• Fixed gamebryo plugin group filter crashing the renderer process (#20436, #19848)
• Fixed attempts to modify readonly error fields (#20971)
• Fixed GitHub SAS tokens not preserved when decoding download URLs (#20133)
• Fixed skipped optional dependencies showing as error notifications (#21108)
• Fixed extension manager error handling for invalid or uninstalled extensions
• Fixed grouping key generation not sanitizing custom file paths
• Fixed version detection when installing different versions of the same mod
• Fixed fomod installer blocking the UI during unattended collection installs
• Batched mod-completion Redux dispatches to reduce expensive re-renders
• Removed superfluous collection mod state dispatches
• Deferred mod dependency rule sorting during collection installs
• Fixed stale progress notifications lingering after install completion
• Improved testModReference matching robustness
• Fixed React state-after-unmount warning in SuccessRating component