Unreal Engine Issues
Unreal Engine Issues
4.22.1 Crash in FVulkanResourceMultiBuffer::Lock
UE - Rendering Architecture - RHI - Jul 31, 2019Vulkan Multibuffer Lock mechanism for ReadOnly does not appear to be implemented. Temporary workaround has been provided to licensee. ...
Pointer being freed was not allocated on IOS with MallocBinned2
UE - Platform - Mobile - Apr 15, 2024Slack thread [Link Removed] Probably related to the same issue seen on Android, explained here: [Link Removed] ...
Material rendering incorrectly when using DepthFade on iOS
UE - Platform - Mobile - Sep 9, 2019This issue only occurs on iOS and does not reproduce on Windows or Android. I have seen that the SceneDepth value of the DepthFade node may not be compared correctly. ...
Crash with Assertion failed shortly after launching packaged First Person CPP project on Oculus Mobile - Referencing SparseArray.h:86/87
UE - Platform - XR - Apr 30, 2019The following assertion throws after the project crashes when playing on the device: Assertion failed: Index < GetMaxIndex() [File:D:/P4Workspaces/Switch_3/Engine/Source/Runtime/Core/Public/Contai ...
Materials not showing up in HUD on mobile
UE - Platform - Mobile - Dec 1, 2015When launching a project onto a mobile device that has a material that is shown via the hud blueprint. The material does not render. ...
Score does not show up in Puzzle Template on iOS
UE - Platform - Mobile - Oct 31, 2016Score is not displaying on iOS devices Tested on iPhone6S+_6241 OS: 9.3.5 The score displays fine on Android. ...
GooglePAD ondemand assetpack file packaged redundantly in obb file
UE - Platform - Mobile - Mar 19, 2021In order to distribute content within GooglePAD's distribution size limit. (1GB for install-time, 500MB for fast-follow, and 500MB for on-demand) we are trying to package it as assetpack by dividing ...
Mobile projects crash with Event Driven Loader disabled
UE - Platform - Mobile - Feb 21, 2019iOS + Android apps will crash on launch if Event Driven Loader is disabled. Confirmed in 4.23 MAIN at CL 5035898 ...
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 ...