Unreal Engine Issues

Returning the base class type by literal value in a base class function will return a different value in a child class when it's nativized.

If a base class function returns its own class as a literal value, the nativization process will emit the literal term as "GetClass()" rather than as the actual value (e.g. UBPBase::StaticClass()). ...

Landscape Component LODBias parameter is broken

The behavior of translucent sorting is different between 4.23 and later.

Also, from 4.23 onwards, if you move the mesh back and forth, the order of the  translucent sort will be switched. ...

Tabbing out of exclusive fullscreen leaves the window & backbuffer in an incorrect state

With windows 10 there has come some new swap chains, which unfortunately messes some things with regards to fullscreen up. We've fixed a bunch in the renderer (which would downright cause crashes), ...

[Feature Request] Update UE4 Tutorials to account for new Modes workflow

Modes workflows were updated in 4.25. This change removed the traditional Editor modes from the single, static Modes Panel and moved them into a combo box on the Level Editor Toolbar. Entering a mod ...

Vertex Interpolator causes depth-test to fail

Vertex interpolator (semi-randomly) causes visual artifacts on meshes. This did not happen initially when using or creating this material function but started about 24 hours later but now happens st ...

Typo: Top Down Sample Template has two folders for lighting. One is spelt "lightting"

Typo of lighting exists in the Top Down Template map.  ...

AddForce behaves inconsistently between PIE and Standalone Game / Build

This example consists of a simple BP Actor, containing a Collision Sphere and Static Mesh (Sphere). The BP has Simulate Physics Ticked on, the Mass in KG is 1 and collision preset is set to Block Al ...

Cannot copy and paste cloth config parameters

Copy/pasting cloth configs used to be possible in 4.23. It then got broken in 4.24 (crash) with the introduction of changes required for the new physics engine. In 4.25, the config evolved to a Map ...

Bounds location of apex destructible mesh will not be updated when added to sequencer directly from content browser

Destructible mesh's location will not be updated when added to sequencer directly from content browser, unless two different locations are keyed on the transform track of the mesh. We found the bug ...