Unreal Engine Issues
Unreal Engine Issues
Editor Crash When Using FRequestPlaySessionParams GlobalMapOverride To Load World Partition Map
UE - World Creation - Worldbuilding Tools - Data Layers - Dec 6, 2024The licensee has been using a custom CVAR to launch directly into PIE for a world partition level. Since updating to 5.4, this now causes an editor crash. The main factor appears to be whether or no ...
UserSceneTexture Post Process Material Renders Incorrectly When ScreenPercentage is Below 100
UE - Graphics Features - Dec 17, 2024When using a UserSceneTexture in a post-process material, a visible rendering issue occurs if the viewport's ScreenPercentage is set to below 100. This issue looks like it might stem from an incorre ...
AfterMotionBlur Translucent Material With Local Exposure Enabled Causing Artifacts
UE - Graphics Features - Feb 20, 2025When TSR is enabled, translucent materials using the AfterMotionBlur translucency pass cause visual artifacts when local exposure is active. The artifacting is believed to occur because the local ex ...
LastRenderTime does not update when Occlusion Culling is disabled
UE - Graphics Features - Feb 25, 2025When disabling Occlusion Culling, Components will not have their Last Render Time updated. ...
Stationary light shadow are occluded for additional players in split-screen mode
UE - Graphics Features - Jun 17, 2015When using split screen multiplayer the second or more players that are added for split screen will have their characters shadows occluded when the bounds are not within view of player 1. Setting ...
Editor crashes if opening a sublevel containing a navmesh when persistent level is open
UE - AI - Sep 8, 2015If the persistent level is open and a user attempts to open a sublevel that contains a navmesh, the editor will freeze and then crash. Frequency: 3/3 Crashreporter: N/A ...
Get array node will disconnect on restart if it's getting from an array variable of the same bp
UE - Gameplay - Blueprint - Jun 18, 2015Get array node will disconnect on restart if it's getting from an array variable of the same bp. User Description: I have connected GET and Target, then saved and closed the editor. Then I created ...
Post Process Ambient Cubemap Tilted
UE - Graphics Features - Nov 11, 2014User imported a custom image in the correct format to be used as an Ambient Cubemap within the Post Process Volume. Enabled detailed lighting mode by pressing Al+5 and the image has been tilted/of ...
Moving or changing the name of a project's GameInstance will switch the Game Instance Class to None and crash launched games
UE - Foundation - Core - Nov 26, 2014If the GameInstance set in Project Settings > Maps & Modes > Game Instance Class is renamed or moved to another folder, the Game Instance Class is switched to None. This causes a launched game to cr ...
UMG: Crash When playing an animation with the Same Name as a Widget
UE - Editor - UI Systems - Feb 22, 2016Editor crashes when a UMG widget (Text block, whatever) and an animation track share the same name and the animation is played. NOTE: The Editor will not allow you to name a Widget the same as an a ...