Unreal Engine Issues
Unreal Engine Issues
If use with mesh particles or use with niagara mesh particles is checked in the Usage flag of the material and the material domain is set to volume, compile error will occur.
UE - Niagara - Jan 5, 2021[SM5] /Engine/Private/VolumetricCloud.usf(118,33-53): error X3018: invalid subscript 'VertexId' This is happening in VolumetricCloud.usf, but it seems that I can avoid the error by adding the follow ...
Building Packed Level Actors causes references to break in the Packed level Actors' Blueprints
UE - World Creation - Worldbuilding Tools - Level Instances - Oct 27, 2022This is not a regression. Tested in //UE5/Release-5.0 CL 20979098 Building Packed Level Actors causes references to break in the Packed level Actors' Blueprints. Rerunning the Build > Pack Level Ac ...
[AI] Stack overflow in canRemoveVertex of DetourTileCacheBuilder
UE - AI - Navigation - Sep 28, 2023User reports of stack overflow happening in canRemoveVertex in DetourTileCacheBuilder.cpp if a poly has more than 16 vertices. The array for edges is a fixed array and is written to without checking ...
SKP import - Mirrored groups will display with the default material in Keep Hierarchy imports
TM - Interoperability - Apr 10, 2025Reported in SF [Link Removed] SketchUp models containing grouped elements that are mirrored will incorrectly display these elements with the default material when imported using the Keep Hierarchy ...
NavMesh does not update properly when "Can Ever Affect Navigation" is toggled (For Static Meshes)
UE - AI - Sep 15, 2015This issue is related to [Link Removed] (which was fixed). However if the user creates a new actor and then adds a static mesh they can end up with permanent holes in their nav mesh. If the user tog ...
Event does not fire at end of playback range
UE - Anim - Sequencer - Aug 29, 2016Event does not fire at end of playback range. This does work with Forced Fixed Frame Interval Playback so wonder if this is invalid? I have some test content set up in //UE4/Main QAGame QA-Promoti ...
Crash on iOS loading into a scene with Media Framework assets
Media Framework - Sep 30, 2016Following launching a packaged Media Framework project, the application crashes. Different behavior is observed between iOS versions. When tested in 7.1.2, the video played in the scene for a few s ...
Grainy Material on Gun in FPS Template
UE - Graphics Features - Oct 14, 2016Load up a FPS template and move around. It appears the gun becomes grainy. This was tested on an NVIDIA Geforce GTX 980 Version 373.06 and a Quadro M4000. Also tested on a AMD Radeon R9 290 @ Rade ...
Editor Crashes after updating to 4.7.2
UE - Graphics Features - Mar 7, 2015Crash Reporter [Link Removed] User installed UE4, version 4.7.1 few days ago and I hadn't any problems with launching Unreal Editor. After upgraded the engine to 4.7.2 is getting crash every time ...
Widgets can no longer take focus after clicking somewhere other than the widget itself
UE - Editor - UI Systems - Jan 25, 2017Widgets can no longer take focus after clicking somewhere other than the widget itself. The input mode appears to change, but does not change back when clicking widgets Notes: -This issue did not a ...