Unreal Engine Issues

Animation may not cull when VSM is enabled

When VSM is enabled, animation is not culled and animation continues to play. WhenVisibilityBasedAnimTickOption=OnlyTickPoseWhenRendered, animations outside the camera view are culled, but when VSM ...

Game feature plugins load plugin config files incorrectly

Game feature plugins load config files in a different way than normal plugins, which is confusing and can lead to broken behavior unless the developer knows about these issues ahead of time. The loa ...

Changing a Mesh's Build Scale doesn't update the Mesh's Bounding

This is a regression tested in //UE4/Release-4.27 CL18319896 Changing a Mesh's Build Scale doesn't update the Mesh's Bounding to the same scale. ...

Inherited Blueprint component template data is not being validated on save.

UBlueprint::IsDataValid() does not currently check component templates inherited from a parent Blueprint class asset's SimpleConstructionScript; only the current class hierarchy is considered. Given ...

Cannot change Use Custom Mode or Swap Root Bone properties on Movie Scene Skeletal Animation Params

Two properties on the animation params are not exposed to BP ...

Preinfintiy and Postinfinity settings within the Curve Editor of an Animation can not be changed from Constant

This is a regression tested in //UE4/Release-4.27 CL 18319896 Preinfintiy and Postinfinity settings within the Curve Editor of an Animation can not be changed from Constant. Either by right clickin ...

Enable external linkage for the SFindInBlueprints API.

External requests to enable external linkage for SFindInBlueprints APIs, for which visibility is currently limited to the Editor/Kismet module. ...

Layered blend per bone node with blend mask setting in an animation BP will not work after restarting UE editor, until recompiling the anim BP manually.

AnimBP instance is leaked when using linked animation graphs with 3 or more hierarchies

When creating an AnimBP with 3 or more layers using linked AnimGraph nodes and going through a state where animation is initialized such as replacing SekeltalMesh, the AnimBP on the 3rd layer is not ...

Crash in UE::Anim::Attributes::InterpolateAttributes when enabling URO on B_Hero_ShooterMannequin in LyraStarterGame

From a UDN user: [Crash] Update Rate optimization enabled on b_hero_shootermannequin in LyraStartergame crashes Hello,I haven't dug in to it yet, but with the Lyra Starter project if you enable ...