Unreal Engine Issues
Unreal Engine Issues
Lighting Channels Do Not Function with 78+ Lights on Actor
UE - Graphics Features - Oct 20, 2017Lighting channels do not function when the number of lights affecting actors is 79 or higher. Any number of lights that is 78 or fewer will honor lighting channel assignments. ...
Screen Aligned(Velocity) particles deform at low velocity
UE - Niagara - Nov 22, 2019Screen aligned particles with very low velocity will squash in 4.23+ (No squashing in 4.22) Confirmed in 4.25 MAIN at CL 10333042 ...
Resetting the RGB values of a Sky Atmosphere's Absorption
Tools - Nov 27, 2019Resetting the RGB values of the Absorption to a Sky Atmosphere using the 'reset to default' arrow still appears after pressed. Tested in: 4.25 CL#10387577 ...
VR Preview + Wireframe View Mode = Wireframe only in Left Eye
UE - Platform - XR - Dec 16, 2019Wireframe View mode only rendering in Left Eye. Was working pre rendering-refactor (4.21) Confirmed in 4.25 MAIN @ CL 10730208 ...
A repainted cloth mesh continues to use previous paint job and does not update
UE - Simulation - Physics - Character - Dec 20, 2019Cloth mesh reverts back to original painted mesh after editing Tested: 4.23.1 CL#9631420 4.25 CL#10730208 ...
MAC rect light does not use assigned source texture
UE - Platform - Apple - Jan 30, 2020Rect light does not use its assigned source texture on MAC OS. Tested in: 4.23.1 CL#9631420 4.25 CL#11062379 ...
Ensure when changing to MSAA with Forward Shading enabled - Entry.RenderTarget->GetNumSamples() == NumSample
UE - Rendering Architecture - RHI - Dec 2, 2020DID NOT OCCUR IN BP FPS PROJECT - might be ContentExamples specific This issue does not occur when forward shading is disabled. This is not a regression as the same issue is hit in 4.25.4 ...
Setting Texture Object within Niagara fails to update texture
UE - Niagara - Jan 11, 2021Based off of a saleforce ticket, it seems that reinitializing a niagara system with an updated texture, the texture does not update. The setup works correctly in 4.25, so marking as a regression. ...
When Niagara is set to DesiredAge in Sequencer, the processing load increases after play
UE - Niagara - Cinematics - Jun 3, 2021This does not happen in 4.25.4. It has been confirmed to occur with 4.26.2 and UE4main. After playback is complete, a large amount of stalls can be seen in Insight. ...
NPC - Texture Sample DI does not work on Niagara Parameter Collections
UE - Niagara - Nov 8, 2023Texture sample DIs no longer work when used with Niagara Parameter Collections. This seems to affect Volume Texture DIs based on customer reports, but I have not confirmed this. ...