Unreal Engine Issues

Crashes when server travel during voice chat talk

The VoipListenerSynthComponent created by the voice chat will try to be released by the GC after the server travel because it has previous levels and references, but the referenced level does not al ...

MoviePipeline: Apple ProRes/Avid DNx crash when "Overwrite Existing Output" is off

Wrong height from Chaos::FHeightField::GetHeightAt()

Navmesh does not update according to the volume, when an actor with a navigation volume tied to a parent is moved.

When a NavmeshBoundsVolume or NavModifierVolume is parented to another actor in the outliner, navmesh is not updated along the volume when the parent actor is moved. If the volume is deleted and the ...

Guid reference warnings when using the Take Recorde

When we record a Take from a level actor, a warning about referencing the same Guid inside LazyObjectPtr.h appears. The functionality of the LevelSequence works as expeced, but when the initial tak ...

Nanite mesh polygons disappearing when using masked opacity with vertex color in 5.4

In 5.4.3, a nanite enabled mesh with a material that takes its vertex color (R) and uses it as the opacity mask output in a masked blend mode material, causes the mesh to have disappearing polygons ...

Changing the Global Time Dilation to a very small value and returning it to a large value (by either using the slomo console command or directly in BP) makes Physics simulating ragdolls fly off into space.

Changing the Global Time Dilation to a very small value and returning it to a large value (by either using the slomo console command or directly in BP - slomo sets TimeDilation) makes Physics simula ...

A crash occurs inside the Unreal Editor when we change the Spline Point type of a spline point, and we subsequently select another spline point

In versión 5.4, a crash has been found when using splines inside the LevelViewport. This crash occurs when we change the Spline Point Type of a spline point, and subsequently we select another splin ...

InlineEditConditionToggle Prevents Config Bools from Being Written to Settings .ini File

In a Developer Settings Class, Boolean properties marked with InlineEditConditionToggle do not get written to the associated settings .ini file, preventing configuration settings from being saved pr ...

Collision Drawing in Cooked Builds (Development) doesn't Show Geometry for Nanite Meshes

Context The showFlag.CollisionVisibility 1 cvar is a viewport visualization mode that highlights which Actors will block visibility. The showFlag.CollisionPawn 1 cvar is a Player Collision viewmode ...