Improve TRC APNS push notification reliability#532
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marionbarker merged 1 commit intodevfrom Mar 8, 2026
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Switch from silent background pushes to alert-type notifications to align with how Loop APNS commands are sent, fixing unreliable delivery especially on cellular and when the app is in background.
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Summary
backgroundtoalertwith visible notification text andtime-sensitiveinterruption levelapns-expirationfrom0(deliver now or discard) to600seconds (retry for 10 min, matching Trio's command validity window)apns-collapse-idto prevent duplicate command delivery during connectivity gapsThese changes address reports of remote commands not being received by Trio, especially on cellular or when the app is in the background. Silent/background pushes are aggressively throttled by iOS (blocked in Low Power Mode, limited to ~2-3/hour, not delivered after force-quit). Alert-type pushes with
time-sensitiveinterruption level get reliable, immediate delivery.No changes required on the Trio side — the same
didReceiveRemoteNotificationcallback fires for both push types.