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
Epic Games Launcher keeps crashing after unintalling UE 5.7 Platform & Builds question , crash , unreal-engine	0	2	June 20, 2026
The Great PCVR challenges: cost, friction and dated paradigm XR Development unreal-engine	2	61	June 20, 2026
easy anti cheat error Debugging, Optimization, & Profiling question , unreal-engine , fortnite	0	11	June 19, 2026
Has Unreal on macOS improved? Platform & Builds unreal-engine	0	19	June 19, 2026
Error opening asset on 5.6 - bCustomPropertyListForPostConstructionInitialized - Custom Property List Not Initialized Platform & Builds question , unreal-engine , Epic-Pro-Support	28	1386	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	15	June 18, 2026
VR Expansion Plugin XR Development unreal-engine	5135	534531	June 18, 2026
UE 5.8 preview on macOS & Xcode 26.5 is crashing Platform & Builds question , unreal-engine	5	323	June 17, 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	19	June 17, 2026
Building from source for UE 4.6 to 4.10 Platform & Builds question , CPP , bug-report , unreal-engine	0	26	June 17, 2026
WebForm to request console access broken Platform & Builds question , bug-report , unreal-engine	2	35	June 16, 2026
Missing UnrealBuildTool.exe after build Platform & Builds unreal-engine , unrealengine4	22	5850	June 15, 2026
Support for HTML5 Platform & Builds HTML5 , unreal-engine , web-browser	0	27	June 15, 2026
My landscape in not loading in distance and the billboards textures shows dithered textures Mobile Android , question , Landscape , unreal-engine , Android-Packaging	1	44	June 15, 2026
Landscape Spline Road Merged Into One Static Mesh Doesnt Use LODs Debugging, Optimization, & Profiling question , editor , staticmesh , actors , Debugging , Tools , landscape-splines , Optimization , Spline , please-help-me , unreal-engine , actor , need-help , Splines , splinemeshcomponent , ue4-editor , spline-mesh-componen , landscape-lod , UE5 , unreal	1	181	June 15, 2026
My own locker bundle Mobile fortnite , epic-games-store , fortnite-creative	0	9	June 14, 2026
Two Handed VR Weapon XR Development Blueprint , question , unreal-engine	0	34	June 13, 2026
[Feature Request] AI-Driven Platform-Specific Backend Optimization for Cross-Platform Compilations Platform & Builds FeatureRequest , Optimization , unreal-engine , Automation , cross-platform	0	28	June 12, 2026
Unreal Engine Creative Loading Screen Bug taking to long to load in and sometimes kicking player back to lobby Platform & Builds bug-report , bug , unreal-engine , fortnite	0	31	June 12, 2026
Where should I be looking from error messages like this for debugging? Debugging, Optimization, & Profiling question , unreal-engine	0	30	June 12, 2026
Unreal 5.4 crash/will not start "DerivedDataCache" Platform & Builds unreal-engine	37	15237	June 11, 2026
Datasmith new Exporter for Archicad 29 Installation Problem. XR Development question , twinmotion	0	19	June 10, 2026
ue5.7 lyra mobile Android game crash after splashscreen Mobile unreal-engine	11	215	June 8, 2026
Unreal Engine 5.6/5.7 fails to start on Apple M5 + macOS 26 Platform & Builds question , unreal-engine	2	178	June 6, 2026
Mac application memory Platform & Builds question , editor , CPP , unreal-engine	3	213	June 6, 2026
What could be causing my landscape to flicker in VR? XR Development question , unreal-engine , landscape-problems	1	110	June 5, 2026
UAT Only Generating 1 Pak File Platform & Builds question , unreal-engine , uat , Packaging , Chunking	1	35	June 5, 2026
Unreal Engine PIE setup for HTC XR Elite XR Development question , editor , unreal-engine	2	687	June 5, 2026
How do I exclude unit test compilation during the building or packaging process? Platform & Builds unreal-engine	0	27	June 4, 2026
Ue5.7 crash on Ubuntu22.04 Platform & Builds question , unreal-engine	0	51	June 4, 2026