Unreal Engine Issues

Crash caused by Buffer Overread in TBitArray operator < function

A licensee has reported a crash that is caused by a Buffer Overread in TBitArray's operator < function. While the licensee did not provide reproduction steps, the crash is apparent from looking at t ...

The IsOverInteractableWidget() function in UWidgetInteractionComponent does not correctly indicate when it is over an interactable scrollbar

The scroll bar in a scroll box does not currently indicate that it is interactable. The UWidgetInteractionComponent::IsOverInteractableWidget() function returns true if it is over a button, but retu ...

Rect Light distribution incorrect with CPU Lightmass

World Position Node Breaks Baked Lighting In Masked Materials

Baked shadows don't seem to work properly when Absolute World Position is involved with masked materials. The masked material won't render a shadow at all in this case. ...

The InsertFeaturePacksIntoINIFile() function creates an invalid entry in the DefaultGame.ini file

The GameProjectUtils::InsertFeaturePacksIntoINIFile() function is not creating a valid entry in the DefaultGame.ini file. It is currently missing a double-quote at the end of the PackSource value fo ...

Fill Function of Mesh Painting don't Use Color Channel Parameters

Fill function of mesh painting don't use color channel parameters. I suggest that FPaintModePainter::ApplyVertexColorAction need to use PaintSettings->VertexPaintSettings.bWriteRed / Green / Blue ...

Audio: Spatialization: Set Allow Spatialization BP command is not functioning

Reported via AnswerHub on 4.19 and confirmed in Dev-Audio, the Set Allow Spatialization widget in BP appears to not be functioning - as the audio does not become spatialized in playback. ...

Control Rig function nodes cannot have their color changed in 5.3

Default property track settings for Spot Light OuterConeAngle don't work

The outer cone angle will not have a default track created for it when it's added as a default property in the project settings. This seems to stem from the property having a setter function, and be ...

Eye Adaptation Material Node Only Functions in Surface Material Domain

The Eye Adaptation material node only functions in Surface Material Domain. Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 5660361, and 4.23 CL# 6074473 ...