Development Platform & Builds

Debugging, Optimization, & Profiling Looking for discussions on debugging, optimizing and profiling your projects? This is the place for you. XR Development All things virtual, augmented, and mixed reality. 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
How to update steam achievement progress? Platform & Builds question , Steam , unreal-engine , steamworks	7	4221	January 30, 2026
unreal keep crashing my whole pc Debugging, Optimization, & Profiling question , crash , bug-report , unreal-engine	0	6	January 30, 2026
[Engine Bug] Instanced Stereo Rendering + Sequencer and Cinecam. XR Development unreal-engine	6	65	January 30, 2026
Projects across multiple computers Platform & Builds question , unreal-engine	1	22	January 30, 2026
UEFN/Fortnite optimization is broken Debugging, Optimization, & Profiling fortnite , unreal-editor-for-fortnite , fortnite-creative	0	4	January 30, 2026
How to solve packaging errors Platform & Builds question , unreal-engine	1	87	January 30, 2026
[Mutable] Crash in MeshApplyShape() in packed game Debugging, Optimization, & Profiling question , crash , bug-report , Plugins , memory , unreal-engine , Packaging , access-violation	0	10	January 29, 2026
UE 5.7.1 (GitHub source): Android Vulkan crash [VK_ERROR_FEATURE_NOT_PRESENT] Mobile question , unreal-engine	2	80	January 29, 2026
UE 5.7 Build process is messed up Platform & Builds unreal-engine	3	72	January 29, 2026
GShaderHashCache crash on startup in cooked development build, Windows x64 Platform & Builds question , CPP , crash , build , unreal-engine , development , cooked	0	7	January 29, 2026
GShaderHashCache crash on startup in cooked development build Platform & Builds question , CPP , crash , build , unreal-engine , development , cooked	0	8	January 29, 2026
Visible Tiling on Android Mobile question , Rendering , unreal-engine	2	11	January 29, 2026
Command line arguments on iOS Platform & Builds question , unreal-engine	0	9	January 29, 2026
Android SDK License Mobile question , editor , unreal-engine	1	9	January 29, 2026
5.7 Engine build error when linux server is enabled Platform & Builds question , unreal-engine	0	9	January 29, 2026
New Packaged version of Project missing half of textures Platform & Builds question , unreal-engine	1	20	January 29, 2026
Collection of visionOS (26.2) and Vision Pro issues and hopes for any timeline to resolve them XR Development question , unreal-engine	10	173	January 29, 2026
Fix for VR Deferred rendering in UE 5.6 XR Development unreal-engine	17	1221	January 28, 2026
Assertion error with IOStore in UE 5.6 Platform & Builds question , crash , bug-report , unreal-engine	3	85	January 28, 2026
AutomationTool Exited with ExitCode 6 Debugging, Optimization, & Profiling UE4-26 , question , unreal-engine	33	37848	January 28, 2026
UE5.7.1 ProjectLauncher Packaging Error when build .pak file Platform & Builds question , editor , build , unreal-engine , build-failed , package-error , Cooking , Packaging , project-launcher , Cooking-Failed	5	62	January 28, 2026
Anything I can do to stop frequent Unreal Engine 5.5.4 crashes? Platform & Builds question , unreal-engine	1	598	January 27, 2026
UE5.7+, use project-launcher do cooking, it alway set "-zenstore" enabled. Platform & Builds packaging-projects , unreal-engine , Cooking , project-launcher	0	19	January 27, 2026
UE5.7.2使用projectlauncher打pak，不选iostore会报错 Platform & Builds question , unreal-engine , Packaging , project-launcher , pak	1	26	January 27, 2026
Migrating .umap from a standalone project Platform & Builds question , unreal-engine	0	8	January 27, 2026
Unreal 5.6.1 Mac version downloaded from the Epic Games launcher crashes on launch after completing 10% initializing in the popup modal Platform & Builds question , unreal-engine	4	266	January 27, 2026
Package Error? Platform & Builds question , unreal-engine	3	728	January 27, 2026
Unable to Install Unreal Engine 5.7 — Error MD-DL-0 Platform & Builds bug-report , launcher , Installation , unreal-engine	30	4095	January 27, 2026
Game Crash as Client in 5.6.* and 5.7 XR Development unreal-engine	16	557	January 27, 2026
Optimization for Execute Background Task - Question Debugging, Optimization, & Profiling question , Optimization , CPU , unreal-engine , CPU-Profiling , Unreal-Insights	0	11	January 27, 2026