Unreal Engine Issues
Unreal Engine Issues
BP with Show 3D Widget enabled does not display the correct vector values in the bp editor
UE - Gameplay - Blueprint - Apr 7, 2015BP with Show 3D Widget enabled does not display the correct vector values in the bp editor. Note: If you don't see a difference at first, delete the bp in the level and place it again. The widge ...
Collision Channel on Particle Systems not saving
UE - Graphics Features - Oct 21, 2014Setting the Collision Channel to anything other than World Static will reset on closing and restarting the editor. ...
Removing Pose from Blend by Enum causes compile error with float defining blend time
OLD - Anim - Sep 16, 2015Removing Pose from a Blend by Enum node can cause compile errors when a float is defining all of the blend times. ...
Incorrect number of vertices displayed by ProfileGPU command in Cascade particles
UE - Niagara - Dec 9, 2021This issue was reported by the licensee, but it's possible that the number of vertices in the particles is higher than it really is. ...
Fixup Redirectors doesn't work in the editor
Tools - Apr 28, 2015Fixup Redirectors doesn't work in the editor when showing redirectors using the filter and then choosing Fixup. The maps that reference the redirectors aren't being checked out and fixed. I'm just g ...
Blackboard decorator node does not abort lower-priority nodes
UE - AI - Feb 16, 2026When a branch of a selector is deactivated, all auxiliary nodes and observer delegates are removed. If the branch is reactivated soon and the CurrentActiveNode remains unchanged, the behavior tree l ...
After calling Seamless Travel, actors in the level will not be in their original positions
UE - Networking - Dec 18, 2015After calling Seamless Travel, actors in the level will not be in their original positions. The example provided by the licensee had a different result: the actors, despite having Start Awake disabl ...
nDisplay - UMG widgets sync
UE - Virtual Production - nDisplay - Nov 9, 2019As soon as the widget was visible on the node/display at least once all nodes/displays receive the button press and correctly increase the counter. Therefore it seems like the widgets are only initi ...
Renaming a Blackboard Key removes it's references in the Behavior Tree
UE - AI - Jan 27, 2015Renaming a Blackboard Key removes it's references in the Behavior Tree ...
StructUtils plugin's `FInstancedStruct` in a CPP-defined struct in a `TArray` on an actor component defined in CPP and implemented in BP. Populating the instanced struct in an actor BP's class defaults breaks serialization of the class defaults.
UE - AI - May 30, 2025Context Instanced structs are great for holding simple data with the main advantage they have is a low memory overhead unlike instanced objects. Problem The problem is in StructUtils plugin's `FIns ...