Version 1.8.9 adds a per-game blacklist for MangoHud, fixes for OptiScaler and bgmod, and improved path resolution for non-Steam games under Flatpak.
Changes in version 1.8.9:
MangoHud & Blacklist Improvements
- “Per-Game Blacklist Support”: Automatically append the
blacklist=directive to both global and per-game configuration files.- “Global Profile Parity”: Unified global mode storage structure under
goverlay/gameconfig/global/to mirror per-game profiles, while maintaining automatic synchronization with system-wide MangoHud configuration paths.- “Blacklist Window UX”: Fixed button modal properties in
blacklistunitso the window remains open after adding (+) or deleting items.OptiScaler & bgmod Integration
- “Version String Comparison”: Fixed version matching by stripping the
stable.prefix when comparing OptiScaler releases.- “Fakenvapi Fixes”: Corrected an off-by-one key length check for
fakenvapiversionand resolved a configuration key typo inbgmod.- “Silent Saving & UI Sync”: Added silent saving modes to prevent UI desynchronization
Flatpak & Path Resolution
- “Non-Steam Games Config”: Fixed path resolution for
nonsteam_folders.txtusingTConfigManager.GetGoverlayFolderto ensure proper Flatpak sandbox support.UI & System Fixes
- “Changelog Deadlock”: Resolved a menu option freeze and curl I/O pipe deadlock when fetching and parsing release notes.

Source: GitHub