Unreal Engine Issues
Unreal Engine Issues
Curl Noise Force Not Applying to Niagara Emitter
UE - Niagara - Jul 30, 2018Curl noise force will not affect a Niagara particle regardless of strength. Current work around is to disable then re-enable "apply forces" under "solve forces and velocity" Found in 4.20 CL# 4233 ...
Scaling actor along the Z Axis while the X and Y axis are set to 0.01 causes the Actor to stop rendering in the scene
UE - Rendering - Graphics Features - May 27, 2022This is a regression tested in //UE5/Release-5.0 CL18319896 Scaling a Static Mesh along the Z Axis while the X and Y axes are set to 0.01 causes the Actor to stop rendering in the scene once the Z ...
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 ...
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 ...
DumpShaderStats doesn't output any shader data
UE - Rendering - Architecture - Shaders - May 1, 2024The DumpShaderStats console command doesn't output any shader stats because the code to calculate that information in DumpShaderStats (Shader.cpp) is commented out https://github.com/EpicGames/Unrea ...
Additives using Frame From This Animation as the Base Pose Type fail to retarget correctly
UE - CAPT - Retargeting - Feb 13, 2025Additive animations that use a frame from their own sequence as a base pose are initially broken when retargeted. Users have to refresh the properties that select the base pose in order to fix the ...
UMG text does not update text when loading save game in real time
UE - Editor - UI Systems - Localization - Nov 25, 2015If a project is utilizing load/save game features and attempts to print that load/save game's text information to a text box in UMG, the text box will not update in real time. ...
Custom lighting channels ignored when object culled in stereoscopic
UE - Platform - XR - Apr 14, 2016When a light that uses lighting channels is only visible in one view during stereoscopic rendering, it affects the default light channel instead of the assigned one in the view that it's not visible ...
Pressing enter to confirm a function description instead enters a new line
UE - Gameplay - Blueprint - Sep 9, 2016Using Enter to accept the description of a blueprint function causes the cursor to return to a new line instead of accepting the current input. Regression: Yes - Pressing enter in 4.12 would accept ...
Mouse Position doesn't properly update on tick when framerate is low in standalone game
UE - Editor - UI Systems - Slate - Dec 11, 2015If a game is run in the standalone editor and the FPS drops to ~20-30 FPS, pressing an event such as LMB and returning the mouse position on tick will cause the tick to jump inconsistently. Note: ...