Unreal Engine Issues
Unreal Engine Issues
VulkanStagingBuffers stat continually to grows.
UE - Platform - Mobile - Oct 24, 2025On Android phones, VulkanStagingBuffers continually grows when the scene is static. From looking at FStagingManager, it appears the VulkanStagingBuffers atat is only updated on buffer acquisition, ...
Assertion failed after closing project on Oculus Mobile - Referencing AudioMixerSourceManager.cpp:300
UE - Audio - Apr 30, 2019This assertion seems to occur when closing the project while a sound is playing on the device. Assertion failed: CommandBuffers[NextIndex].SourceCommandQueue.Num() == 0 [File:D:/P4Workspaces/Switch ...
ProfileGPU console command crashes Daydream applications
UE - Platform - XR - May 8, 2017Using the Profilegpu console command in a Daydream app causes the app to crash. Crash logs attached. Regression?: No This also occurred in 4.14 ...
Fire tower lights do not change when held down in StrategyGame on iOS
Docs - Samples - Aug 18, 2016The fire tower charge effect is not working correctly on iOS. This was tested with an iPhone6S_6240 OS: 9.3.2 Does not occur on Android. Tested on Galaxy S7 ...
GoogleVR layout visible if stereo is off on iOS
UE - Platform - XR - Mar 7, 2018User reported bug With iOS applications that swap from VR mode to non-stereoscopic mode, GoogleVR overlay remains on screen. This does not occur on Android devices. ...
Enabling wifi while a game is running causes the Lenovo S939 to freeze or crash
UE - Platform - Mobile - Jan 5, 2016When turning on the wifi connection on the device, the game either crashes on the device or it'll freeze for about 15 to 30 seconds. Devices: 5231_S939 (ARM Mali-450 MP4; 4.4.2) - occurs on 2894_G ...
Sun is rendered badly or not showing on mobile devices.
UE - Platform - Mobile - Jan 27, 2015When you deploy the First Person Template to a mobile device, the sun will appear badly rendered or not rendered at all. Tested on iPhone5S, iPad Air, GalaxyS3 Mail, Nexus 6, iPad Air 2, Nexus 5, G ...
When using simple HMD plugin on mobile the camera can get stuck at 45 -90 angle even though the device it back in it's original position
UE - Platform - XR - Jan 19, 2016If the user uses the simple HMD plug in, then launches on to a device and then follow up by spinning the device a few time the camera will become offset at an odd angle (Reset orientation and positi ...
Input Axis Mapped to 'Pinch' no longer sends Axis Value
UE - Platform - Mobile - Feb 15, 2019Axis Event mapped to pinch no longer returns values. Working in 4.19 Confirmed on Android + iOS Confirmed in MAIN 4.23 @ CL 4961509 ...
Button remains in hovered state on mobile device
UE - Editor - UI Systems - Jul 11, 2016If the user touches the screen of a mobile device and then drags their finger over a button the button will remain highlighted as though it were being hovered. Note: This was tested on the Samsung ...