Unreal Engine Issues
Unreal Engine Issues
Private functions can be overriden in the "My Blueprint" tab
UE - Framework - Blueprint Editor - Apr 29, 2022Discovered during investigation of [Link Removed]. This is happening because we are not filtering out private parent functions in SMyBlueprint::BuildOverridableFunctionsMenu. With any fix that is ...
UMovieSceneTrackInstance::GetWorld() does NOT work properly in Editor
UE - Anim - Sequencer - Mar 28, 2023UMovieSceneTrackInstance::GetWorld() returns nullptr on Editor, so user can't use any function using WorldContext and Subsystem. The following code change may fix this issue UWorld* UMovieSceneTra ...
Invalidation panels can retain stale hittest data when caching is disabled/enabled
UE - Editor - UI Systems - Slate - Aug 20, 2024Changes to the hit test grid of an invalidation panel while caching is disabled won't be respected when caching is reenabled. This can cause interactive widgets such as buttons who were set to colla ...
Dataprep crash
UE - Editor - Content Pipeline - Visual Dataprep - Apr 16, 2025This question was created in reference to: [Link Removed] Last post fixed the import crash, but it seems it added another. If we hit Execute button twice in a row by mistake we get a crash with th ...
Moving the file location of the Editor Startup map appears to break the reference to the startup map
Tools - Nov 10, 2016Moving the file location of the Editor Startup map appears to break the reference to the startup map. The editor fails to find the map and so does not use it for the start up map. Notes: In the ...
Manipulating Morph Target on Master Component distorts Slave Components
OLD - Anim - Apr 1, 2016Manipulating Morph Targets on Master Component distorts Slave Components. It makes no difference if the slave component has the morph target being manipulated in the master See attached image and ...
Dark Artifacts Appear On Meshes With "Use As Occluder" After Enabling DBuffer Decals
UE - Graphics Features - Feb 13, 2017Objects set to "us as occluder" will create dark artifacts from certain view angles. For this to occur "DBuffer Decals" need to be enabled in the project settings. The licensee has noted that addi ...
Crash upon editing a GameplayTagQuery inside of a DataAsset
UE - Gameplay - Oct 27, 2017When a GameplayTagQuery variable is edited from inside of a DataAsset, the editor crashes when the changes are saved. This could be related to a bug that was fixed previously: [Link Removed] Regres ...
UI transparency breaks when dragging a game window around the screen
UE - Editor - UI Systems - Nov 20, 2017When a game window launched from UE is moved around the screen, any transparent elements on the screen will turn fully opaque. The loss of transparency also causes some text to become blurry. This d ...
Frame 0 event does not get triggered when using SetPlaybackPosition
UE - Anim - Sequencer - Apr 17, 2018An event at frame 0 of a sequence does not seem to get called when using "SetPlaybackPosition 0" to reset the playback position to the start. This seems to be a regression. 4.17.2, the frame 0 even ...