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SubMiner/changes/sync-ui-window-close-quit.md
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sudacode 8c97b48721 fix(sync-ui): quit reliably after standalone sync window closes
- Re-issue post-cleanup quit via setImmediate so Electron doesn't drop it while unwinding the prevented quit
- Use requestAppQuit (not app.quit) on sync window close for forced-exit fallback coverage
- Settle cancelled/timed-out runs immediately when child already exited to avoid hanging on close held open by descendants
2026-07-12 23:59:20 -07:00

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type: fixed
area: sync
- Fixed the app staying alive in the background after closing a standalone Sync window (`subminer sync --ui`) on macOS. The quit re-issued after async will-quit cleanup was dropped by Electron when the cleanup settled within the same tick as the will-quit dispatch; the re-quit now runs on a fresh macrotask, and the standalone Sync window close path uses the same forced-exit fallback as SIGTERM. Windows opened from the tray menu of a running app are unaffected: closing them still leaves the app running.
- Fixed cancelling or timing out a sync run hanging when the sync child had already exited without emitting a terminal result: the run waited on `close`, which a descendant holding the inherited stdio pipes can delay indefinitely, stalling the quit-time sync shutdown. Cancellation now settles the run immediately once the child has exited.