Double clicking the thumbnail for a TSoftObjectPtr to a UWorld will load the level without prompting the user to save

UE - Editor - Dec 6, 2021

Currently, double clicking on a thumbnail for a SoftObjectPtr to a UWorld will load that level in the level editor without checking if the current world is dirty or prompting to save. This can resul ...

Audio section has incorrect duration when pitch is changed.

UE - Anim - Sequencer - Nov 29, 2021

Sequencer determines audio duration based on the sound, which does not factor in pitch information, so the duration will be incorrect, leading to incorrect playback. ...

UAnimInstance::GetInstanceTransitionTimeElapsed does NOT consider TransitionIndex

UE - Anim - Runtime - Nov 29, 2021

GetInstanceTransitionTimeElapsed doesn't use TransitionIndex. float UAnimInstance::GetInstanceTransitionTimeElapsed(int32 MachineIndex, int32 TransitionIndex) { // Just an alias for readabili ...

The drawing order of widgets becomes wrong when GlobalInvalidation is enabled,

UE - Editor - UI Systems - Slate - Nov 26, 2021

When trying to create a widget with specific steps, the drawing order may not be correct. This is not reproduced when Global Invalidation is disabled, and the state can be restored. This issue is pr ...

Problem importing broken FBX

UE - Editor - Framework - Import and Export - Nov 25, 2021

An FBX exported from 3DEXCITE DELTAGEN fails to parse correctly in the latest FBX SDK and crashes the UE importer. This FBX is automatically repaired when loaded into Maya (citing "polygons with ov ...

RebuildHLOD UAT script doesn't properly handle the -nop4 command line flag

UE - LD & Art - World Building - HLOD - Nov 24, 2021

The script performs P4 commands even if -NoP4 was specified. It should properly handle -NoP4 by checking for  if (CommandUtils.P4Enabled) ...

A WaterBody blueprint class with an added component will not compile if Blueprint Nativization is enabled

UE - LD & Art - World Building - Water - Nov 23, 2021

This is Not a regression. Tested in: //UE4/Release-4.26.2 CL15973114 Binary - Reproduced //UE4/Release-4.27.1 CL17735300 Binary - Reproduced When adding a component to a Water Body actor it should ...