Latest Issues and Bug Reporting (Unreal Engine) topics

Topic	Replies	Views	Activity
UE 5.7.4 — TSR ghosting and slow glyph convergence when changing TextBlock content in a World-Space Widget Component unreal-engine	0	70	August 11, 2026
UE 5.8 Vulkan on Linux triggers VK_ERROR_DEVICE_LOST / GPUVM read fault on AMD RX 9070 XT with RADV unreal-engine , closed	6	813	August 10, 2026
RestartLevel Console Command Causes Pure Virtual Function Crash Blueprint , question , crash , bug-report , unreal-engine	1	96	August 10, 2026
CPU lightmass Vertex Colors don't emit GI unreal-engine , open	1	652	August 10, 2026
CPU Lightmass Stationary Skylight GI not baked unreal-engine , open	1	637	August 10, 2026
Mass crowds using SkinnedMeshInstance leak GPU memory — every wave of spawned-and-killed entities permanently grows the animation track pool (5.8) unreal-engine	0	125	August 10, 2026
UE5.8 VCam Livelink not working unreal-engine , connection , livelink , vcam	2	175	August 10, 2026
[UE 5.8.1] Mutable - 'Transform Parameter' cannot be added to a state's list of Runtime Parameters unreal-engine	0	57	August 10, 2026
Procedural Vegetation Editor Generates Incorrect Bone Orientations, Causing Broken Dynamic Wind Animation Foliage , unreal-engine , wind , procedural-foliage	0	87	August 9, 2026
UE 5.8.0 - blank + openXR plugin + instanced stereo = instant crash in VR Lumen , unreal-engine , OpenXR	7	317	August 9, 2026
Guaranteed startup crash in packaged builds when the PSO precache option KeepInMemoryUntilUsed is enabled on NVIDIA / Qualcomm GPUs unreal-engine	0	93	August 9, 2026
[UE 5.7.4] Flickering/shimmering lighting on foliage (trees) - Nanite + Lumen Nanite , Foliage , Reflections , Lighting , unreal-engine	0	88	August 9, 2026
(5.8.1) Neither Spring Controller nor Anim Dynamics seems to work on end bones now unreal-engine	0	51	August 9, 2026
Newly duplicated geometry in the editor isn't traceable until the level is reloaded unreal-engine	0	72	August 8, 2026
Lyra Warning When Dying During Weapon Fire unreal-engine , LyraStarterGame	1	76	August 8, 2026
Change of Mode between Additive and override of Anim Layer will cause twist of character pose. unreal-engine	0	46	August 8, 2026
[UE 5.8][glTF] Skinned glTF splits into several Skeletal Meshes — the shipped GLTF pipeline preset ships "Do Not Combine" (regression from 5.7) unreal-engine	1	163	August 7, 2026
Linux: CJK IME text not committed when bare "en_US" locale is missing editor , bug-report , unreal-engine	0	85	August 7, 2026
[UE 5.7.4] MapPlayerKey(None) cannot unbind gamepad mappings with a default gamepad key unreal-engine	0	46	August 7, 2026
UE5.7 Crash on Startup: "Unable to use default cache graph" - No Writable Nodes Available unreal-engine	0	56	August 7, 2026
Common UI navigation can be completely broken while using gamepad UI , gamepad , unreal-engine	1	126	August 7, 2026
UE5.8 Take Recorder Niagara Sim Cache 崩溃：根因定位与修复方案 editor , crash , bug-report , Rendering , unreal-engine	0	106	August 7, 2026
Anim Montage using Inertialization Blend Out Mode can fail to trigger notifies event. unreal-engine	0	72	August 7, 2026
primary genre rankings not updating for my island bug-report , fortnite , unreal-editor-for-fortnite , fortnite-creative	0	44	August 7, 2026
5.8: Blending back to gameplay from Sequencer does not work unreal-engine	2	221	August 7, 2026
UE 5.8 Can't package with Metahuman and/or Take Recorder editor , unreal-engine , metahuman	0	104	August 6, 2026
We're forced to use so many useless plugins unreal-engine	1	160	August 6, 2026
Are y'all planning on programming water correctly, at all, ever? T.T editor , bug-report , unreal-engine , unreal-editor-for-fortnite	0	48	August 5, 2026
Movie Render Graph Alpha Output Rendering , unreal-engine	3	161	August 5, 2026
Placing character definitions fails to place character definitions editor , bug-report , unreal-engine , unreal-editor-for-fortnite	0	44	August 5, 2026