[bot] 2021.3 LTS 55

Author: github-actions[bot]

Unity2021/2021.3.55/Unity_2021.3.55f1_LTS.md

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+# Unity 2021.3.55f1 LTS
+Published at Tue, 05 Aug 2025 14:36:32 GMT  
+https://unity.com/releases/editor/whats-new/2021.3.55
+
+# Known Issues in 2021.3.55f1
+
+- DirectX12: Increased Memory usage when Update Mode 'On Demand' Realtime lights are used and DX12 API is selected
+    ([UUM-90065](https://issuetracker.unity3d.com/issues/increased-memory-usage-when-update-mode-on-demand-realtime-lights-are-used-and-dx12-api-is-selected))
+
+
+
+# 2021.3.55f1 Release Notes
+
+## Fixes
+
+- Android: Fixed warning showing libraries as not 16 KB page aligned when they have been updated externally.
+    ([UUM-111393](https://issuetracker.unity3d.com/issues/android-native-libraries-dot-so-are-not-checked-for-16kb-alignment-when-modified-externally))
+
+- Editor: Updated 7-Zip to 25.00.
+
+- Graphics: Fixed crash after disconnecting an external display on Android.
+    ([UUM-110456](https://issuetracker.unity3d.com/issues/android-crash-or-freeze-when-disconnecting-an-external-monitor-from-an-android-device))
+
+- iOS: Fixed a crash when loading achievements from GameCenter multiple times.
+    ([UUM-105560](https://issuetracker.unity3d.com/issues/ios-application-frequently-crashes-on-social-dot-loadachievements-call-when-many-achievements-are-registered))
+
+- Scripting: Fixed ObjectPool clear timing in no domain reload environment.
+    ([UUM-111093](https://issuetracker.unity3d.com/issues/objectpools-pool-is-destroyed-when-entering-play-mode-without-reloading-domain))
+
+
+
+
+## Package changes in 2021.3.55f1
+
+## Packages updated
+
+- com.unity.netcode.gameobjects: [1.13.0](https://docs.unity3d.com/Packages/[email protected]//changelog/CHANGELOG.html) to [1.14.0](https://docs.unity3d.com/Packages/[email protected]//changelog/CHANGELOG.html)