Development Platform & Builds

XR Development All things virtual, augmented, and mixed reality. Mobile For mobile development discussions, including Android, iOS, and beyond. Please use appropriately named TAGS. Debugging, Optimization, & Profiling Looking for discussions on debugging, optimizing and profiling your projects? This is the place for you. 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
Datasmith new Exporter for Archicad 29 Installation Problem. XR Development question , twinmotion	1	35	July 23, 2026
How to fix the Shader Complexity viewport? Debugging, Optimization, & Profiling question , unreal-engine	5	98	July 23, 2026
Android 16 (API level 36) by Aug31 Mobile unreal-engine	3	65	July 22, 2026
Instanced Stereo + deferred rendering broken in 5.8 XR Development crash , unreal-engine , Virtual-Reality , Desktop-VR , OpenXR	3	71	July 20, 2026
Game compiles but always switches to development despite being set to shipping. Platform & Builds editor , bug-report , unreal-engine	2	76	July 18, 2026
Passthrough Underlay No Longer Working on Meta Quest 3 with Latest Firmware and Quest Link Update XR Development unreal-engine	4	393	July 17, 2026
VRspectator & Lumen? XR Development question , unreal-engine	3	405	July 17, 2026
Mac can't generate xcode project files Platform & Builds UE4-27 , question , MAC , unreal-engine	14	8130	July 16, 2026
MetaQuest 3 Eye Height XR Development question , twinmotion	5	104	July 16, 2026
Different behavior with packaged build Platform & Builds question , packaging-projects , unreal-engine , build-editor	4	1284	July 16, 2026
Serial size mismatch when open project Debugging, Optimization, & Profiling question , crash , bug-report , unreal-engine	1	418	July 15, 2026
Pawns don’t respond suddenly XR Development question , unreal-engine	2	69	July 15, 2026
implementation of OpenXR 1.1 Spatial Anchors - XR_EXT_spatial_anchor XR Development unreal-engine , oculus-quest , OpenXR	2	209	July 13, 2026
Why do deleted Content Browser folders reappear? Platform & Builds question , editor , bug-report , content-browser , folders , directory , unreal-engine	53	14397	July 13, 2026
Unreal Editor crashes on Ubuntu with 20 GB of VRAM Platform & Builds question , unreal-engine , linux-build	2	1094	July 12, 2026
Cant Package Project in SHIPPING configuration in UE5.6 Platform & Builds question , bug-report , unreal-engine	24	1888	July 12, 2026
Unhandled exception: Exception: UBA executor is not expected to be invoked from a recursive UBT call. Platform & Builds question , unreal-engine	1	151	July 12, 2026
UE 5.8 - Ray Tracing Geometry budget shows 15.999 EiB, warnings always fire (bug?) Debugging, Optimization, & Profiling bug-report , unreal-engine	2	178	July 11, 2026
Visual issue when packaging project Platform & Builds question , unreal-engine	0	75	July 11, 2026
UE 5.8 Lighting fails to build on the Mac Platform & Builds question , unreal-engine	0	46	July 11, 2026
How Does One Update To New Version Of OpenSSL Platform & Builds question , unreal-engine	0	43	July 11, 2026
Particle Cutout not working on Android Mobile Android , question , Rendering , unreal-engine	1	241	July 10, 2026
GeometryCache error on Android Mobile question , bug-report , unreal-engine	1	155	July 10, 2026
Unreal Enigine 5.8 full of bugs Debugging, Optimization, & Profiling question , unreal-engine	0	58	July 9, 2026
Can't properly control camera when ejected from the player Platform & Builds question , editor , unreal-engine	4	228	July 9, 2026
Nav-related Crash in Shipping Build only Platform & Builds question , unreal-engine	1	93	July 9, 2026
How to package game as an APK? Mobile Android , question , UE4 , packaging-projects , unreal-engine , apk , Packaging	8	18198	July 8, 2026
Twinmotion 2026.1.0 (offline version) downloaded from your developer site - not installing fully Platform & Builds question , twinmotion	0	36	July 7, 2026
Missing reference to LowLevelTasks::FTask::ActiveTask in android build Mobile question , unreal-engine , Epic-Pro-Support	11	596	July 7, 2026
Cooking on the fly - Mobile Platform & Builds question , unreal-engine	2	2640	July 6, 2026