Unreal Engine Issues
Unreal Engine Issues
Blueprint Functions with a Parameter Named "Category" Will Change the Functions Category Back to Default
UE - Gameplay - Nov 19, 2018When creating a Blueprint Function under a non-default category, if you name one of its parameters "Category" the function will be moved back to the default category. This is working as expected in ...
Graph Editor ZoomToFit fighting user
UE - Editor - UI Systems - Slate - Oct 22, 2019When using the middle mouse button for panning in a graph editor, the zoom/pan transition effect will not cancel before completion due to manual input, leading to UI/User competition in an undesirab ...
Control rig blueprint spawns with Event Graph rather than Rig Graph when 'Spawn Default Blueprint Nodes' is false
UE - Anim - Rigging - Control Rig - Jun 7, 2021It seems that disabling the 'Spawn Default Blueprint Nodes' editor preference results in control rig blueprints being created with event graphs rather than rig graphs. It doesn't appear to be possi ...
Oculus Quest Link with OpenXR fires action events multiple times when multiple action events are bound to the same key
UE - Platform - XR - Jul 14, 2021From a developer: If the same key is mapped to N action events all the mapped events fire N times. This issue only exists with the OpenXR plugin enabled and does not occur for any keyboard/mouse i ...
UEditorValidatorBase::ValidateLoadedAsset() is not using the K2_ValidateLoadedAsset() output, effectively ignoring the Blueprint validation
UE - Editor - Content Pipeline - May 1, 2025UEditorValidatorBase::ValidateLoadedAsset() is not using the K2_ValidateLoadedAsset() output, effectively ignoring the Blueprint validation. The K2Result is not used later in the function, and this ...
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 ...
Trigger class bp doesn't recognized custom Object Collision settings for overlap
UE - Gameplay - Sep 11, 2015Trigger class bp doesn't recognized custom Object Collision settings for overlap User Description: When I place a trigger box in the world it blocks the player. I have it setup up so that the pla ...
Object type variable isn't accepted by Construct Object node
UE - Gameplay - Blueprint - Aug 15, 2017REGRESSION: Technically a regression from 4.16 Object variables aren't accepted by Construct Object class, even if the value is set to an Object blueprint. The following error is generated:Cannot ...
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 ...