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
UE 5.8 preview on macOS & Xcode 26.5 is crashing Platform & Builds question , unreal-engine	7	429	June 28, 2026
Install/archive issue in 5.8 for iOS Mobile question , unreal-engine	0	12	June 27, 2026
Nanite and Raytracing using increasing amounts of VRAM in 5.6.1 after upgrading from 5.4.4 Debugging, Optimization, & Profiling question , unreal-engine	18	1012	June 27, 2026
How to do mirrors in VR Standalone XR Development question , unreal-engine	2	36	June 26, 2026
implementation of OpenXR 1.1 Spatial Anchors - XR_EXT_spatial_anchor XR Development unreal-engine , oculus-quest , OpenXR	1	129	June 26, 2026
Video Materials with Alpha Channel Platform & Builds question , twinmotion	1	98	June 26, 2026
Twinmotion2025.2无法安装成功 Platform & Builds question , twinmotion	0	17	June 25, 2026
Unhandled exception: Exception: UBA executor is not expected to be invoked from a recursive UBT call. Platform & Builds question , unreal-engine	0	41	June 24, 2026
UbaSessionServer - Killed process Module.UbaCommon.2.cpp Debugging, Optimization, & Profiling question , editor , unreal-engine	1	63	June 23, 2026
Horde: file list create and read from different locations Platform & Builds question , unreal-engine	1	75	June 23, 2026
Custom hardware cursor doesn't work in packaged project Platform & Builds question , CPP , UE4 , packaging-projects , bug-report , cursor , unreal-engine	7	3326	June 23, 2026
Knowledge Base: Optimization Challenge Videos Debugging, Optimization, & Profiling unreal-engine	6	832	June 23, 2026
UE5.6 Packaged build missing Content - ZenStore not writing pak files to staged build Platform & Builds unreal-engine	1	79	June 23, 2026
Facing a Landscape LOD issue only on Android. Mobile question , Landscape , unreal-engine , landscape-lod	1	62	June 22, 2026
I downloaded Unreal Engine 5.8, but when I try to open it, a tab crashes and I can't use it. I uninstalled it and downloaded it again, but the same tab problem persists. Can someone please help me? Mobile unreal-engine	0	51	June 22, 2026
Custom Headless DataStream Architecure: Custom Engine Build Debugging, Optimization, & Profiling CPP , unreal-engine	0	44	June 21, 2026
Building a Digital Twin XR Campus: Best practices for multiplayer lectures & database-linked attendance? XR Development question , Multiplayer , Networking , unreal-engine , Augmented-Reality , virtual , OpenXR , realityscan , realityscan-mobile	0	47	June 21, 2026
Crash in FAsyncPackage2::EventDrivenCreateExport when loading blueprint Platform & Builds question , unreal-engine , Epic-Pro-Support	2	234	June 20, 2026
Epic Games Launcher keeps crashing after unintalling UE 5.7 Platform & Builds question , crash , unreal-engine	1	61	June 20, 2026
The Great PCVR challenges: cost, friction and dated paradigm XR Development unreal-engine	2	96	June 20, 2026
easy anti cheat error Debugging, Optimization, & Profiling question , unreal-engine , fortnite	0	82	June 19, 2026
Has Unreal on macOS improved? Platform & Builds unreal-engine	0	64	June 19, 2026
Error opening asset on 5.6 - bCustomPropertyListForPostConstructionInitialized - Custom Property List Not Initialized Platform & Builds question , unreal-engine , Epic-Pro-Support	28	1440	June 19, 2026
探讨一个虚幻引擎专用服务器（DS）的性能压测工具设计，目前已实现物理与网络同步场景 Platform & Builds unreal-engine , Performance-Profiling	0	48	June 18, 2026
VR Expansion Plugin XR Development unreal-engine	5135	537516	June 18, 2026
UE 5.6 + PICO OpenXR: "xmlns:android is a duplicate attribute name" — full breakdown and working fix Platform & Builds crash , bug-report , build , unreal-engine	0	44	June 17, 2026
Building from source for UE 4.6 to 4.10 Platform & Builds question , CPP , bug-report , unreal-engine	0	54	June 17, 2026
WebForm to request console access broken Platform & Builds question , bug-report , unreal-engine	2	121	June 16, 2026
Missing UnrealBuildTool.exe after build Platform & Builds unreal-engine , unrealengine4	22	6026	June 15, 2026
Support for HTML5 Platform & Builds HTML5 , unreal-engine , web-browser	0	52	June 15, 2026