See repro and screenshot. ...
If the values of the elements in a Tmap are altered for a Tmap that is using a custom struct, the editor will crash on compile. ...
If a blueprint contains a reroute node for a key structure it will cause the blueprint to become dirtied (needs to be compiled) upon exiting PIE. ...
A number of places in the code rely on raw UProperty pointers to track properties they care about. This can present issues when BPs inherit from other BPs, because the parent's class may be Purged / ...
Making changes that can potentially alter the CDO or other aspects of a UBlueprintFunctionLibrary can cause BP compilation issues with cryptic messages. This is caused by the Owning Blueprint (i.e. ...
Right now if an impure node has no exec connections it gets culled out, which is implicitly breaking the wire for the output value of the node. We could either make this work just like a get or mak ...
An Actor with a child class component will cause the parent to become dirty by opening the child. Regression: This issue did not occur in 4.14.3 of the binary builds ...
Blueprints that include a macro that includes one of their own functions are unable to compile. The error message that is given is: Error Could not find a function named "MyFunction" in 'ActorBP_C'. ...
Blueprint becomes dirty after play with Key get display name is in the script. This issue occurs even in setups where that specific node in the event graph, not necessarily attached to anything. The ...
Removing a variable from a blueprint that a data asset is based on will prevent that data asset from being opened. ...