Latest Issues and Bug Reporting (Unreal Engine) topics

Topic	Replies	Views	Activity
Steering or Offset Root Bone Behavior Regression in 5.8 Blueprint , unreal-engine	0	44	September 16, 2026
[UE 5.8.1, UE 5.8.2] Switch to forward renderer causing visual artifact with spot light and point light Lighting , Rendering , unreal-engine , Forward-Rendering	1	132	September 16, 2026
日本語ドキュメントの不具合 documentation , unreal-engine , documentation-bug	0	23	September 16, 2026
[UE 5.8] Substrate Toon Profile Override in Material Instance fails to apply after restarting the Editor unreal-engine	3	270	September 16, 2026
Cannot load code snippet on "Gameplay Ability System - Best Practices for Setup" bug-report , unreal-engine , open , fortnite , unreal-editor-for-fortnite	3	108	September 16, 2026
(STEAM DEPOT) You do not have any debugging symbols required to display the callstack for this crash. question , crash , bug-report , unreal-engine	1	74	September 16, 2026
MRQ Basic Settings and Syncsketch failing to transcode unreal-engine	1	47	September 15, 2026
[5.8] 3D Widget Interaction fails on iOS devices (Works in Editor and UE 5.7) unreal-engine	0	49	September 15, 2026
[UE5.8.2][D3D12][AMD] Directional Light RT Shadow causes GPU crash unreal-engine	2	175	September 15, 2026
Sequencer Anim Mixer crashes editor when compiling Anim Blueprint with a custom node deriving from FAnimNode_DeadBlending unreal-engine	0	36	September 15, 2026
[5.8.2] Cloth physics seems to flicker/on off when performance drops Cloth , unreal-engine	0	57	September 15, 2026
[UE5.8.1] Older materials ignore Opacity Mask and AO when using substrate bug-report , unreal-engine	4	175	September 15, 2026
UE 5.8.2 Slate/GraphEditor access violations; DX12 greatly increases crash frequency, DX11 only mitigates Blueprint , editor , crash , bug-report , slate , unreal-engine , dx12	0	83	September 14, 2026
Procedural Vegetation Nanite Foliage meshes crash packaged project unreal-engine , fixed	24	1329	September 14, 2026
Substrate Anisotropy lost when enabling translucency unreal-engine , Substrate	0	79	September 14, 2026
Unreal Crashes 5.81 unreal-engine , open	4	184	September 14, 2026
[UE 5.8.2][DynamicWind] GPU DEVICE_HUNG when changing GI scalability with a DynamicWind Transform Provider active unreal-engine	0	135	September 13, 2026
Mobile Multi-View: GPU culling runs on the primary view only, so geometry outside the left eye frustum is missing from the right eye bug-report , unreal-engine	0	71	September 13, 2026
Error won't allow me to open my project Assertion failed: !Level \|\| (Level == ActorLevel)... question , unreal-engine	0	42	September 13, 2026
Unable to join UEFN Edit Session after v42.10 unreal-engine , unreal-editor-for-fortnite	6	145	September 13, 2026
Sound attenuation stops working in the editor when a Level Sequence with a Camera Cut track is playing unreal-engine	0	36	September 13, 2026
World Partition Mesh actors fail to load in PIE bug-report , unreal-engine	2	150	September 13, 2026
UI Glitch in Unreal Engine 5.8.1 with DirectX12 on Intel Arc A380 bug-report , UI , bug , glitch , unreal-engine , bug-problem	1	117	September 12, 2026
Blueprint, post process and bounding box BUG / UE 5.8 Blueprint , unreal-engine	0	117	September 12, 2026
Control Rig animation correct in 5.6 but offset/broken after baking and on import in 5.8 — appears to be a 5.8 evaluation/bake regression bug-report , unreal-engine	2	251	September 11, 2026
Mesh Terrain is incompatible with Material Layer Blend (MLB) assets unreal-engine , open	2	276	September 11, 2026
Crash report question , unreal-engine	1	141	September 10, 2026
Community Learning source filter is duplicating knowledge_base type bug-report , unreal-engine , epicgames , learning , website	0	39	September 10, 2026
In the viewport, holding down the right mouse button prevents the use of the "w", "a", "s", and "d" keys for movement. unreal-engine , unreal-editor-for-fortnite	1	124	September 10, 2026
UE5.8 Incorrect thread access of "r.MotionVectorSimulation" unreal-engine , fixed	2	319	September 10, 2026