Unreal Engine Issues

DrawMaterial() Function not Rendering Translucent Material to HUD

After creating a new HUD blueprint class and calling it to render a translucent material, the material does not render at all. This is not the case with any other Blend Mode when called to render to ...

Fringe Saturation in Post Process Volume not functioning

Setting the values for Fringe Saturation within the Post Process Volume does not seem to have any visual change. The documentation suggests that changing the Fringe Saturation will either increase ...

Post Process Effect Screen Percentage Not Functioning

The Post Process setting "Screen Percentage" does not seem to work at all. After looking at the example provided in the documentation highlighting the Content Examples map with this feature, I was ...

Network Delay with RPC Functions/OnRep Properties

When attempting to call a RPC (NetMulticast, in this case) or use an OnRep_ Property, there seems to be a delay between setting the variable and it being replicated. In 4.15, this was around two t ...

Android Volume Up/Down input events no longer functioning

Android Volume input events have stopped triggering in 4.20 Tested on Pixel XL (8.0) Also occurring in Main at CL 4309299 ...

Timelines in ActorBPs no longer function when packaged with Nativization

Timelines in ActorBPs no longer work in projects packaged with BP nativization. Timelines in LevelBPs still work. Confirmed in 4.23 MAIN @ CL 5806859 ...

Camera Switcher Import option not functioning properly

In UE 4.20 we got a feature that let you import a FBX file that contains cameras with a camereaswitcher to create a "camera cut track" within sequencer. From the release notes of 4.20: https://docs ...

Hair shading emits light when Lumen is enabled

This artifact does not occur when Lumen is disabled. Also, moving Roughness closer to 1 will reduce the effect. ...

Refraction does not pass through Material Function node Correctly

CompileAllBlueprints crashing on blueprint function with a delegate input.

In some scenarios, FPropertyDelegate::SignatureFunction can point to freed memory after a garbage collection run. This appears to be more common when running the CompileAllBlueprints commandlet. ...