Development Platform & Builds

XR Development All things virtual, augmented, and mixed reality. Debugging, Optimization, & Profiling Looking for discussions on debugging, optimizing and profiling your projects? This is the place for you. Mobile For mobile development discussions, including Android, iOS, and beyond. Please use appropriately named TAGS. Cloud Marketplace VM Our Cloud Marketplace Virtual Machines with Unreal Engine come pre-loaded with the latest release of UE and all its prerequisites, so you can get straight to creating in the cloud with no downloads or installs. Use it as a starting point for your team’s virtual workstations or other cloud-driven content creation pipelines for virtual production, gaming, automotive design, digital twins, and more.

Topic	Replies	Views	Activity
My game crash immediately after splash screen on Galaxy A57 (Android 16 / One UI 8.5, Exynos) in UE 5.8 \| Works on Snapdragon Mobile question , crash , bug-report , unreal-engine	1	36	September 27, 2026
Accessing a external text file on android Mobile unreal-engine	1	105	September 26, 2026
Problem with Mobile Patching Mobile question , UE4 , bug-report , unreal-engine	13	1629	September 25, 2026
[UE 5.8][zh-Hans][CommonUI] “Normal” button state is incorrectly translated as “法线” Debugging, Optimization, & Profiling unreal-engine	0	18	September 24, 2026
Game executable file creates infinite loop calling itself XR Development question , unreal-engine	0	21	September 24, 2026
Android 16 (API level 36) by Aug31 Mobile unreal-engine	14	621	September 23, 2026
Epic Broke Unreal Engine 4 - Failed To Launch Editor On Nearly All UE4 Projects Platform & Builds editor , CPP , crash , bug-report , unreal-engine	54	3874	September 22, 2026
UE 5.8 crashes during use. Platform & Builds question , unreal-engine	3	177	September 22, 2026
Can't launch APK on Android Mobile Android , unreal-engine	4	1535	September 22, 2026
Passthrough Underlay No Longer Working on Meta Quest 3 with Latest Firmware and Quest Link Update XR Development unreal-engine	5	497	September 21, 2026
[UE 5.7.3] MRUK Error 3: Anchor Discovery Failed with Epic Native OpenXR and DX12 XR Development question , unreal-engine , api , OpenXR	3	266	September 21, 2026
Crashes in Epic Games Launcher refer to libtbb.dylib Mobile unreal-engine , epic-games-launcher	0	22	September 21, 2026
How to create an Unreal Engine Installed Build using Unreal Horde Platform & Builds question , unreal-engine	0	45	September 20, 2026
Cannot install Android SDK despite versions matching. Mobile question , unreal-engine	0	38	September 20, 2026
How do i make Unreal Engine use less RAM Debugging, Optimization, & Profiling question , unreal-engine	0	28	September 20, 2026
Best combination for location based AR? Mobile Android , question , unreal-engine , UE5-0	1	559	September 20, 2026
Steam Online Subsystem Not Working For Me Platform & Builds question , Steam , Plugins , unreal-engine , onlinesubsystem , subsystem , online-subsystem	4	70	September 19, 2026
Unreal Tests on Github Actions with Test Reporter Platform & Builds unreal-engine	1	101	September 17, 2026
MacOS 27.0 Released, SDK Needs to be Updated Platform & Builds unreal-engine , Macos	3	114	September 17, 2026
Finally, a solution to Android Vulkan video performance (360, 8k, Quest 3 etc)! Platform & Builds unreal-engine , video , android-device , vulkan	14	2192	September 16, 2026
Steam Frame experience with Unreal XR Development unreal-engine	0	57	September 16, 2026
iOS 26 SDK & App Store Submission Mobile iOS , xcode , unreal-engine , xcode-ios	11	627	September 15, 2026
UE 5.8 - Ray Tracing Geometry budget shows 15.999 EiB, warnings always fire (bug?) Debugging, Optimization, & Profiling bug-report , unreal-engine	3	648	September 15, 2026
UE 5.7.4 crashes when i open my project Platform & Builds question , unreal-engine	1	54	September 15, 2026
Nanite Performance is Not Better than Overdraw Focused LODs [TEST RESULTS]. Epic's Documentation is Dangering Optimization. Debugging, Optimization, & Profiling bug-report , Rendering , unreal-engine	449	70222	September 14, 2026
Xbox fps drops. Platform & Builds bug-report , unreal-engine	0	37	September 14, 2026
Have you ever seen PixelStreaming with small latency? Platform & Builds question , unreal-engine , pixelstreaming	0	26	September 14, 2026
Can you help me find what made my package fail? Cloud Marketplace VM question , packaging-projects , unreal-engine , UE5	3	125	September 13, 2026
UE5 TO ANDROID APP ICONS Mobile question , unreal-engine	1	130	September 12, 2026
5.7.0 - Could not overwrite project properties file Mobile Android , unreal-engine , Augmented-Reality , ARCore	1	240	September 12, 2026