Unreal Engine Issues

(DX12) Groom simulation crashes GPU when viewport gets hidden and unhidden

 Should be related to Groom hair simulation (doesn't crash if hair sim is disabled) Also attaching log files from licensee if that's helpful. ...

Crashes when changing parameters by changing the collection of the NiagaraParameterCollectionInstance

Even if the parameter is changed by specifying "NiagaraParameterCollectionInstance" in "ParameterCollectionOverrides", it is not reflected.

It behaved properly in 4.24.3. ...

Copying a Level Sequence and Map break Level Sequence bindings

SBasePoseViewport should use ExtendedBounds, not ImportedBounds

In accordance with CL-9139422 of [Link Removed], the SkeletalMesh ImportedBounds does not have an Extend operation. However, SBasePoseViewport, the UI for retagettes, continues to use ImportedBounds ...

If setting isActive of Camera's Spawn Track to false and binding the camera to Camera Cut Track, the player camera moves to an incorrect position after the sequencer finishes playing.

If the binding itself registered in the camera cut is incorrect, the position of the camera after the sequencer ends becomes fraudulent. ...

If using High Quality Gaussian DoF on Mobile, the whole screen is always blurred

When High Quality Gaussian DoF on Mobile is enabled, the entire screen is always blurred.  I confirmed that it works properly in 4.24. Also, I confirmed that adding the modified CL of [Link Remove ...

PIE Dedicated Servers Have Lower Saturation Limits

UNetConnection::Tick() clamps the delta time used for the bandwidth limit to the desired tick rate (1 / DesiredTickRate). In PIE, this number is different than the net server max tick rate, so the b ...

[Landscape] Multiple Level Instances with Landscape causes duplicate GUID issues.

Loading the same level twice through Load Level Instance BP Node will cause issues with levels containing Landscape as they will end up with the same GUID and the underlying systems do not support t ...

For Level Sequence with multiple Shot and Transform Tracks, the Restore State of a Level Sequence Actor may not work due to the When Finished setting of the Transform Track.

LevelSequenceActor's Restore State is enabled, but the character does not return to the position it was in before the level sequence was played.  The LevelSequence of the attached project has two S ...