Unreal Engine Issues

Instanced Static Mesh components that are part of a Blueprint aren't visible in Standalone Game

Instanced Static Mesh components created through the Construction Script aren't visible in Standalone Game. Collision is still present. They are visible in all other play modes and if created on Eve ...

Last frame remains on HMD after exiting Play in VR PReview

Last frame is remaining frozen on the HMD when exiting Play in VR PReview Note this can only be seen if you do not remove the VR Headset when exiting, as soon as it stops registering Worn status th ...

Crash when opening a blueprint that implements an interface that has been deleted

Error message for restricted name "CLOCK$" only displays "$"

See image UPB_RestrictedCLOCK$_PathName.png for the incorrect error message. See image UPB_RestrictedCON_PathName.png for an example of how the error message should display the restricted name. ...

UBT crashes when doing an incremental build

There is a consistent crash when incrementally compiling headers containing generated code. The code for launching UHT accesses a property which is null when compiling with the UBT makefile. ...

Action event in the blueprint graph leads to state dirty.

BP state get dirty if the BP graph have action input event. Regression: Yes, it is not reproduced in 4.16.3 This issue is not related to Blueprint Compilation Manager. ...

Audio volume values get reset

Also confirmed in 4.22 Main @ CL 4413632 ...

Compilation manager inhibit construction script to get other actor reference on the level when running construction script right after actor compile.

Construction script execution following blueprint compile gets invalid actor reference if Blueprint compilation manager is enabled. For example, in the attached project, Right after blueprint compi ...

Make Dialogue Context node no longer has the speaker and targets options exposed

The Make struct node for Make Dialogue Context no longer has the "Speaker" and "Targets" pin exposed. ...

Blueprint Editor: BP functions display dropdown instead of checkboxes for uint8 enum parameters

I traced through the callstack and it looks like the problem is as follows:in order for the BP function to compile, its enum parameter must be uint8, because that is the only type supported by BP fu ...