Unreal Engine Issues

Deferred Decals Fade In With No Fade Duration Set

Decals fading in with Fade Duration set to zero. Found in 4.21 CL# 4753647, 4.22 CL# 7053642, 4.23 Preview 5 CL# 7838574 ...

Audio tracks with multiple subtracks will paste parent track when a subtrack is copied and pasted in Sequencer

Copying and pasting audio subtracks will paste the parent track and its subtracks not just the selected subtrack. ...

Bone namespaces aren't properly handled by FillRecursivelySkeletonCompareData

Incorrect warnings can be given when re-importing Skeletal meshes as FillRecursivelySkeletonCompareData does not use FFbxImporter::MakeName. ...

Hit proxies marked as always allowed are not selectable when translucency selection is disabled.

Interpolators of Particle Dynamic Parameters Need "nointerpolation".

Regardless Niagara or Cascade, dynamic parameters for particles are passed to pixel shaders from vertex shaders via InterpolantsVSToPS. It can cause a precision error on some materials, for example ...

The socketbuilders do not properly join multicast groups on iOS

On iOS, using the code in the UDP socketbuilders causes the sessions tool to not join with iOS devices. Giving the error EADDRNOTAVAIL. If the user falls back to the other code function that uses th ...

FAnimNode_RigidBody::bForceDisableCollisionBetweenConstraintBodies modifies asset collision table

The 'Force Disable Collision Between Constraint Bodies' rigid body node option modifies the collision table of the physics asset its used with. It is expected that this option works as an override a ...

First Person Example Project Crash when character movement component is cast in viewport.

Crash is caused by incorrect cast to display ActorComponent in viewport (gizmo used to move it should not be present) ...

A Niagara system will only use one spawn rate curve when it has more than one emitter with different spawn rate curves

Systems that have more than one emitter that both have unique spawn rate curves will only used the most recently added emitter's spawn rate curve for all emitters. ...

RestrictedToClasses UCLASS Meta expects space delimiters but documentation shows comma delimiters

The documentation: https://docs.unrealengine.com/en-US/Programming/UnrealArchitecture/Reference/Metadata/index.html shows the RestrictedToClasses meta syntax as being RestrictedToClasses="Class1, C ...