Unreal Engine Issues

Changing the name of an Event Dispatcher's Input will not update existing nodes in Event Graphs and cause a compiler error

Changing the name of an Event Dispatcher's Input will not update existing nodes in Event Graphs and cause a compiler error. The error text includes links that open the level tab rather than locating ...

Handle fracturing a destructible mesh when the source mesh has been deleted without a crash.

When attempting to fracture a destructible where the source static mesh has been deleted we get a crash in APEX. APEX can't seem to find any root leaf nodes to begin fracturing upon. This does not ...

Non-blueprint ed graphs need to clean up their deprecated pins

Old UEdGraphPins are not being removed from non-blueprint assets. ...

Struct array of type 'key' dirties blueprint each time it is re-opened

Struct array of type 'key' dirties blueprint each time it is re-opened. Regression (no) issue (does) occur in 4.11.2 ...

Spotlights Transform Strangely When Scaled Within A Blueprint

When scaling an actor with a spotlight component that is offset from local 0,0,0 the spotlight will invert itself when passing into negative scale values. In the test project this only occurs on the ...

Crash when double clicking a level in Content Browser to open it

Update Instance Transform is not working

When a blueprint calls for 'update instance transform' the scaling and location value doesn't actually work. ...

Editor Crashes When Count on Mid Node is Less Than 0

The editor crashes when the Count parameter passed into the Mid function is < 0. There is an assertion check(Count >= 0); in FString Mid in UnrealString.h, but an error message would be expected ...

Landscape components render black

Workaround:Open the Landscape Material and click SaveReload the level Landscape components render black upon first-time compile. Observed in QA-Landscape - several chunks of the Landscape were bla ...

Out of date info and typo in comments for DDC in BaseEngine.ini

In BaseEngine.ini,Comment says "DerivedDataBackendGraph is the default graph" - this information needs to be updated to mention that launcher installs of the engine would use "InstalledDerivedDataB ...