v2.3.1

Self-update: preserve your library and settings (fixes #1)

• Root cause: Release archives included a blank apps.json, and the self-updater copied it over your install folder, replacing your library manifest with { "apps": [] }.
• Fix: Release zips no longer bundle apps.json. The updater now skips user data when applying updates: apps.json, settings.json, games.json, and the Cache/ folder.
• Recovery: If you were affected, check %TEMP%\Quiver_backup_* (Windows) or /tmp/Quiver_backup_* (Linux) from the day you updated — your old apps.json may still be there. Installed apps in your configured apps folder are usually unchanged; re-add them from App Catalog if needed.

Close After Launch

• Quiver no longer closes after a download completes or after dismissing a download error dialog when Close After Launch is enabled.
• Quiver still closes immediately after a successful launch, as intended.

Other

• Added apps.json.example as a reference template (not shipped in release archives).
• Added regression tests for updater user-data preservation and release packaging.

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