Unreal Engine Issues

D3D12 uses a lot more memory than D3D11

We’re aware of some extra memory usage in the DX12, but 100% more is more than we’ve seen! I think it’s multiple sources that is causing the increase in usage but not all are known. For example, I’v ...

Localization manifest writing fails if source control is hooked up and the manifest file does not exist already.

First one happens on a clear project without any localization settings ever made. Gather Text commandlet log has theese lines in it: [2015.06.16-13.21.56:396][ 0]LogInit:Display: SourceControl:Err ...

Fixed frame interval playback should be off by default

[CrashReport] UE4Editor_UnrealEd!FAssetEditorToolkit::GetDefaultTabIcon()

This is a fairly common crash that occurs in the 4.17 and 4.18 releases. This callstack was originally being tracked under [Link Removed], but that had specific repro steps that were confirmed fixed ...

Render target size mistmatch in ShaderDrawDebug

We found a d3d debug validation assert in RDG_EVENT_NAME("ShaderDrawDebug"), with the full DLSS integration. It however also reproduces in  (4.25.1-release, dev-rendering and the plugin branch with ...

[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 ...