Unreal Engine Issues
Unreal Engine Issues
SetActorLabel() is slow on Landscapes
UE - Graphics Tools - Terrain - Landscape - Jan 7, 2025I've noticed calling SetActorLabel() on a Landscape will call PostEditPropertyChanged() which causes the Landscape Components to regenerate all collisions. As per the repro, this can take a long tim ...
Cannot export a Datasmith scene to the Unreal Engine project root folder on MacOS.
TM - Interoperability - Oct 29, 2024This is mac specific. I could do the export normally on Windows with the same Twinmotion CL and UE version (5.5 preview). It is also a regression specific to 5.5, since I've been able to export a d ...
Painted Vertex Color on Meshes in BPs do not save when Movie is generated from Matinee
Tools - Jun 16, 2015When you render out a movie from a Matinee, the painted Vertex Colors on a Blueprint does not render, the meshes in the Blueprint revert to imported vertex color. Also Reproduced in 4.8.0 and Main ...
Importing Mesh with "Import Animations" enabled crashes editor.
OLD - Anim - Nov 13, 2015After importing a mesh with "Import Animations" enabled the editor crash's. Importing only the mesh does not crash the engine. Importing animation separately and assigning to Skeletal mesh on import ...
Light Shaft Occlusion causes exponential height fog to render incorrectly in stereoscopic
UE - Platform - XR - May 26, 2016Enabling Light Shaft Occlusion causes exponential height fog to render incorrectly at certain viewing angles in stereoscopic. This does not reproduce once light shaft occlusion is turned off on the ...
On Mac OSX Open Asset (Command + P) Does not function as Expected
UE - Platform - Apple - May 5, 2016On a Mac running either Yosemite or El Capitan, when you go to open an asset either through the menu: File>Open Asset or Command + P, when the pop-up window appears and you start typing, the window ...
Modules with Emitter Life functioning incorrectly
UE - Graphics Features - Jan 7, 2016Setting the Emitter Time module with an emitter that is not set to loop will result in an incorrect render of the particles past the emitter duration. Emitter Duration set to 3 seconds:[Image Remov ...
Project World Location To Widget Position node appears to return the wrong screen position when Constrain to aspect ratio is enabled
UE - Editor - UI Systems - Dec 2, 2016Project World Location To Widget Position node appears to return the wrong screen position when Constrain to aspect ratio is enabled. Enabling Constrain to aspect ratio appears to offset the widget ...
Vehicle wheels have no collision on HTML5
UE - Platform - Mobile - Dec 2, 2016A Wheeled Vehicle's wheels do not have collision when packaged into an HTML5 game. Regression?: Yes This issue did not occur in 4.13.2 Note: This is currently blocked from testing in Main as the P ...
Crash when a material with a texture parameter is deleted when it has instances with static permutations
UE - Graphics Features - Dec 28, 2016This was the simplest solid repro I could get on this bug. The callstack is similar to [Link Removed] Also came across several Shader Compiling Manager crashes while attempting to repro this crash ...