DefaultBackBufferPixelFormat 3 washes out slate + scene

UE - Editor - Feb 16, 2022

Typical view when setting is 4:[Link Removed] Problematic view when setting is 3:[Link Removed] ...

Blueprint functions with unconnected return nodes may return unexpected values

UE - Gameplay - Blueprint - Feb 11, 2022

We don't clearly define the behavior for a Blueprint function when an execution path without a return node is taken. We should either report an error, or have the function return the default initial ...

AssetManager ModifyCook does not correctly apply PrimaryAssetLabel references

UE - Foundation - Core - Cooker - Feb 10, 2022

Right now the AssetManager uses different logic in ModifyCook vs VerifyCanCook, specifically related to secondary assets like textures or maps that are indirectly loaded by soft object paths and are ...

Baked lighting does not change lighting scenario when changing sublevels at runtime

UE - Graphics Features - Feb 7, 2022

Further detailed description of the issue can be found in the licensee UDN. ...

Renaming blueprint macro causes Failed import for EdGraph errors

UE - Gameplay - Blueprint - Feb 4, 2022

Macro libraries try to support guid-based renaming: when a specific macro is renamed blueprints using the old name will automatically point to the new name and work properly. However, this fixup hap ...

If remove the muted side from the two child tracks in sequencer, the remaining tracks will be muted forever

UE - Anim - Sequencer - Feb 4, 2022

The cause was that the information remained in Rows Disabled of Track even though it returned to one Track by the delete operation from the state where there was a child Track of multiple rows. As ...

Volumetric Cloud + Sun ghosting artefacts around a static cube

UE - Rendering - Feb 3, 2022

Video of the issue here - [Link Removed] 4.27 and 5.0 seem to display slightly different outcomes. In 5.0 the sun only appears very close to the cube, whereas in 4.27 is can appear a bit further ou ...

EditInlineNew properties on components don't work if the component name has whitespace

UE - Gameplay - Blueprint Editor - Feb 1, 2022

EditInlineNew properties on components can't be properly set if the component name has whitespace in it. This appears to be a problem with resolving the property name in SPropertyEditorEditInline::O ...

abnormal sound output on UMG animation track

UE - Anim - Sequencer - Jan 28, 2022

Sound repeated at initial frame only on 4.27. it was worked fine on 4.26 and 4.25 It is probably a side effect caused by the sequencer changes below.​ Sequencer: Move Finalization phase back onto ...