Unreal Engine Issues

Widget interaction component hit invisible widget components

Widget interaction component hit invisible widget components. The widget interaction component will hit the widget component even when set to invisible ...

Crash caused by pre/post tick being called while on the Slate loading thread

Currently, we do not prevent the calling of pre/post tick from the Slate loading thread. This can cause crashes in circumstances where the widget is destroyed before the tick is completed, and inval ...

Line Height Percentage causes highlighting for text to be offset

Line Height Percentage causes highlighting for text to be offset. The text appears to be moved (as expected), however when highlighting the highlight does not completely cover the text. ...

Colon in UPROPERTY category invalidates iterative build

The presence of a colon ':' character in the category string of a UPROPERTY will cause iterative cooking to generate the following error:Found unparsable ini setting Windows.EditorPerProjectUserSett ...

Hierarchical Instance Static Mesh's array does not reorder itself correctly

When an instance is removed from a Hierarchical Instanced Static Mesh's array, if there are indices that are further along in the array that fill that index, the last index in the array is used to d ...

Forward Rendering shading flicker on some assets set to Static

When forward shading is enabled some assets will have a shadow flicker along their face geometry. It has a similar look of z-fighting with polygon faces. This issue does not happen in Deferred rende ...

TemporalAA doesn't work properly when the game is paused

Custom font reverts to default font in a packaged game

Custom font reverts to default font in a packaged game Notes: Importing of fonts appears to be handled differently for 4.15 Appears to be a regression ...

Crash when using a Self reference with a Custom Event variable

Crash when using a Self reference with a Custom Event variable that is using Pass By Reference. The crash only seems to occur if the setup was created in the Player Controller class. This was origi ...

Compiling a project while any editor process is open triggers a hot reload

If you attempt to compile a project while an editor process is running, even if it is of another project entirely, it will hot reload the project instead of doing a normal compile. This can create i ...