Private functions can be overriden in the "My Blueprint" tab

UE - Framework - Blueprint Editor - Apr 29, 2022

Discovered 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 ...

Lyra animation stutter when character moves from side to side

UE - Content - Sample - Nov 21, 2022

When moving in Lyra side to side using the B_Hero_ShooterMannequin as the player character, the animation will noticeably stutter whenever you change the direction of the movement. I repro'd this 3/ ...

Transform variable values in a Control Rig cannot be copied or pasted onto

UE - Anim - Rigging - Control Rig - Nov 29, 2022

When trying to copy/paste values from anything to a Transform variable's values, it will not happen. Additionally, you cannot copy/paste anything from a Transform variable. I repro'd this 3/3 times. ...

CommonUI uses cached geometry that might be zero sized for gamepad focus

UE - Editor - UI Systems - Jan 11, 2023

Reproduced 3/3 times, issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. Workaround for issue is to have a text box in the vertical box before any buttons; fir ...

Blueprint Nodes no longer Grid Snap to straight lines

UE - Framework - Blueprint - Feb 13, 2023

5.0:[Link Removed] 5.3:[Link Removed] Attached is a video of the two screenshots overlaid and lined up by their top edges. It appears that the Begin Play node (and others?) have more padding now, w ...

UMovieSceneTrackInstance::GetWorld() does NOT work properly in Editor

UE - Anim - Sequencer - Mar 28, 2023

UMovieSceneTrackInstance::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 ...

Window to select Skeletal Mesh does not pop up when editing a new IK asset

UE - Anim - Rigging - Retargeting - Apr 26, 2023

When opening a new IK rig, the window that prompts the user to select a skeletal mesh does not open immediately. However, a skeletal mesh can still be selected in the details panel in the IK window. ...

Invalidation panels can retain stale hittest data when caching is disabled/enabled

UE - Editor - UI Systems - Slate - Aug 20, 2024

Changes 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, 2025

This 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 ...

geometry script AppendSimpleSweptPolygon can crash if called with empty path

UE - Graphics Tools - Modeling Tools - Apr 26, 2022

geometry script "Append Simple Swept Polygon" crashes if called w/ an empty path (but non-empty cross section polygon) ...