Unreal Engine Issues
Unreal Engine Issues
Updating project modules causes custom blueprints to lose reference to parent class
UE - Gameplay - Blueprint - Jul 7, 2016When changing the name of a module or creating a new module, updating the _API of a class to the new module will cause blueprints based on this class to lose reference ...
Editor memory leak when Actor's string variable contains characters close to/exceeding a million bytes
Tools - Dec 19, 2018Editor memory leak occurs when Actor's String Variable contains Characters(Char) close to/exceeding a million bytes ...
Level Instance: failed check in duplication code when embedding
UE - World Creation - Worldbuilding Tools - Level Instances - Aug 2, 2021Mentioned in this UDN is the possibility that duplication of some actor fails because their BP as been deleted. ...
The drawing order of widgets becomes wrong when GlobalInvalidation is enabled,
UE - Editor - UI Systems - Slate - Nov 26, 2021When trying to create a widget with specific steps, the drawing order may not be correct. This is not reproduced when Global Invalidation is disabled, and the state can be restored. This issue is pr ...
Using HISM with Density Scaling enabled throws an Ensure when Foliage Quality is lowered
UE - Graphics Features - Apr 5, 2022Using HISM with Density Scaling enabled throws an Ensure when Foliage Quality is lowered. ...
Opening Editor preferences window while simulating and pressing Play/Stop causes memory leak
UE - Foundation - Core - EditorLoader - Feb 3, 2020An open but minimized Editor Preferences window causes a memory leak while simulating and repeatedly pressing Play/Stop. ...
NDisplay hangs and stops responding on cluster event send
UE - Virtual Production - nDisplay - Nov 12, 2019"The test event is set up using the default CE port, but every time an event is sent through the launcher the display receives the input and processes it, however the launcher will "hang" and stop ...
Sequencer based Camera Shake throws an assertion when spammed
UE - Anim - Sequencer - Apr 7, 2022Activating a Sequencer based Camera Shake repetitively results in an assertion being thrown. Assertion failed: DestAllocationIndex != SourceAllocationIndex [File:D:\build\++UE5\Sync\Engine\Source\R ...
When loading a new level, a variable of the subclass of type is reset to null in the classes inherited from UGameInstance or UGameInstanceSubsystem
UE - Foundation - Data Pipeline - Cooker - Dec 1, 2022Reproduced 3/3 times, issue does not occur in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed Regression. It's only in packaged & quick launched builds that this occurs; PIE works as normal. ...
Level Object value is lost when a new level is loaded using the same BP
UE - Gameplay - Blueprint - Dec 2, 2021First discovered this on Linux in //UE5/Main. In the repro, you play from level 2; if you opened Level 1 and played from there, the same outcome would occur. LogNet: Warning: Travel Failure: [Clien ...