Unreal Engine Issues

Frame specific functionality unusable in Composite/Montage editors post 5.2 changes

Part of the changes for 5.2 required UAnimCompositeBase::GetSamplingFrameRate to be changed to return a very high framerate.  This has the unintended consequence of effectively making the functional ...

Function output nodes containing an array will cause packaging to fail when nativizing blueprints

If a blueprint contains a function with an array output and the project is being nativized, the package will fail with an error similar to "error C2679: binary '=': no operator found which takes a r ...

World Composition origin shifting does not account for shifting the Dynamic Directional Light shadow casting

Directional light does not cast dynamic shadows after origin rebasing using world composition. There is an attached project that reproduces this. To see that the shadows load primarily where the l ...

Function input Bool loses checked value when updating from 4.16 to 4.17

Licensee reported that when updating from 4.16.1 to 4.17.2 the value of a function input Boolean is being reset. It is checked as True in 4.16, but when switching to 4.17, it is no longer checked. ( ...

Adding Variable to Struct (Exposed on Spawn) breaks SpawnActor functionality without error/warning

Adding a variable to a Struct used with SpawnActor breaks functionality without warning. Workaround: Clear Class from SpawnActor and reassign same class User Cites Blueprint Compile manager as fau ...

Material Editor Crash on Parameter name that is shared in Material function

Ensure occurs when pasting a Custom Event and its Function into another Blueprint

Hit this ensure while looking into another issue for Sam. ...

Path tracing gets harsh shading falloff if using area lights

Point light that is not casting a shadow behind hair causes the hair to glow

Overlap functions of child actor components run when spawned without overlap if player is at 0,0,0

Overlap functions of child actor components run when spawned without overlap if player is at 0,0,0. It registers all "other actors" as cast successful even when the actor cast to is not the actor's ...