Unreal Engine Issues
Unreal Engine Issues
Crash occurs when executing r.RHIThread.Enable 2 command
UE - Rendering - Architecture - RHI - Jan 19, 2023This is not a regression. Tested in //UE5/Release-5.0 CL20379098 Editor crashes with an assertion after executing the command r.RHIThread.Enable 2 ...
Splash screen on iOS is stretched
UE - Platform - Mobile - Dec 22, 2015The splash screen on the iPhone 6s is stretched when loading. Tested alongside the iPhone 5s and the Samsung Galaxy Note 2 for comparison. The stretching only occurs on the 6s. iPhone 6s: 6240_iPho ...
4.18 Linux build errors using clang10
Tools - Nov 4, 2017(User report) Attempting to build 4.18 Linux using v10_clang-5.0.0-centos7 results in an error: specified path differs in case from file name on disk Note: There is another issue reported in the sa ...
Floating point error when rotating an actor while snapping is enabled
UE - Editor - Jan 27, 2022Tested in: //UE5/Release-5.0 CL 16682836 Live Binary //UE5/Release-5.0 CL 18747223 GitHub(Attached Gif) Similar to [Link Removed] ...
Implied Decal Blend Modes don't account for static ignore-switch parameters in an expected way
UE - Rendering - Architecture - Sep 28, 2021The desired behavior from a user perspective here is that they'd be able to use Static Switches in a decal master material to toggle different features and behaviors. In the above setup, if I set th ...
Getting Vector Parameter Values from a Dynamic Material Instance with 1 or more vector parameters returns an empty array
UE - Rendering - Architecture - Materials - Jan 3, 2023This is not a regression. Tested in //UE5/Release-5.0 CL20979098 The array for Vector Parameters isn't getting populated when called from a Dynamic Material Instance. ...
ChildActorComponent (SkeletalMesh) goes into tpose when calling SetChildActorClass
OLD - Anim - Mar 19, 2018There is an issue occurring where when updating an animation of a child actor by setting the Child actor class, the animation will flash the skeleton in a T-Pose before continuing with the animation ...
Substrate Unlit editor view mode renders black with Blendable GBuffer
UE - Rendering - Features - Shading Models - Mar 18, 2026When using Substrate materials with SUBSTRATE_GBUFFER_FORMAT==0 (Blendable GBuffer), the Unlit editor view mode renders completely black. TopLayerData.UnlitViewBaseColor is never populated in the bl ...
Sequencer in packaged VR project does not appear to work when using sequence player on begin play
UE - Anim - Sequencer - Sep 27, 2016Sequencer in packaged VR project does not appear to work when using sequence player on begin play. The HMD no longer appears to be affected by sequencer after the project has been packaged out ...
Geometry Material Alignment not functioning in 4.8
Tools - Jun 15, 2015Material Alignment on BSPs are not functioning in 4.8.0 Release. This is a regression from 4.7.6. The issue does appear to be fixed and functional in 4.9 (Promotable-CL-2581018) ...