Unreal Engine Issues
Unreal Engine Issues
Setting Slate.ShowBatching to 1 makes the entire screen green unexpectedly
UE - Editor - UI Systems - Slate - Jun 19, 2025This issue may have occurred due to a refactoring of the related functionality during the engine update from version 5.4 to 5.5. The main reason is that the randomization of BatchColor doesn't work ...
Up Ratio on the Gear Setup for Vehicle Movement Component does not work correctly
UE - Simulation - Physics - Sep 11, 2015When changing Up Ratio for the Gear Setup in a Wheeled Vehicle's Vehicle Movement Component, there are some weird results. At 1.0 for Gear Setup, the gear should shift once RPM is at max but it will ...
[CrashReport] UE4Editor-Slate.dylib!FMenuStack::PostPush(TSharedPtr<IMenu, (ESPMode)0>, TSharedRef<FMenuBase,()
Tools - Dec 1, 2017This is a longstanding but infrequent Mac crash that has occurred since at least 4.15. Users have not provided any descriptions. Callstack from Log[2017.11.19-04.18.41:283][ 0]LogSlate: Took 0.000 ...
Composite font uses a sub-font, even when the sub-font doesn't support the character
Tools - Apr 7, 2016I have a fix for this shelved in CL# 2937344, so it would be good to get it into 4.12 once the user verifies the fix. ...
SceneCapture2D Render Targets do not retain Alpha when in Rendering Preview for Vulkan and ES3.1
UE - Platform - Mobile - Dec 12, 2022Regression: This issue does not occur in Release-5.0, so this is a regression The widget completely obscures the screen only when switching Preview Rendering modes without looking at the create Blu ...
[Interchange] Time zero bind pose do not support multiple bind pose for the same bone
UE - Editor - Content Pipeline - Import and Export - Nov 27, 2024If you import a model containing multiple mesh using the same bones but with different bind pose, the time zero skin result will be wrong. ...
Rewind Debugger does not support visual tick marks for Visual Log logline events.
UE - Anim - Runtime - Jan 8, 2025When using UE_VLOG events in blueprint or in code, the rewind debugger does not show those events visually on the track or output those events to the details view. ...
Opening or Creating a Material with SubSurface Profile will Crash Editor with LPV enabled
UE - Graphics Features - Dec 22, 2014After enabling Light Propagation Volumes with the console variable r.LightPropogationVolume=1, opening or creating a material with the subsurface profile model will crash the editor. Broken in 4.6. ...
[Feature Request] Add material node or function to easily support AR passthrough camera
UE - Platform - XR - Feb 5, 2018See the UDN link. This is currently possible with some material work, but should be made more robust to automatically look up the passtrough texture resolution and to deal with apps deployed in por ...
UMaterialBillboardComponent Memory Leak and Hitching (Unreal 4.19.2 + 4.19.1)
UE - Graphics Features - May 4, 2018Creating an actor with a UMaterialBillboardComponent causes Editor hitching. ...