Generated definition of BlueprintNativeEvent UFUNCTION in an interface does not include const keyword for return type

Core - Aug 15, 2018

UHT does not correctly create generated code for BlueprintNativeEvent UFUNCTIONs in an interface that return const values. In the corresponding .gen.cpp file, the generated code does not include the ...

Crash on garbage collection - Encountered 20 object(s) breaking GC Clusters assumptions.

Core - Aug 15, 2018

Garbage collection crash during opening cinematic. Note after crashing and relaunching the game the saved file appears as 8% complete instead of 0%. Note this crash is also occurring with //UE4/D ...

TMap does not serialize properly in specific circumstance when it contains a UObject property set to null by default

Core - Aug 8, 2018

A TMap containing a struct with a UObject reference property (set to nullptr by default) does not serialize properly for an instance where the UObject reference is set on the instance, but the TMap ...

Cannot build a project containing a UFUNCTION that takes a pointer to a deprecated component as a parameter

Core - Jul 18, 2018

If a UFUNCTION takes a pointer to a component as a parameter, the project cannot be built if the component's class is marked as deprecated. The error message that is provided states that the propert ...

Access Violation crash loading DDC when making Installed Build

Core - Jul 2, 2018

The RunUAT command crashes while loading DDC when making an Installed Build. ...

Make Timespan Node: Milliseconds to Seconds Conversion

Core - Jun 19, 2018

Make Timespan node returns unexpected conversion from milliseconds. With all other values 0 - values in the Milliseconds field over 2147 flip to negative and begin to decrement ...

Parser drops Braces unexpectedly when copy pasting Nodes

Core - Jun 19, 2018

InString with Curly brackets are copied to clipboard as DefaultValue="\"{Hello}\"", and the pasted result does not include the Curly brackets. "Brace drop itself is happening in FParse::Li ...

Project deadlocks when using FClassFinder to find an AnimInstance UObject

Core - Jun 19, 2018

The project hangs on load when using ConstructorHelpers::FClassFinder to find an AnimInstance UObject. ...

TextScale parameter doesn't change size of text in AddOnScreenDebugMessage()

Core - Jun 16, 2018

The textScale parameter in AddOnScreenDebugMessage does not change the scale of the debug message. ...

Duplicating Level With Large _BuiltData File Results in Editor Crash

Core - Jun 7, 2018

Trying to duplicate a level in the editor that has a large _BuiltData file results in a crash. In the case of the supplied test level, it is over 3 GB. Crash repros in 4.19.2 and Main (CL 4115885). ...