Unreal Engine Issues

iOS build from Windows fails if your remote Mac shell is set to /bin/zsh

https://forums.unrealengine.com/development-discussion/ios-development/1696189-ios-launching-error ...

Missing SmallOSAlloc/Free memory tracking with LLM on iOS

Licensee reports missing memory tracking for LLM on iOS: In Engine/Source/Runtime/Core/Private/HAL/MallocBinned.cpp in SmallOSAlloc, there is a compiler define for IOS and within it there is an LLM ...

The Device Output Log does not transfer the console commands to iOS devices as expected

Editor crash with virtual texture lightmaps enabled

Material PlatformStats Android GLES&Vulkan Pixel Shader Row is empty

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

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 ...

Exposure difference between PC and Mobile preview if PP material applied with Before Tonemapping blendable locationmode

Image appears upside down when using Export Render Target on Android

Image appears to be upside down Bug was checked on production, engine version 4.25.3 and is NOT reproducible  Regression = yes ...

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

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 ...

Double quotes in SetupAndroid.bat may cause issues in paths

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. ...