Unreal Engine Issues

Assertion trying to open packaged project on Linux: Default__MaterialInterface was listed as a fixed load order but was already processed

This might be related to [Link Removed]. ...

iOS package with Metal Desktop Renderer enabled crashes on iPhone

iOS package with Metal Desktop Renderer enabled crashes on iPhoneThis issue does not occur if Metal Desktop Renderer is disabled ...

EDITOR: CRASH: Saving a project while an auto save is occurring will crash the Editor.

If a user initiates a save using Ctrl+S while an autosave is in progress, the Editor will crash. CRASHREPORT: [Link Removed] ...

Editor becomes unresponsive/freezes when a Geometry Collection is destroyed by a Hit Event while simulating

This is a regression. Tested in //UE5/Release-5.1 CL23901901 When a geometry collection is destroyed by an On Hit event the editor becomes unresponsive and never recovers. No crash is generated. ...

check(!bPostTickComponentUpdate) fails triggered by ~FStaticMeshComponentBulkReregisterContext() and FD3D12DynamicRHI::ProcessInterruptQueueUntil()

Context: Some ActorComponents can schedule end-of-frame work which UWorld executes later in the frame in UWorld::SendAllEndOfFrameUpdates(). By-design it appears that it's not allowed to schedule mo ...

FFrame::ReadProperty() occur crash if Blendspace Player node use Function to get BlendSpace Asset

If user connect a function that returns a Blendspace Asset to a Blendspace Player that BlendSpaceAsset settings are exposed to a pin, it crashes in the package. It does not occur if user do not con ...

Crash occurs when blueprint breakpoint is placed after a Draw Debug String node

This is not a regression. Tested in //UE5/Release-5.2 CL 26001984 The editor crashes when playing in editor on a level that has a break point placed on a ticking draw debug string node that is prec ...

FTabManager::FindPotentiallyClosedTab Crash Due to Invalid Array Indexing

As you can see from the above callstack it appears that calling RestoreArea can call FindPotentiallyClosedTab again higher in the stack, which can Remove() an entry from CollapsedDockAreas- this cau ...

Crash when committing level instances containing invalid child actor components

Fatal Error: Cast of Package to AnimGraphNode_BlendSpaceGraphBase failed when deleting an opened Blendspace node in a State graph

When deleting a Blendspace or Blendspace 1D node in a state graph, after opening it, the editor crashes. It doesn't crash when deleting it before opening the Blendspace node. It also doesn't matter ...