Unreal Engine Issues

[CrashReport] Assertion failed: Array index out of bounds - GetPhysicsTriMeshData() [modelcomponent.cpp:688]

This is a semi-common crash that has occurred since at least 4.17.1. The callstack is nearly identical to [Link Removed], which was fixed in 4.18.0, however the error message and source context are ...

Editor crash when setting r.UniformBufferPooling to 0.

Crash on iOS9 when using Apple's CFNetwork library

Many clients have hit a crash due to an Apple library using operator delete on a memory block that was not allocated with operator new. This happens with the following callstack on iOS9 in UE4.13 o ...

Physics enabled Child Actor components that spawn with with a delay, always spawns at world origin

Physics enabled Child Actor components that spawn with with a delay, always spawns at world origin **This is a regression. It was working in 4.11.2 Could also be related to: [Link Removed] User D ...

[CrashReport] Assertion failed on Linux: SharedContext.hGLContext in OpenGLLinux.cpp

This is a top community crash occurring on Linux. The two linked CrashGroups have nearly identical callstacks. A log file is attached. Additional information is currently unavailable. Callstack f ...

PATH not passed to NMake script when building Android from Visual Studio

After upgrading from UE5.0.3 to UE5.1, we started seeing this error when trying to build Android Development from Visual Studio (VS2022 17.2.1): Running UnrealBuildTool: dotnet "..\..\Engine\Binari ...

LLM "graphics" in DX12 is always 0

MaxChannels (Voices) is printed incorrectly to the Output Log on new projects

The Max Channels (voices) setting displays in the output log as 0 on new projects. Likely a result of [Link Removed]. Issue is in display only (there are 32 voices), but should ideally report the de ...

Custom Stencil does not display in UE5.0

[CrashReport] UE4Editor_UnrealEd!FAssetEditorToolkit::InitAssetEditor() [asseteditortoolkit.cpp:62]

This is an infrequent crash occurring for users in 4.17. Users have not provided any descriptions of their actions when the crash occurred. The callstack is the same as in [Link Removed], but that ...