Unreal Engine Issues
Unreal Engine Issues
Preview Background Feature Removed From UMG In 4.13
UE - Editor - UI Systems - Sep 26, 2016Widget Blueprint no longer has "Preview Background" feature in 4.13. This is misleading since the documentation mentions to use this in the workflow here: https://docs.unrealengine.com/latest/INT/En ...
Crash in FLandscapeRenderSystem on Mobile
UE - Graphics Tools - Terrain - Landscape - Aug 4, 2021Similar issues have already been reported here for iOS [https://udn.unrealengine.com/s/question/0D52L00004vJelTSAS/crash-ios-in-flandscaperendersystemcomputesectionperviewparameters] and here [https ...
Animating the camera and character with LiveLink makes the character tremble
UE - Virtual Production - Mar 31, 2020GIF images are attached. The animation is smooth on the MotionBuilder side, but it is "slightly" wobbly in UE4. The licensee reports that the situation can be heavily shaken by the situation. Also, ...
Light function materials using WorldPosition do not render correctly to volumetric fog if there is more than one
UE - Graphics Features - Mar 27, 2023There is a one-line fix for this in a shader file, see their PR on GitHub:https://github.com/EpicGames/UnrealEngine/pull/10251/files ...
Level Sequence Actor- bTickWhenPaused is unsettable from the details view
UE - Anim - Sequencer - Aug 1, 2024See UDN here: https://udn.unrealengine.com/0D5QP00000TtFaV0AV?fromCase=1 The issue is that in FMovieSceneSequencePlaybackSettings, the TickInterval struct is marked with an EditCondition to only be ...
PlayerStart in LevelInstance are not loaded early enough in PIE as Standalone/Listen
UE - World Creation - Worldbuilding Tools - Level Instances - Aug 8, 2023Non-spatially loaded actors in a Level Instance are not embedded properly when entering PIE. This issue does not happen in a cooked build. ...
SSR Does Not Work On Mobile or Mobile Preview
UE - Platform - Mobile - Mar 7, 2017In our Docs page SSR is listed as compatible with mobile here: https://docs.unrealengine.com/latest/INT/Platforms/Mobile/PostProcessEffects/ While testing this doesn't seem to be the case so either ...
Memory leaks at changing lighting scenarios
UE - Rendering - Architecture - RHI - Aug 26, 2020The engine does not free the LevelRenderAssetManagers array elements in FRenderAssetStreamingManager when changing lighting scenarios. Following code can avoid this issue. void FRenderAssetStre ...
Intel HD Graphics 4600 driver crashes while in Blueprints
UE - Graphics Features - Jul 20, 2015No Crash Report availalble. User reports that he gets a Windows message (not UE Crash report) that the drivers for his Intel HD Graphics 4600 card have crashed when opening blueprints -But not the ...
Nanite static mesh components are not individually highlighted when selected
UE - Rendering - Features - Nanite - Apr 30, 2024Non-nanite static mesh components still show an individual highlight outline which individually selected even with other non-nanite static mesh components in the same actor. This is different when t ...