Unreal Engine Issues

Nanite mesh shadows not updating when CSMCaching enabled

A Nanite primitive casting a CSM shadow on another Nanite primitive with "Cast Shadows" disabled, will have it's shadow disappear completely when r.Shadow.CSMCaching = 1. ...

Pointer being freed was not allocated on IOS with MallocBinned2

Slack thread [Link Removed] Probably related to the same issue seen on Android, explained here: [Link Removed] ...

Some debug modes do not work in PIE

It looks like the output of the debug pass is ignored, and the final output from the last frame before the pass was enabled is displayed instead. If the pass is modified to return a different textu ...

Shadow map z-fighting when using Overlay material

Shadowmapping broken in Android Vulkan Editor Preview

Mobile preview does not follow PIE seamless travel

Decal material is drawn twice when using mesh decals in mobile forward

For desktop renderers, deferred and forward are both one draw.[Image Removed][Image Removed] ...

Suspend/resume iOS Metal Crash on low end device with MTLCommandBufferErrorMemoryless error with lots of geometry

The project was built in Unreal 4.27.2 binary from the Epic Games Launcher. At this stage we have only observed the crash on devices with a hardware combination of Apple A9 1.8 GHz and 2GB of Memory ...

Crash on IOS with spotlight shadow

depth calculation is not functioning properly on mobile ES 3.1 preview

In 5.1.1, the depth calculation is not functioning properly on mobile ES 3.1 preview, resulting in reflections occurring in areas where they should not. When checking with RenderDoc in ES 3.1 Previ ...