Unreal Engine Issues

Windows Metal Shader Compiler creates invalid shaders for iOS

When installed app is started on device, log will say there's missing or invalid metal shaders ...

Launching iOS build from Xcode fails after initial install

Xcode has an issue with repeated launches onto an iOS device.  After the initial install, Xcode is unable to install any other builds of that same app due to some sort of codesigning issue.  A work ...

Using GameCenter from iOS15 onwards requires a plist entitlement key

Apple added a new Entitlement plist value starting with iOS15 to allow connecting with GameCenter.  It's a boolean value with the key: com.apple.developer.game-center Without it, the app can not co ...

iOS launch screen might briefly appear in Portrait before switching to Landscape

Sometimes on the first launch of the game after install, the launch image will be a cropped portrait drawn in landscape orientation, on the left side of the screen, with the top and bottom getting c ...

Editor iOS rotation specifiers are not followed (especially Portrait)

Specifying which orientations the iOS app supports are not honoured correctly.  ie: a landscape only game will still render in Portrait mode even when Portrait is disabled in the iOS Settings panel ...

MediaPlayer failed to be open on Mac and IOS

Quixel Bridge opens as a blank window when opening through the UE Main toolbar on Intel Mac

Regression unconfirmed because this is a new feature. This is not a regression for UE. Tested in //UE5/Release-5.3 CL28051148. Update: When attempting to reproduce on Apple Silicon, Bridge opens ...

Setup command not downloading GitDependencies on arm64 Mac

When running setup command on an M1 arm64 mac the dependencies fail to download. This issue is occurring in Github //UE5/Release-5.3 @ CL 26560699 This issue is NOT occurring in Github //UE5/Rele ...

Reproducible softlock on iOS

After performing the repro steps, screen will softlock unless you perform the "slide from 3 to 4, then back to 3" steps.  Appears to be an iOS system bug, but see if we can find a workaround. ...

Add ThinLTO support to iOS

iOS link times could be sped up by adding ThinLTO support as was done for Android recently. ...