Unreal Engine Issues
Unreal Engine Issues
Line trace fails to detect Destructible Mesh
UE - Simulation - Physics - Destruction - Jun 15, 2015When using a line trace in the construction script so that objects can return a value destructible meshes will not return a hit. This does not affect use in game with PIE or Standalone game, but if ...
Changing transform of simulated component during physics freezes motion
UE - Simulation - Physics - Oct 13, 2016If something is executed before a SetActorRotation node on Tick inside of a SceneComponent class BP and then added to an Actor class BP, the physics will lag User Description: When using set rotat ...
Precomputed Visibility no longer calculated on Landscapes
UE - LD & Modeling - Terrain - Landscape - Jun 24, 2015Placing a Precomputed Visibility Volume around or through a landscape does not seem to calculate precomputed visibility for that landscape. This is a regression from behavior in 4.7.6. Also Tested ...
[3ds max] Some geometry will display in all black in Path Tracer renders
UE - Editor - Content Pipeline - Datasmith - Exporters - Dec 12, 2025Reported in SF [Link Removed] Some geometry from 3ds Max will display as all black when viewed in Path Tracer rendering. This effect is visible in both UE and Twinmotion. This was tested with Data ...
Cannot resize comment box when new comment is created on top
UE - Rendering - Architecture - Materials - Apr 27, 2017Cannot resize comment box when a new comment is created on top. The resizing affects the bottom right corner. This issue is dependent on how the comment is added if comment 1 is highlighted and a ne ...
Bulk Edit via Property Matrix menu is not appeared for Materials in Content Browser on 4.8
UE - Editor - Content Pipeline - Content Browser - May 20, 2015Bulk Edit via Property Matrix menu is not appeared for Materials in Content Browser on 4.8, but 4.7 can show and edit with Property Matrix. Screenshot: attached. ...
Number of Frames in Animation Change on Import When the Frame Rate is Set to 30 or 60 in Maya
Tools - Feb 12, 2018-When imported into 4.17.2 the 30fps animation had 42 frames. In any engine version after the animation has 17 frames -The 60 FPS animation only has 7 frames in all engine version ...
Garbage Collection crash on Compile attempt
UE - Foundation - Core - Nov 6, 2015Attempting to compile anything in the editor (blueprint, widget, level bp, etc) will cause the editor to crash. Project Link: [Link Removed] Crash Reporter: [Link Removed] Note This has only been ...
Traces to Spawned Destructible Mesh Actors returning inconsistent results
UE - Simulation - Physics - Destruction - Jun 18, 2015When spawning an Actor containing a Destructible Mesh and immediately doing a sphere trace to that actor, upon repeated spawns you will get False results for some time then True results for a while ...
D3D Device Lost 'HUNG' crash in FD3D11Viewport::PresentChecked
UE - Graphics Features - Oct 31, 2016This is a new D3D crash affecting multiple users in 4.14 Preview 1. It is currently the #1 crash in the Preview. Information provided by users:Just pressed create project...Openning QA Game with - ...