Unreal Engine Issues
Unreal Engine Issues
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. ...
[AI] StateTree Category = Input validation doesn't validate child properties
UE - AI - StateTree - Oct 10, 2025Normally if you have a property in your state tree instance data of the input property(Category = Input), when you compile the state tree, you will get errors if the property does not have a binding ...
Sequencer Crash when Hovering over Binding Properties on a Component with Spaces in its Name
UE - Anim - Sequencer - Nov 7, 2025Crash when binding to new components that have spaces in their name and you attempt to access their bindings. ...
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 ...
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 ...
Random Stream variables in the GameMode are reset every PIE
UE - Gameplay - Blueprint - Jul 6, 2015Random Stream variables in the GameMode are reset every PIE. Workaround is to use Set Random Stream Seed before using the Stream value. Reproduced in 4.7.6, 4.8.1, and Main (//depot/UE4/Promotable ...
Full Scene Importer resets overrides when reimporting asset
UE - Editor - Content Pipeline - Import and Export - Jul 5, 2016When using the Blueprint Hiearchy Type for creation on the Full Scene Importer if you've previously imported and set some of the settings like the Override Lightmap Resolution via the BP and then re ...