Unreal Engine Issues

Building Nanite on a Landscape with Visibility Mask multiple times gives an Assert

Repro Rate 15/25 Regression set to Yes as this was not found on //UE5/Release-5.2 CL 26001984 Binary Building Nanite with a Landscape that has a material including Landscape Visibility Mask still ...

Indirect lighting samples incorrect if duplicated levels placed in same persistent level

Indirect lighting samples were not made correctly when building lighting with umap duplicated via the content browser and registering both source and destination as sublevels in one map. ...

Arrays of user-defined structs are not initialized properly in a nativized Blueprint class.

New elements are not being initialized properly when setting up the default value for arrays of user-defined structures in nativized Blueprint C++ constructor code. ...

[CrashReport] UE4Editor_MovieScene!FMovieSceneEvaluationTrack::EvaluateStatic() [moviesceneevaluationtrack.cpp:445]

No comments from users in crash group 442 void FMovieSceneEvaluationTrack::EvaluateStatic(FMovieSceneSegmentIdentifier SegmentID, const FMovieSceneEvaluationOperand& Operand, FMovieSceneConte ...

[CrashReport] UE4Editor-D3D11RHI!FD3D11RenderQueryBatcher::PerFrameFlush() [D3D11Query.cpp:45]

Generated from CrashReporter ...

[CrashReport] UE4Editor-D3D12RHI!FD3D12Viewport::PresentChecked(int) [D3D12Viewport.cpp:567]

Generated from CrashReporter ...

Crash occurs while playing in editor with a State Tree using Bool Compare for a transition state to a child state.

This is a regression. Tested in //UE5/Release-5.1 CL2390901 The crash occurred 3/5 times. Crash occurs while playing in editor with a State Tree using Bool Compare for a transition state to a child ...

[CrashReport] UE4Editor_Core!FText::FText() [text.cpp:165]

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 ( ...

Visualization View Mode Shader Complexity when in Mobile Preview Vulkan with MMV will crash the editor

EOS Voice plugin causes a crash after adding "DefaultPlatformService=EOS" to the DefaultEngine.ini then restarting the editor

This is not a regression. Doesn't affect UE5. The editor crashes on start up after enabling EOS Voice Chat, and updating the .ini to include DefaultPlatformService=EOS. Removing DefaultPlatformServ ...