Unreal Engine Issues

Pause animation does not work at the second preview playback in sequencer

This behavior can pause well for the first time playback, but it will not work for the second time. Also, as you touch the seek bar you will be able to pause. ...

GPU Particle Initial Color With Distribution Constant Curve Will Not Transition Between Points

GPU Particles will only use the first point of an Initial color module with Distribution set to Constant Curve. Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.222 CL# 4768593 ...

Assertion When Packaging If an Actor in Level Uses Create Canvas 2D Render Target

An assertion will occur when packaging if an Actor in level uses "Create Canvas 2D Render Target"  Found in 4.20 CL# 4369336, 4.21 CL 4753647 Blocked for testing in main due to crash when placing ...

Gameplay windows from Standalone do not remember their positions properly when there are multiple windows

The position of game windows from Standalone Game mode are not saved properly when multiple windows are used. The placement of the windows upon the next launch ends up placing all of the windows on ...

Using "Select Actors using this Asset" in ActionRPG on some assets causes incorrect actor to be selected

Using the "Select Actors using this Asset" option in ActionRPG causes the InstancedFoilageActor to be selected incorrectly for many assets. It seems to occur with any assets that are being reference ...

Cross building UE4Editor from Windows to Linux has incorrect runtime dependencies on DSO's

Editor that was cross-built on Windows reportedly cannot start (using a Windows Subsystem for Linux or a VM). ...

[Feature Request] Subclassing UAnimNotifyState_TimedParticleEffect

"have had to modify UAnimNotifyState_TimedParticleEffect in order to subclass it. I added 'ENGINE_API' and removed 'MinimalAPI'. I also needed to move 'ValidateParameters' from 'private' to 'protect ...

Cannot access data table columns by property name in a nativized build if the table's row type is set to be a user-defined structure.

UDataTable::FindTableProperty() will currently fail in a nativized build because the RowStruct is no longer a UDS in that context; instead it is converted to a native UScriptStruct type. However, th ...

BSP Converted to Static Mesh with Multiple Materials Will Only Show Element 0 After Migrating and Changing LOD Settings

"Reimport with New Source" fails on Mac

'Reimport with new source' command does not work on Mac. Confirmed in 4.22 @ CL 4771381 ...