Unreal Engine Issues
Unreal Engine Issues
The AABBTree spatial acceleration structure goes off-sync when physics substepping is enabled in a "low" framerate environment.
UE - Simulation - Physics - Mar 15, 2024When you enable the physics substepping, if you run the console command p.Chaos.Solver.DebugDrawSpatialAccelerationStructure 1, you can see how does not follow the physical object. The user that rep ...
Clear Coat looks incorrect in the Preview when Energy Conservation on Material is enabled for non Substrate rendering
UE - Rendering Architecture - Materials - Apr 11, 2024Enabling Energy Conservation on Material makes Clear Coat Material look weird in Preview. It looks fine in the Level Editor, but not in any "Preview" type viewport (Material Editor, Asset Thumbnails ...
Stationary light shadow are occluded for additional players in split-screen mode
UE - Graphics Features - Jun 17, 2015When using split screen multiplayer the second or more players that are added for split screen will have their characters shadows occluded when the bounds are not within view of player 1. Setting ...
Editor crashes when assigning Landscape layer info while Forward Shading is enabled
UE - LD & Modeling - Terrain - Landscape - Nov 7, 2017Crash occurs when Forward Shading is enabled in Forward Rendering Options User noted that if "Support Stationary Skylight" in Project Settings > Rendering > Shader Permutation Reduction is disabled ...
5.3 crashes when loading a map with an actor that had the class of one of its components changed
UE - Gameplay - Components - Feb 1, 2024Create a blueprint based on actor, give it a SceneComponent named ExampleComp (BP_TestActor) - this should be the blueprints only componentCreate a new level (TestMap), place an instance of the bluepr ...
Linux Native Toolchain depends on libninfo5 which is not bundled
UE - Platform - Linux - Sep 6, 2019libtinfo.so.5 => /lib/x86_64-linux-gnu/libtinfo.so.5 (0x00007fc27cf4d000) bschaefer@bschaefer-Precision-T7600:bin$ ldd ./clang linux-vdso.so.1 => (0x00007ffceefe3000) libpthread.so.0 => /lib/ ...
Update Mesh Section incorrectly sets vertex colors for a Procedural Mesh
UE - Graphics Tools - Modeling Tools - Jun 21, 2022This is a regression tested in //UE4/Release-4.27 CL#18319896 Update Mesh Section incorrectly sets vertex colors for a Procedural Mesh. The closer a colors R, G, or B value is to 1.0 or 0.0 the mor ...
Crash when destroying a pawn on the client
UE - Networking - Jul 6, 2015Crash when destroying a pawn on the client. Reproduced in 4.8.1 and Main (//depot/UE4/Promotable-CL-2610743). This is a regression: the crash does not occur in 4.7.6 Crash Report: [Link Removed] ...
Vulkan with Forward Shading & MSAA Crashes
UE - Graphics Features - Dec 23, 2019Projects crash when the following Project Settings are set: • Vulkan is enabled • Vulkan is the Default RHI • Forward Shading is enabled • AntiAliasing Method is set to MSAA The different engine ve ...
Editor crashes on blueprint open when shortcut key is implemented through code
UE - Gameplay - Jun 7, 2017Editor crashes on blueprint open when shortcut key is implemented through code inside of the BaseEditorPerProjectUserSettings.ini. Code used in repro is directly from Jeff W suggestion in the forum ...