Sometimes when Sequencer window refreshes the mute property on tracks are toggled

zComponent - Archive - Aug 23, 2021

Issue was noticed by Grayson in For.tnite/Main. Regression: No this occurred similarly in 4.27 still not 100% repro but some modification in sequence triggered toggling the mute track ...

Shadows cast on a translucent forward shaded materials renders with jagged edges

UE - Rendering - Architecture - Materials - Mar 31, 2022

Shadows cast on a translucent forward shaded materials renders with jagged edges. In 4.27 the edges are different with some jagged points only those points are not as prominent. [Link Removed] ...

All Frames Are Not Fully Deleted From Animation Sequence When Attempting to Create an Aim Offset

UE - Runtime - Animation - May 9, 2022

Occurs 3/3 Times *Regression *does occur: Tested in //UE4/Release-4.27.2 @ CL18319896 and all frames were able to be deleted from the Aim_Space_Hip Animation sequence.  ...

Render Target shows checkerboard when attached to SceneCapture2D

UE - Graphics Features - May 12, 2022

When attaching a Render Target to SceneCapture2D the user is shown a checkerboard instead of the capture. The sample image shows the capture but not when it's opened.  This also occurs in UE 4.27 ...

Crash occurs while replacing a Widget Component with a user created Text Block

UE - AI Workflows - UI Systems - UMG - Aug 18, 2022

This is not a regression. Tested in //UE4/Release-4.27 CL18319896. The crash occurred. Crash occurs while replacing a Widget Component with a user created Text Block blueprint. ...

Geometry Collection behavior does not change when changed by BP

UE - Runtime - Deformable - May 2, 2022

Reproduced 6/6 times. This seems to affect all "Set" functions for Geometry Collection Components, such as Setting Object Type from Static to Dynamic, or changing Collision Type. ...

Jitter on anim sequences compressed with ACL containing large scale on root

UE - Runtime - Animation - Jul 18, 2024

The ACL codecs are generating jitter in the animations on the linked UDN.  This may be related to the large scale that's being applied to the root bone in the skeleton.  This appears to be a regress ...

Base materials in exported Datasmith files imported into Unreal Engine are missing material function.

TM - Interoperability - Nov 19, 2024

Datasmith imports in UE do not render materials due to missing material function. Works in UE 5.6 main but not UE 5.5 or 5.4 ...

Get VR Focus State will cause a crash if used without a HMD device on

UE - Platform - XR - May 31, 2016

Get VR Focus State will cause a crash if used without a HMD device on ...

Using the output from FindAllPakFiles to call StreamableManager::RequestAsyncLoad causes a crash

UE - Foundation - Core - Apr 22, 2016

A user has reported a problem where the directory that is output from FindAllPakFiles is not compatible with the StreamableManager::RequestAsyncLoad function and will cause a crash if using the two ...