Unreal Engine Issues
Unreal Engine Issues
Scrubbing material roughness value in MI causes large frame drops
UE - Rendering Architecture - Materials - Apr 30, 2022Add World Rotation applied to a Static Mesh simulating physics behaves erratically
UE - Simulation - Physics - Jun 28, 2022This is a regression. Tested in //UE4/Release-4.27 CL18319896 Add World Rotation applied to a Static Mesh simulating physics behaves erratically. ...
Structure variables in Child Blueprints do not maintain the default values set in their Parent Blueprints
UE - Gameplay - Blueprint - Jan 12, 2015Values changed to an inherited Struct variable in a Child Blueprint will be kept after compile, but any not changed will be set to 0s. ...
Emitter Delay Range will only recalculate each loop when Emitter Duration is checked True
UE - Graphics Features - Jan 12, 2015To have a Particle System use an Emitter Delay Range that is chosen on each loop of the emitter, you must have under Duration, Duration Recalc Each Loop set to True. ...
Non-Local Players Cannot Hear Opponents Footsteps in Shooter Game
Docs - Samples - Dec 31, 2015Non local players cannot hear opponents footsteps and other various notifies, however, other sounds such as gunfire, etc. are present. Regression: User reports this issue is not present in the 4.8 ...
Calling RestartGame Function causes a crash when exiting PIE
UE - Gameplay - Jul 7, 2015If the Restart Game function is called in blueprints or code then the editor will crash when exiting PIE [Link Removed] ...
On mouse up appears to be captured when hovering over a widget
UE - Editor - UI Systems - Apr 13, 2016Widget appears to take focus on mouse up and this appears to have functioned differently in earlier versions ...
Hide softkey feature in Galaxy S8 leads to input lag when trying to receive input into text box.
UE - Platform - Mobile - Jul 24, 2017Hide softkey feature in Galaxy S8 leads to severe lag/freeze when trying to insert character into textbox in UMG. This feature is updated for Global version(Mali) for now(7/24/17) So you might need ...
SkyLight is not affecting the volumetric fog
UE - Graphics Features - Lumen - Nov 24, 2022Looks like this behavior was working as expected until 5.1 Preview 2 ...
Visibility doesn't get effected by hierarcy levels
UE - Anim - Sequencer - Aug 11, 2025We use the hierarchy bias to override actions within subsequences. We can do that for transforms and control rigs, but the visibility track doesn't seem to obey the same rules. Attached is a video o ...