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
eta Quest 3 - Distant surfaces look pixelated / blocky in VR XR Development unreal-engine	0	7	March 11, 2026
Steam Overlay Glitched on Mac Apple Silicon UE 5.5.3 Platform & Builds question , Steam , MAC , unreal-engine	5	185	March 11, 2026
How to Promote Mobile game without money? Mobile Android , unreal-engine	8	3625	March 11, 2026
I cant delete level. It claims still referenced in memory. Then crashes if i force delete. Debugging, Optimization, & Profiling question , bug-report , unreal-engine	4	23	March 11, 2026
Can we see individual node performance/cost when making a material ? Debugging, Optimization, & Profiling question , Optimization , unreal-engine , shader	0	6	March 11, 2026
Where list "Settings" in Toolbar in UE 5.7 Platform & Builds question , editor , unreal-engine	1	11	March 11, 2026
Help with packaging error Results Platform & Builds question , unreal-engine	1	11	March 11, 2026
Any Playstation DEv here? Platform & Builds Blueprint , question , unreal-engine	0	7	March 11, 2026
Trying to set up Linux UBA agents Platform & Builds question , unreal-engine	0	11	March 11, 2026
Build missing project module Platform & Builds question , Builds , unreal-engine , UE5-0	2	1022	March 10, 2026
[UE 5.7.3] MRUK Error 3: Anchor Discovery Failed with Epic Native OpenXR and DX12 XR Development question , unreal-engine , api , OpenXR	2	28	March 10, 2026
Blueprint Debugging Mobile Android , unreal-engine	3	1067	March 10, 2026
Assertion failed: (((HRESULT)(::DwmExtendFrameIntoClientArea(HWnd, &Margins))) >= 0) [File:D:\build\++Distro\Sync\Engine\Source\Runtime\ApplicationCore\Private\Windows\WindowsWindow.cpp] [Line: 359] Debugging, Optimization, & Profiling unreal-engine	3	384	March 10, 2026
Instanced Stereo broken in 5.6? XR Development unreal-engine	15	944	March 10, 2026
nDisplay on Linux is showing a rainbow-colored image, but Editor renders fine Platform & Builds UE4-27 , Linux , question , unreal-engine , ndisplay	6	1313	March 10, 2026
Any Optimization Tips? Debugging, Optimization, & Profiling question , unreal-engine	27	55	March 9, 2026
Edit window fails to open most assets Platform & Builds question , Assets , unreal-engine , window	19	1197	March 9, 2026
set position in viewport widget not working Debugging, Optimization, & Profiling question , Debugging , unreal-engine , UE5-0	18	10101	March 9, 2026
Streaming Manager Update Crash on Landscape Proxy following code change in 5.7 (CL 42967251) Platform & Builds question , unreal-engine , Epic-Pro-Support	5	36	March 9, 2026
How to fix the Shader Complexity viewport? Debugging, Optimization, & Profiling question , unreal-engine	2	13	March 9, 2026
UI Freezes after exiting "Play this level in VR" XR Development unreal-engine	0	14	March 8, 2026
Use SteamVR with WMR as the OpenXR runtime XR Development unreal-engine	3	24	March 7, 2026
Unsupported 16-bit application Platform & Builds question , editor , crash , unreal-engine	6	3079	March 7, 2026
Cloth mesh is simulating but not following the character’s animation or body movement Debugging, Optimization, & Profiling question , unreal-engine , metahuman	1	77	March 7, 2026
Blueprint orange flow lines/pulse lines not showing Debugging, Optimization, & Profiling question , bug-report , unreal-engine	1	14	March 7, 2026
HISPlayer - HTTP Live Streaming (HLS) and MPEG-DASH video streaming plugin for Unreal Engine Games and VR/AR apps. XR Development Android , unreal-engine , Mobile , windows , video , android-device , oculus-vr , live-video , vulkan , pixelstreaming	4	5854	March 6, 2026
"Project contains multiple Game targets but no DefaultGameTarget is set in the [/Script/BuildSettings.BuildSettings] section of DefaultEngine.ini" Platform & Builds question , unreal-engine	16	3359	March 6, 2026
FREE Video Player for Android, Windows, iOS, and Mac Platform & Builds pc , iphone , MAC , unreal-engine , Mobile , windows , video , android-device , vulkan , OpenXR	0	12	March 6, 2026
Does Niagara support on LinuxArm64? Platform & Builds question , Rendering , unreal-engine	1	111	March 6, 2026
How to launching a PIE session from code Platform & Builds question , unreal-engine , automated-testing	4	4058	March 5, 2026