Unreal Engine Issues
Unreal Engine Issues
GenerateVisibileRayTracingMeshCommands Severely Reduces Foliage Performance Even if no RayTracing is Used
UE - Graphics Features - Lumen - Sep 18, 2019GenerateVisibileRayTracingMeshCommands Severely Reduces Foliage Performance Even if no RayTracing is Used. Found in 4.23 CL# 8386587 and 4.24 CL# 8748719 ...
Texture asset only exportable as .COPY and .T3D
UE - Editor - Content Pipeline - Import and Export - Dec 13, 2019Export for certain marketplace asset limited to .COPY and .T3D (and .BMP in 4.24) I was unable to reproduce this with a texture that I created even with Grayscale / sRGB disabled. ...
Difference in Shader Complexity view mode between Static Mesh and Painted Foliage Actors after Enabling 'Dbuffer Decals' in Project Settings
UE - Graphics Features - Oct 19, 2016The 'Shader Complexity' view mode is rendering differently between regular Static Meshes and Painted Foliage instances after enabling 'DBuffer Decals' The user is reporting that this does not seem ...
Sequencer Export to FBX file framerate is always 30fps, regardless of playback rate in Sequencer
UE - Anim - Sequencer - Apr 24, 2020This issue can cause problems for developers who are operating at framerates that aren't 30fps (eg 24). In Sequencer: [Link Removed] In Maya: [Link Removed] ...
Editor stalls on Mac after key up, mouse up
UE - Platform - Apple - Dec 19, 2019UDN user reported a performance hit on Mac with the latest Hotfix release when the user is interacting with the editor either through keyboard or mouse input. This performance hit is noticeable whe ...
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 ...
Drag and Drop Operations Don't Work Correctly When "Render on Phase" Is Enabled In a Retainer Box
UE - Editor - UI Systems - Slate - Jan 31, 2020Drag and drop operations don't work correctly when "Render on Phase" is enabled in a retainer box. When "Render on Phase" is disabled the drag and drop operations work as expected. In 4.23.1 the dr ...
Vertex Interpolator causes depth-test to fail
UE - Graphics Features - Apr 23, 2020Vertex interpolator (semi-randomly) causes visual artifacts on meshes. This did not happen initially when using or creating this material function but started about 24 hours later but now happens st ...
Cloud Presenter - Presentations with phasing may display all phases at once immediately after launch
TM - Tools - Oct 11, 2024Some Presentations containing Phasing will display all phases simultaneously in the Twinmotion Cloud after the Presentation is launched. Issue is consistently reproducible for affected Presentati ...
Sub Instance Root Motion issues
OLD - Anim - Dec 10, 2019Using multiple Sub instances with root motion does not behave as expected. With both the parent and sub instances set to 'Root Motion from Everything': In 4.22, too much root motion occurs. In ...