Cannot select child anim BPs for use in linked anim layers

UE - Anim - Runtime - Jul 15, 2021

From UDN: [Link Removed] Unable to set a Child ABP with inherited interface to a Linked Animation Layer Instance Class. I have a ABP_Biped which is our main ABP. I have the locomotion (idle+straf ...

Const Blueprint Implementable Events don't update if const is removed from the native declaration

UE - Gameplay - Blueprint Editor - Oct 19, 2021

Constness is not updated in overridden BlueprintImplementableEvents when the native declaration is made non-const.  ...

When use Sequence Camera Shake Pattern, Level Sequence occurs error

UE - Anim - Sequencer - Mar 28, 2022

When I apply the Sequence Camera Shake Pattern to a Sequencer's camera, I get an error when playing it. ...

Root Motion Not Retained when Retargeting Animation Assets from UE4 to UE5

UE - Anim - Rigging - Retargeting - Apr 12, 2022

Occurs 5/5 Times RootMotion of an animation asset is not retained when retargeting Root Motion Animation asset from UE4 to UE5.  ...

Low acceleration changes causes the object's velocity to nearly zero out.

UE - Simulation - Physics - Apr 20, 2022

Low acceleration changes causes the object's velocity to nearly zero out. The range this seems to occur at for the Acceleration change is between the values of zero and approximately thirty. Repro ...

Assertion fails when a struct is opened with a BP class reference stored and with that struct as a variable in the BP class that's referenced.

UE - Gameplay - Blueprint - May 10, 2022

Assertion fails when a struct is opened with a class reference stored and with the struct as a variable in the class that's referenced. A restart is required in order to see this occur. Repro Rate: ...

Crash when changing details of an animation in an Animation Composite

UE - Anim - Jun 7, 2022

This is a regression tested in //UE4/Release-4.27 CL#18319896 Fatal error is thrown and the Editor crashes when changing details of an animation in an Animation Composite. ...

bIgnoreAllPressedKeysUntilRelease only applies to keys in the previous mapping

UE - Gameplay - Input - Jun 16, 2022

This is because the RebuildControlMappings function only checks this flag when you have a mapping that was already added, we should apply this for any new mappings as well.  I'll update the repro s ...

Building Packed Level Actors causes references to break in the Packed level Actors' Blueprints

UE - World Creation - Worldbuilding Tools - Level Instances - Oct 27, 2022

This is not a regression. Tested in //UE5/Release-5.0 CL 20979098 Building Packed Level Actors causes references to break in the Packed level Actors' Blueprints. Rerunning the Build > Pack Level Ac ...

Bugs with Material Instances and Landscape Grass

UE - World Creation - Worldbuilding Tools - Foliage - Apr 14, 2016

Need to fix the Bug: Parameters that linked to LandscapeGrassOutput in master material instance do not updates automaticaly in viewport. After parameters change you are have to modify any of your us ...