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
Anyone got haptic effect curves to work on android? Mobile question , unreal-engine	6	23	March 21, 2026
Issues with the week one quest for the rivaled kicks Debugging, Optimization, & Profiling question , unreal-engine , fortnite	1	3	March 21, 2026
how to get unreal engine 5.7.3 to launch Debugging, Optimization, & Profiling question , unreal-engine	2	160	March 21, 2026
Difference in memory allocators Platform & Builds question , unreal-engine , Epic-Pro-Support	8	34	March 21, 2026
c++ustruct error in blueprint project Debugging, Optimization, & Profiling Blueprint , question , unreal-engine	0	7	March 21, 2026
Web browser super low fps Debugging, Optimization, & Profiling Performance , question , unreal-engine , low-fps , webbrowser	6	2770	March 20, 2026
Mobile File Picker for Android/iOS in UE 5.7 Mobile unreal-engine	1	5	March 20, 2026
Epic Broke Unreal Engine 4 - Failed To Launch Editor On Nearly All UE4 Projects Platform & Builds editor , CPP , crash , bug-report , unreal-engine	53	2757	March 20, 2026
Code Breaks On Every Project Restart Debugging, Optimization, & Profiling question , unreal-engine , engine , restart , data-table	0	12	March 19, 2026
VR DEATH SIMULATION XR Development Blueprint , question , unreal-engine	4	20	March 19, 2026
PCG deadlock due lack of brackground workers Platform & Builds question , unreal-engine , Epic-Pro-Support	7	46	March 19, 2026
boat float Platform & Builds Blueprint , question , editor , crash , unreal-engine , fab	1	10	March 19, 2026
360 Stereoscopic video VR XR Development Blueprint , question , unreal-engine	3	39	March 19, 2026
Failed to generate project files. Unreal Engine 4.27 plus version Debugging, Optimization, & Profiling question , unreal-engine	1	11	March 19, 2026
Switch statement failed to match case for index property Platform & Builds Switch , question , unreal-engine	6	1974	March 18, 2026
Packaged Game crashes when removing PCGStamp Actors from map before packaging (UE 5.7.4) Platform & Builds crash , bug-report , unreal-engine , Packaging	2	25	March 18, 2026
UE5.7 Packaging Error: "World Partition reached the current limit of large world coordinates" after upgrading from UE5.3 Platform & Builds unreal-engine , UE5	7	40	March 18, 2026
iOS Startup Movie vertically compressed in UE 5.7 Mobile bug-report , unreal-engine	2	117	March 18, 2026
Read and write Json file using blueprints Cloud Marketplace VM Blueprint , question , unreal-engine , metahuman	2	15	March 18, 2026
Geolocation Not Working in Twinmotion – OpenStreetMap Failed to Connect Platform & Builds twinmotion	3	97	March 18, 2026
Crash on launch on Android after upgrading from UE 5.6 to UE 5.7 Mobile Android , crash , Rendering , unreal-engine , Mobile , Cooking	4	129	March 18, 2026
Hi i shere a PS5 dev somewhere? Platform & Builds question , unreal-engine	0	8	March 18, 2026
Mobile Game performance drops after Android phone locked and unlocked UE5 Mobile question , bug-report , unreal-engine , packaged-game	8	842	March 18, 2026
Horde: file list create and read from different locations Platform & Builds question , unreal-engine	0	14	March 17, 2026
UE5.5 Compiled from Source Can't Find Linux SDK Platform & Builds question , unreal-engine	1	27	March 17, 2026
Failed to open description file ../.../.../ Mobile question , bug-report , unreal-engine	1	15	March 16, 2026
CRITICAL: Global Node UID Corruption - 104GB Data Mismatch Platform & Builds question , bug-report , unreal-engine , epic-games-store , unreal-editor-for-fortnite	0	12	March 16, 2026
UE 5 Unreal Frontend Profiler removed? Debugging, Optimization, & Profiling question , unreal-engine	15	9069	March 16, 2026
Has anyone actually got USD to work at runtime on a packaged build! Platform & Builds question , unreal-engine	12	1981	March 16, 2026
Lumen performance vs Raytracing Platform & Builds Lumen , unreal-engine	33	15441	March 16, 2026