FPackageName::SearchForPackageOnDisk fails to find maps when using IOStore

UE - Foundation - Core - Sep 26, 2022

This bug was discovered by a user who tried changing level through the 'servertravel' console command (HandleServerTravelCommand).  Debugging shows that FindFilesAtPathInIndex won't return anything ...

IKRetargeter Export Selected Animations Saves Exported Animations Even When Cancelled

UE - Anim - Rigging - May 3, 2022

Occurs 3/3 times When 'Export Selected Animations' button is clicked and then canceled, animations continue to be saved.  ...

Movie Render Queue Renders Black Frames when MultiSample Effects Are Disabled

UE - Anim - Sequencer - MRQ - Apr 25, 2022

Occurs 5/5 times. When 'Disable Multisampling Effect' is enabled, the Render Warm Up is set to 0, and the Custom Playback Range is set to a small value, frames render out fully black. Regression d ...

Sequencer Frames Render Black When Four or Less Frames Are Rendered

UE - Anim - Sequencer - MRQ - Apr 22, 2022

Occurs: 5/5 times **MRQ renders black frames when custom playback range is set to four frames or less. Regression does not occur: tested using //UE4/Release-4.27 @ CL 18429761 GH Note: Issue does ...

Unreal Architecture link in Unreal Terminology website doesn't work

Docs - Apr 13, 2022

Unreal Architecture web link doesn't work. A user cannot enter the website to see the terminology of the Unreal Architecture. ...

Adding a new macro to a Blueprint Macro Library after renaming the first macro causes a crash

UE - Gameplay - Blueprint - Mar 17, 2022

It seems the editor crashes when adding a new Macro to a Blueprint Macro Library. This only occurs if you rename the macro that gets automatically created when you open the macro library to somethin ...

Setting Key Interpolation for a point on a curve to Auto behaves differently from UE4 and more like User Interpolation

UE - Anim - Runtime - Mar 17, 2022

Setting Key Interpolation for a point on a curve to Auto behaves differently than it did in UE4. The results are more akin to the User Interpolation with flat tangents. ...

Warning "Failed to build lighting!!! Static Lighting on World Partition maps is not supported." is thrown on World Partition maps

UE - World Creation - Worldbuilding Tools - World Partition - Mar 16, 2022

A warning is thrown "LogStaticLightingSystem: Warning: Failed to build lighting!!! Static Lighting on World Partition maps is not supported." when building lights in any World Partition map. ...

Re-import Groom asset not working in UE5-Preview2

UE - Editor - Content Pipeline - Datasmith - Mar 16, 2022

When "re-import" or "re-import with new file" a groom asset in UE5 Preview2, the groom failed to update with the new data/file, still ...

Adding a track for LayerData.Offset to UMG Animation throws an Ensure

UE - Anim - Sequencer - Mar 14, 2022

Adding a track for LayerData.Offset throws an ensure that states "No default blender class specified on property, and no custom blender specified on entities. Falling back to float blender." This do ...