Unreal Engine Issues

Linux: async loading code crashes when memory pooling is enabled

The reasons is a bad interaction between FIND_MEMORY_STOMPS code in AsyncLoading.cpp and memory pooling. Async loading will set PrecacheBuffer to read/only and will never reset it back, expecting ...

Crash while unhiding streaming level in multiplayer

When unhiding a streaming level several times on the client there can be a crash. ...

Convex Collision is incorrect for negatively scaled object that are attached to a physics actor

Convex Collision is incorrect for negatively scaled object that are attached to a physics actor. This doesn't happen for object with standard collision or object attached to non-physics actors. The ...

The iOS app icons settings are not being used on Mac

This issue did not occur on Windows at the same CL. This was originally being tracked by [Link Removed] but after initially testing the fix for that JIRA, this particular issue persisted and it was ...

WebBrowser SetVisibility not working on Android & iOS

SetVisibility not working with Web Browser Widget on mobile devices ...

Foliage is visually missing in HTML5

Foliage is visually missing in HTML5. This is a new issue and does not occur in 4.19, I believe that it may be correlated to this issue here.https://jira.it.epicgames.net/browse/UE-59573 ...

DataSmith importer is setting incorrect scale on Actors

When importing, DataSmith is assigning a scale on the actors, the option to set the import scale is no longer available in 4.21. ie: a 36" item comes in at 96" This was reported and tested in 4.21 ...

Sequencer: first rendered frame doesn't use AA

"Sequencer: first rendered frame doesn't use AA/motion blur even with a warmup period." ...

Maya Shotgun turntable generation not compatible with Unreal 4.22

Google VR - Pixel Density broken

PixelDensity not changing with Google VR Did not repro on Oculus Go Confirmed in MAIN 4.23 @ CL 6395234 ...