Latest Issues and Bug Reporting (Unreal Engine) topics

Topic	Replies	Views	Activity
Crashed and wont open without crashing GAIN unreal-engine	0	29	October 13, 2026
5K2K scaling issue on UE5 bug-report , unreal-engine	0	25	October 13, 2026
UE5.8 GASP slide issue in Shipping build unreal-engine	1	74	October 13, 2026
UE 5.8.3 Mac M1 OnMouseButtonDown override returns nothing Input , unreal-engine , Widget , Macos	1	64	October 13, 2026
[UE 5.8.3][macOS] UBA orphan cleanup shell revokes debugger terminal, causing Python initialization breakpoint unreal-engine	0	42	October 12, 2026
UE MCP Global setting needed unreal-engine	0	19	October 12, 2026
"Project Settings" menu missing in UEFN — cannot enable UEFN MCP Toolsets unreal-engine	2	166	October 12, 2026
UE5.8 Unable to build Game on macOS 27 MAC , unreal-engine , fixed	15	951	October 12, 2026
[Linux][Vulkan] Editor crash (SIGSEGV in NVIDIA driver) in FVulkanSwapChain::AcquireImageIndex WaitForFence after out-of-date swapchain under XWayland. Workaround: r.Vulkan.CpuWaitForFence=0 unreal-engine	0	93	October 12, 2026
5.8.1 dev-slim container includes a UBA file that decompresses to 1TB file on disk unreal-engine , container	2	112	October 12, 2026
[UE 5.8.3][Editor] Level viewport settings (show flags such as Grid) are lost on Cmd+Q / File > Exit; only the window close button saves them unreal-engine	0	43	October 11, 2026
Control rig bends the knees of my mocap MH animations unreal-engine	0	32	October 11, 2026
[UE 5.8.3][Lumen] Broad interior light leakage in a sealed stock-cube room with Screen Probe Gather Lumen , Rendering , unreal-engine , Ray-Tracing	0	74	October 11, 2026
Unreal Engine Library empty — "found 0 entitled apps" / "Loaded 0 item files" but account HAS the UE entitlement question , bug-report , unreal-engine	0	103	October 11, 2026
PROBLEMA VERSIÓN UEFN - MODO CREATIVO question , unreal-engine , unreal-editor-for-fortnite , fortnite-creative	0	41	October 11, 2026
FSavedMove_Character::CanCombineWith compares movement base pointers, so moves never combine on Movable bases CPP , characters , unreal-engine , charactermovementcom	0	35	October 11, 2026
Proejct based plugin's verse package do not generate and is not visible in UE6-main unreal-engine	1	41	October 11, 2026
UE 5.5 Niagara particle becomes invisible randomly unreal-engine	0	50	October 10, 2026
UE 5.8 Project is incompatible with VS CPP , unreal-engine	1	107	October 10, 2026
Can't login unreal engine 5 question , unreal-engine	0	20	October 10, 2026
Holes in Navmesh bug-report , Landscape , bug , unreal-engine , navigation-mesh , ai-navigation , landscape-problems	5	179	October 10, 2026
[5.8.3] Movie Render Graph does not render SkyAtmosphere for .png and .exr outputs. unreal-engine	0	64	October 9, 2026
[UE 5.8.3][Unreal MCP] BlueprintTools.set_pin_value does not mark Blueprint dirty, causing silent data loss bug-report , unreal-engine	0	39	October 9, 2026
Additive base pose sampled at the wrong time for Ref Frame Index > 0 (off-by-one in GetSequencePose) bug-report , unreal-engine	0	93	October 9, 2026
Widget Blueprint function rename crashes editor with OldName/NewName != NAME_None assertion Blueprint , unreal-engine , Widget , open	1	67	October 8, 2026
The "Scripted Asset Actions" feature in UE5.8 is no longer available. unreal-engine	6	448	October 8, 2026
Twinmotion keeps crashing when trying to open twinmotion	0	45	October 8, 2026
[UE 5.8] Stair-stepped silhouette edges and crawling at 1080p across AA methods — minimal repro bug-report , Rendering , unreal-engine	0	47	October 8, 2026
UE 5.8.3 MetaHuman Auto-Rigging Issue - Facial bones misplaced when fitting head mesh to custom body proportions unreal-engine , metahuman	0	56	October 8, 2026
Metahuman hair glows question , unreal-engine , metahuman	0	34	October 8, 2026