Unreal Engine Issues

Mesh data will be deleted from Static Mesh if added as a Hierarchical Instanced Static Mesh Component through blueprint

Mesh data will be deleted from the Static Mesh if added as a Hierarchical Instanced Static Mesh Component through blueprint. All of the mesh data (actual geometry) and LODs will be deleted from the ...

[CrashReport] UE4Editor-MetalRHI.dylib!FMetalRenderPipelineDesc::CreatePipelineStateForBoundShaderState()

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: SEGV_MAPERR at 0x3 Most recent us ...

[CrashReporter] Crash in FClassExclusionData::IsExcluded() (infinite loop)

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Note: This appears to be a Commandlet crash. Erro ...

Crash When Attempting to Add Existing Streaming Levels Already Present in the Levels Window

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Access violation - code c0000005 ( ...

[CrashReport] UE4Editor_Core!FStatsThreadState::ScanForAdvance() [statsdata.cpp:732]

This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Assertion failed: Item.NameAndInfo ...

Play area bounds are offset so that the player's spawn position is at the center of the player start

The play area is offset in game from the player start. In previous version the play area would be centered on the player start area. Now the player spawn exactly on the player start and the bounds a ...

Hang occurs on Mac when Japanese input is selected and the window to select the parent class for a new Blueprint is opened with the All Classes section expanded

The Editor will hang on Mac if Japanese input is selected on the Mac and the window to select the parent class for a new Blueprint is opened with the All Classes section expanded. REGRESSION: No. T ...

Actor Component instances have their settings reset to default when compiled in 4.17 (Compilation Manager)

REGRESSION: Yes, does not occur in 4.16 When converting a 4.16 project to 4.17, any actor component instances will have their settings reverted back to default when the user compiles the blueprint. ...

HLOD crash when dragging and dropping actors into their own cluster in the HLOD outliner - ALODActor

Memory usage regression in the editor caused by FArchiveAsync2 buffers