WIP: Critical alerts

docs/publish.md

@@ -492,6 +492,11 @@ You can set the priority with the header `X-Priority` (or any of its aliases: `P
   <figcaption>Detail view of priority notifications</figcaption>
 </figure>
 
+On **iOS**, max priority (`5`) messages are delivered as [critical alerts](https://developer.apple.com/documentation/usernotifications/unnotificationinterruptionlevel/critical),
+which break through silent mode and Do Not Disturb and play a sound at full volume. You must grant ntfy
+permission to send critical alerts (the app asks for it on first launch; it can also be toggled in
+**iOS Settings > Notifications > ntfy**).
+
 ## Tags & emojis 🥳 🎉
 _Supported on:_ :material-android: :material-apple: :material-firefox:
 

docs/releases.md

@@ -1948,6 +1948,12 @@ and the [ntfy Android app](https://github.com/binwiederhier/ntfy-android/release
 
 ## Not released yet
 
+### ntfy server v2.25.0 (UNRELEASED)
+
+**Features:**
+
+* Send priority 5 (max/urgent) messages as iOS critical alerts (APNs critical sound + `interruption-level`), so they bypass silent mode and Do Not Disturb ([ntfy-ios#44](https://github.com/binwiederhier/ntfy-ios/pull/44), thanks to [@am7590](https://github.com/am7590) for the iOS app contribution)
+
 ### ntfy Android v1.25.x (UNRELEASED)
 
 This release makes the "connection lost" alert configurable and turns it off by default. Folks did not like it and many reached out