Material PlatformStats Android GLES&Vulkan Pixel Shader Row is empty

Platform - Mobile - Nov 26, 2020

I think it's caused by mismatching names of shadertype, which was hand-coded in MaterialStatsCommon.cpp ...

Android build fails with GPU Lightmass plugin enabled

Platform - Mobile - Nov 5, 2020

Packaging for Android fails with the GPU Lightmass plugin enabled. A customer reported this and I was able to successfully repro it, however my callstack was different. I'm attaching my logs and cal ...

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 properly. 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 ...