Unreal Engine Issues
Unreal Engine Issues
Crash in FBlueprintActionMenuBuilder while editing blueprints
UE - Gameplay - Blueprint Editor - Apr 28, 2017Note those are not 100% repro steps they are what I remember doing. I've got this issue twice so far and both times I was editing a blueprint and switching between constructions script and event gr ...
Nanite Landscape crash on save
UE - Graphics Tools - Terrain - Landscape - May 21, 2024UDN description:When landscape is flagged as Nanite enabled but nanite mesh has not been built yet, a save operation (or an auto save) triggers a fatal failed check in ULandscapeNaniteComponent::Ini ...
Crash when Background Blur is added with Instanced Stereo enabled
UE - Editor - UI Systems - UMG - Jan 26, 2026Crash when changing Twinmotion Cloud and Content library to the same folder.
TM - Core - Jan 10, 2025SWorldPartitionEditorGrid2D causing editor to crash
UE - World Creation - Worldbuilding Tools - World Partition - Mar 13, 2023VolumetricCloud crashes in orthographic view
UE - Graphics Features - Feb 17, 2025FVolumetricRenderTargetViewStateData structure for the orthographic view is not initialized and the structure has some uninitialized member variables. If uninitialized FVolumetricRenderTargetViewSta ...
AllowCommandletRendering D3D12 device crash
UE - Graphics Features - May 10, 2021Crash when cooking landscape collision in world partitioned level
UE - Graphics Tools - Terrain - Landscape - Jun 24, 2022This is caused by the loss of data in the ULScapeHeightfieldCollisionComponent::CollisionHeightData. The CollisionHeightData is not marked as BULKDATA_PayloadInSeperateFile and is processed with a k ...
Using a TSet in Blueprint directly into a function call crashes
UE - Gameplay - Blueprint Runtime - Nov 16, 2022Reproduced 3/3 times. Issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. ...