Unreal Engine Issues

Children of Retainer Box cannot be interacted with when visibility is set to "Self Hit Test Invisible"

When there is a Retainer box with the visibility set to "Self Hit Test Invisible" and has children, the children cannot be interacted with. Children such as a button cannot be clicked. This issue c ...

Dataprep Import Causing Unloaded Stream Levels to Reappear in Editor

Expandable Area does not respect scrollbox boundaries unless set to fill

There is an issue where Expandable Area does not respect scrollbox boundaries unless set to fill. This occurs when the scrollbox is a child of another component. This issue does not appear to be a r ...

Float Curve evaluation may yield completely wrong results due to floating-point precision issue

Note: This is possibly related to [Link Removed]. For some inputs, function UE::Curves::WeightedEvalForTwoKeys() inside file "CurveEvaluation.cpp" can incorrectly return the value of the first key, ...

Debug values not updated for parallel eval Animation BPs

The watched values of a level instanced ABP do not update if a.ParallelAnimEvaluation is enabled. ...

Mouse Not Functioning Correctly with Multiple Displays Connected to Mac

When using mutliple monitors connected to a Mac the mouse behavior does not function well. Attempting to navigate and drag windows to and from individual displays proves difficult. The user reporti ...

scroll box inside retainer box does not respect scroll box clipping

There is an issue where scroll boxes inside retainer boxes do not respect scroll box clipping. This issue appears to be a regression. Versions tested: Issue does not occur in 4.17 4.17.2 CL - 36589 ...

Using "Change Class" on Spawnables, Possessable references retain old Class info

Changing Class for Spawnable objects in Level Sequence did not have any impact on Possesable objects in Subsequence. It's still referencing the previous Class. Also found in Release-5.4, CL: 329753 ...

Moving a component in the main viewport does not call PostEditComponentMove() function

When a non-root component for an actor is moved in the blueprint viewport, that component's PostEditComponentMove function is called. Adding the actor to the main editor viewport and then moving th ...

Set end frame has incorrect bounds type

When calling Set End Frame the TRangeBound type defaults to inclusive causing the range to go from [0, 50) to [0, 50]. This causes the section to last for one frame longer than it should. ...