Dithered LOD Transition does not work on some mobile devices

Platform - Mobile - Aug 27, 2019

I tested with some mobile devices and Dithered LOD Transition did not work on Huawei P20 Pro. This problem does not occur with Snapdragon. This problem does not occur with Snapdragon like Pixel 3. ...

Spot Lights don't work on Magic Leap if Cast Shadows is disabled.

Platform - Mobile - Aug 26, 2019

Spot lights don't work at all with Cast Shadows disabled on the Magic Leap. Cast Shadows must but enabled even though they don't work. This can also be demonstrated in the Vulcan render preview in ...

InstancedStaticMeshes disappear in Shipping builds on mobile when affected by dynamic point lights

Platform - Mobile - Aug 22, 2019

This ticket is to add the safe workaround for 4.23.1, with a more optimal fix coming in 4.24. ...

CallStack is not output at crash in Android project

Platform - Mobile - Aug 19, 2019

In an Android project that intentionally crashes from C ++, the call stack is not output at the time of the crash. Perhaps the function that outputs StackTrace in DefaultCrashHandler of AndroidMisc ...

OBB files per architecture are not unique so Play Store flags it when uploading for different store versions

Platform - Mobile - Aug 16, 2019

The Play Store by default on uploading an OBB will check it against the others uploaded so if you are uploading multiple APKs built for different architectures in the same packaging session the OBB ...

iOS Launch On does not copy content to iOS/TVOS 13 devices

Platform - Mobile - Aug 12, 2019

DeploymentServer fails to transfer the files LogPlayLevel: ********** DEPLOY COMMAND STARTED ********** LogPlayLevel: Running: F:\UE4-Release-4.23\Engine\Binaries\DotNET\IOS\DeploymentServer.exe ...

Reading data back from rendertarget not working on Android opengles 3.x

Platform - Mobile - Aug 7, 2019

From user: "I believe the issue is deal to the implementation of FAndroidOpenGL, there is no overriding of FOpenGL::SupportsMapBuffer(),which always return from the base FOpenGLES2 method and it is ...

ApplicationReceivedScreenOrientationChangedNotificationDelegate does NOT work properly on Android

Platform - Mobile - Aug 5, 2019

ApplicationReceivedScreenOrientationChangedNotificationDelegate supports iOS but not Android. Probably, Java_com_epicgames_ue4_GameActivity_nativeOnConfigurationChanged should be useful for fix thi ...

Apple TV - Cloudkit - Infinite loop

Platform - Mobile - Jul 31, 2019

When cloudkit is enabled, the regular Apple TV may get stuck in an infinite loop in FOnlineUserCloudInterfaceIOS::OnReadUserCloudFileBegin(): while (CloudFile && CloudFile->AsyncState == EOnlineAsy ...