Unreal Engine Issues

Crash undoing "replace actor with" when replaced object constructs child actors

The problem seems to be that the construction scripts doubled up all the BlueprintCreatedComponents, so there are now 2 scene components(actually the same one duplicated) and now 2 child actor compo ...

UBT crashes when doing an incremental build

There is a consistent crash when incrementally compiling headers containing generated code. The code for launching UHT accesses a property which is null when compiling with the UBT makefile. ...

[CrashReport] UE4Editor-MetalRHI.dylib!TranslatePrimitiveType()

This is an infrequent but longstanding Mac crash that has occurred since at least UE 4.15. User DescriptionsTried to look at LOD Coloration Callstack from Log[2017.11.15-20.09.54:885][537]TextureS ...

[CrashReport] AppleIntelHD5000GraphicsMTLDriver!SamplerStage::bindSamplerToTexture()

This is a trending Mac/Metal crash coming out of 4.18. Users have not provided any descriptions of their actions when the crash occurred. Callstack from Log[2017.10.30-21.59.52:157][767]LogSlate: T ...

In the Editor details panel for a float, When entering a decimal of 18 numbers results in incorrect truncation.

In Editor details panels for a float value, when entering a decimal of 18 numbers results in incorrect truncation. ...

Particle memory can be corrupted leading to a crash

Crash after removing frames in recorded animation

Crash after removing frames in recorded animation.  Reported in version 4.25.3 (CL-13942748) and tested in versions 4.24.3 (CL-11590370) and 4.25. Working as expected in 4.24.  ...

iOS Launch On does not copy content to iOS/TVOS 13 devices

DeploymentServer fails to transfer the files LogPlayLevel: ********** DEPLOY COMMAND STARTED ********** LogPlayLevel: Running: F:\UE4-Release-4.23\Engine\Binaries\DotNET\IOS\DeploymentServer.exe ...

[CrashReport] UE4Editor_CoreUObject!UObjectBaseUtility::MarkPackageDirty() [uobjectbaseutility.cpp:137]

No user comments in crash group ...

Crash after Clearing Sound Wave Asset and Deleting Media Player from Content Browser

A crash occurs when deleting a Media Player asset from the Content Browser that contained a previously referenced Sound Wave asset. This issue does not occur in any past engine versions as the prev ...