iOS/TVos/Mac Compilation Error - Argument List Too Long

Platform - Mobile - Oct 8, 2020

Compilations are failing on iOS, tvOS and Mac due to the following clang error: clang: error: unable to exectute command: posix_spawn failed: Argument list too long ...

r.ShaderpipelineCache.StartupMode=0 does NOT work property

Platform - Mobile - Sep 16, 2020

r.ShaderpipelineCache.StartupMode=0 is a option for stop precompile using PSO Caching, but it doesn't work property. After CL-5837455, FShaderPipelineCache::ResumeBatching() is always called in FEn ...

Double quotes in SetupAndroid.bat may cause issues in paths

Platform - Mobile - Sep 15, 2020

There are a few ways to end up with double-quoted paths inside of double quotes, including the case where user path does not already contain any paths. ...

Default UE splash logo appears briefly when launching an application with an alternate launch image on iOS

Platform - Mobile - Sep 15, 2020

Various users have reported seeing the default UE splash logo appear briefly before their custom launch screen appears. This was reported to have been seen in 4.25, and did not occur for users in 4. ...

Audio from iOS is muted after having responds from siri.

Platform - Mobile - Sep 10, 2020

User cannot hear sound after siri's respond when playing the app. When user go home screen then back to the app, then the user can hear the sound. This is related to [Link Removed] but this tick ...

Android ETC2 Debug Builds Crash on Startup

Platform - Mobile - Sep 9, 2020

Android apps build with the debug configuration on ETC2 will crash on launch. ...

Android Random Startup Crashing

Platform - Mobile - Sep 9, 2020

Licensees are reporting random crashes at startup, with randomly different messages, but it seems that all have a "low-address null pointer dereference".  The licensee believes that the phone someti ...

Absolute World Position post process no longer works in mobile preview

Platform - Mobile - Sep 2, 2020

User reports this work correctly in 4.24, but now no longer works as expected in 4.25.I don't have a clear CL just yet, marking unconfirmed. If you change the settings to use ES3.1 Preview and just ...

Launching Android project to device results in Assertion Failed: AsyncLoading.cpp, Line 3710

Platform - Mobile - Aug 31, 2020

After updating to 4.25.1 from 4.25 Packaged Android game crashes constantly with objects added to the map 4.25 Packaged game did not crash (editor did a lot but glad thats fixed in 4.25.1) Empty map ...

FCoreDelegates::OnControllerConnectionChange Missing Wireless Disconnect Event

Platform - Mobile - Aug 26, 2020

FCoreDelegates::OnControllerConnectionChange works for wired connect/disconnect events as well as the wireless connect event, but wireless disconnect is not working. ...