Unreal Engine Issues

[CrashReport] Mac crash - UE4Game!FShaderCache::InternalSetGraphicsPipelineState

This is a common Mac crash in 4.18. It occurs in Game mode, not in Editor. Users have not provided any descriptions of their actions when the crash occurred. Callstack from Log[2017.11.21-20.30.4 ...

Editor crashes when creating a new level while the current level contains an Actor with an Actor Sequence Component

This is not a regression. Tested in: //UE5/Main CL18218925 Binary - Crashed //UE5/Release-5.0 CL16682836 Binary - Crashed //UE4/Release-4.27 CL Binary - Crashed Having a level open that contains a ...

Making changes to a Camera Shake while previewing the Camera Shake triggers a crash

This is not a regression. Tested in //UE4/Release-4.27 CL 18319896  Making changes to a Camera Shake while previewing the Camera Shake triggers an Assertion upon compiling. ...

[CrashReport] UE4Editor_UMG!CastChecked<UUserWidget,UObject>

This is an early trending crash in the 4.17 release. This may be a regression as there is no initial evidence of this callstack occurring in 4.16. User DescriptionsJust compiled my widget Source C ...

[CrashReport] UE4Editor_Engine!UEdGraphPin::SerializePinArray() [edgraphpin.cpp:1808]

User comment in crash group:I was try to copy the AI MOVE TO(from pawn sensing) node inside a function, i couldnt copy it because it said conflicting node substituted during paste;, so i tried to cu ...

Spline Mesh regression on older iOS phone

Regression with rendering Spline Mesh Components seen on older (5s) iOS device. I did not reproduce a crash with an iPadPro A1701 or an Android Note 4 Confirmed in 4.23 MAIN at CL 6910902 ...

[CrashReport] Mac crash - FRCPassPostProcessInput::ComputeOutputDesc()

This is a new Mac callstack that just appeared after the 4.17.2 hotfix. The callstack shares similarities to older Windows crashes and may be related:https://jira.it.epicgames.net/browse/UE-42135ht ...

ChaosCacheManager is not reproducing Trailing Events

ChaosCacheManager (CCM) is not reproducing Trailing Events. Particles set to track Trailing Events correctly follow the position of the trailing event when the Geometry Collection (GC) is physically ...

WP HLOD Crash on Small Cell Sizes

ChaosCacheManager is not recording the Observed GeometryCollections NotifyBreak states between level loading and will default to false if changed from Record to Play

ChaosCacheManager (CCM) is not recording the Observed GeometryCollections (GC) NotifyBreak states between level loading and will default to false if changed from Record to Play. AChaosCacheManager ...