Unreal Engine Issues
Unreal Engine Issues
Parent Begin Play node does not appear to run the parent code class BeginPlay() function before the rest of the Blueprint's Begin Play functionality
UE - Gameplay - Blueprint - Feb 19, 2015If a Blueprint event graph contains a Begin Play node that connects to a call to the parent function, the functionality present in the Blueprint Begin Play segment is run before the parent Begin Pla ...
The OnUnPossess() method of the AAIController class is triggered twice
UE - AI - Apr 21, 2020The OnUnPossess() method of the AAIController class is triggered twice ...
Changing root component in C++ does not apply correctly to map placed actor instances
UE - Gameplay - Jan 4, 2023Edit: Please investigate for not only root component changes, but native component hierarchy changes in general and whether those hierarchy changes apply to actor instances saved as part of maps. O ...
Some post-processing passes sample outside of the viewport when using scene capture components
UE - Graphics Features - Nov 29, 2023It looks like the SSAO shader does not clamp its sample space to the half view size for the two inputs "Ambient Occlusion" and "AmbientOcclusionSetup", leading to invalid data entering the edge of f ...
Scene Capture 2D will default back to View 0
UE - Graphics Features - Oct 8, 2015The scene capture will revert back to the Character BP that is placed in the level when player 2 is not moving. When they are moving the scene captuer will show correctly. You can get around this ...
Gamepad button press and hold does not hold focus
UE - Editor - UI Systems - May 25, 2017When using a gamepad (Tested with an X-box 360 Controller) if you press and hold a UMG button down and then use the D-pad or another form of movement the currently pressed widget component (In the t ...
Does Container Match Tag Query Node doesn't find existing Gameplay Tags in Packaged Project with Nativized Blueprints
UE - Gameplay - Aug 26, 2019When using the "Does Container Match Tag Query" node doesn't return true when a gameplay container member has the searched for gameplay tag in a blueprint that has been nativized. Packaging in Excl ...
bIgnoreAllPressedKeysUntilRelease behaves differently for triggers in EnhancedInputAction and triggers in InputMappingContext
UE - Gameplay - Input - Aug 10, 2023For actions that are triggered on the Input mapping context, simply adding or removing an InputMappingContext with no related key override with the bIgnoreAllPressedKeysUntilRelease option will caus ...
EnumRedirections from a Blueprint enum to a c++ enum does not redirect everything correctly.
UE - CoreTech - Aug 20, 2024There is an engine bug when using the EnumRedirects feature inside a config file. If we have a Blueprint Enum used in our blueprints, and we want to convert all the Blueprint enum references to a C+ ...
Physics constraint component doesn't work when placed inside a child actor, while using world partition and streaming is enabled
UE - Simulation - Physics - Mar 21, 2025Context: In a World partition level, to reduce complexity and provide a scalable solution when creating new projects, grid cell streaming can be enabled. Problem: The problem is that physics constr ...