Unreal Engine Issues
Unreal Engine Issues
The GetCombinedForces put out wrong value when the vehicle is reversing
UE - Simulation - Physics - Aug 19, 2022Reproduced 3/3 times. A similar bug occurred with PhysX ([Link Removed]) Check the function: FVector FSimpleAerodynamicsSim::GetCombinedForces(float VelocityIn) if the velocityIn is negative, th ...
Meshes often render or flicker black in one eye on OSVR
UE - Platform - XR - May 6, 2016Found on: //UE4/Dev-VR CL-2967563 Often, meshes will render completely black in one eye on the OSVR. This seems to affect close meshes more frequently than far away ones. Sometimes the meshes flick ...
Early Z-Pass no longer works
UE - Graphics Features - Jun 11, 2019Since 4.22.2, the Early Z-pass flags are being ignored, resulting in the number of draw calls to increase. Tested in 4.21.2 (CL - 4753647), 4.22.2 (CL - 6574378), 4.23 (CL - 6925347) ...
Long Load Times With PIE When Using Tessellation On Landscapes
UE - LD & Modeling - Terrain - Landscape - Sep 24, 2019When having large landscapes with a tessellated material, loading time after hitting Play in Editor is much longer than in 4.22. Found in 4.23 CL# 8386587 and 4.24 CL# 8971176 Working as expected ...
Hit Box components created by listen server at runtime won't replicate
UE - Networking - Nov 17, 2022Reproduced 3/3 times. Issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. This is By Design. Replication for actors is disabled by default, and need to be enabl ...
Perforce Version Control visually appears to allow deletion of locked files in Content Browser
UE - Editor - Workflow Systems - Nov 23, 2022Repro Rate: 3/3 This issue was reproduced in //UE5/Release-5.1 at CL 23058290. This is confirmed to not be a regression since the error also occurs on the previous live version. This is regression ...
Using "Watch This Value" on Pawn causes memory leak
UE - Gameplay - Blueprint Editor - Dec 1, 2022Reproduced 3/3 times, issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. No memory leak occurs when watching a new blank Actor BP, which implies the root cause ...
Niagara Using a VAT has Intense Motion Blur
UE - Niagara - Jun 3, 2019Niagara mesh particle using a VAT has Intense Motion Blur. Found in 4.22 CL# 6574378 and 4.23 CL# 6763247 Unable to test this in 4.21 and 4.20 as the project provided with assets needed was made i ...
Ray Tracing Translucency - Sample settings have no effect
UE - Graphics Features - Lumen - Oct 15, 2020Ray tracing translucency samples per pixel settings have no visible effect. Reported and tested in version 4.25.3(CL 13942748). Tested and found in versions 4.25.3 and 4.26.0 Preview 2(CL 14419252 ...
Lyra standalone game instance crashes when Player #2 equips new weapon
UE - Gameplay - Input - Apr 5, 2022Discovered while testing Lyra project for //UE5/Main - Foundation Shelf - FAssetDataGatherer Stall Fix Smoke. This issue is NOT dependent on the shelf and occurs without the unshelved files. This ...