Unreal Engine Issues

VC Runtime not in UnrealLightmass temp directory; causing lightmass build errors

A Redistribute file for VS 2015 is needed to build lightmass, but this is not currently included with the engine. If a user does not have VS 2015 installed, lightmass will fail with this error: Un ...

Editor will crash when Blueprint Details Panel is dragged across the Event Graph

When dragging the Details Panel in a Blueprint across the event graph the editor will crash. [Link Removed] ...

FPackedRGBA16N is divide by 32768 twice in NEON/FPU

External Reference Spam when converting projects to 4.9

Map Check message log gets spammed with External Reference warnings when a project is converted to 4.9 from a previous engine version. These warnings don't seem to actually do anything to projects o ...

A crash can occur when multiple Actors are spawned/destroyed simultaneously with each one loading an asset.

A crash can occur if multiple Actors are spawned/destroyed simultaneously, with each Actor loading an asset when it is spawned. This does not occur 100% of the time, but it does occur quite frequent ...

Target pin creates compile errors unless value is set outside of node

Some nodes have target pins that auto-fill to target: self. However, unless a value is passed into this node from a get or other means, the blueprint will not compile. ...

Negate Blueprint Macro Returning Original Value

The Negate blueprint macros (NegateInt, NegateFloat) are returning the original value. Found in 4.12.5 CL 3039270. Reproduced in 4.13 CL 3106830 and 4.11.2 CL 2946394. ...

Events Still Firing After Stopping Blueprint After Hitting Breakpoint

After hitting a breakpoint and then stopping the execution of a blueprint using the Stop button, the next event is still being fired. Found in 4.13.2, reproduced in 4.12.5 and 4.14 Preview 2. ...

GEditor->OnBeginObjectMovement only fires on Actors

When moving a component of an actor instead of the actor itself, the OnBeginObjectMovement delegate from GEngine is not triggered. It should match the behavior of the actor itself and trigger the de ...

Use Localized Graph Editor Nodes and Pins requires an editor restart to take effect but doesn't prompt for one

Changing the Use Localized Graph Editor Nodes and Pins setting requires a restart to take effect but doesn't prompt you to restart the editor as other settings that require one do. Regression?: No ...