A user reported an issue where, if a BlueprintCallable function's parameters are edited, a blueprint using a BlueprintCallable function will give warnings instead of an error for a problem after the editor has been closed and reopened.
Did not occur: 2872498 (4.10.4 Release)
Occurs: 2954100 (4.11.2 Release)
Note: In 4.10.4 and prior, the warning/error never showed up as the pin was automatically disconnected when the hot reload took place.
Head over to the existingAnswerHub thread and let us know what's up.