FJsonPointer does not work and may lead to undefined behavior

FJsonPointer::ParsePath passes a pointer to a single TCHAR as FString::ParseIntoArray's pchDelim parameter, which is supposed to be a pointer to a null-terminated string. ...

[AI] Navmesh shows in editor but does not get loaded in PIE

UE - AI - Navigation - May 13, 2024

When using static or dynamic modifiers only navmesh, there are times that the navmesh will build and display correctly in editor, but it does not get properly loaded at runtime (PIE/SIE). The Recast ...

Sequencer- Cannot change multiple selected spawnable's class

UE - Anim - Sequencer - Jul 17, 2024

Only the first selected spawnable actor binding will have its class changed when selecting 'Change Class' from the right click menu. ...

Resetting MovieSceneObjectBindingID property can't update display

UE - Anim - Sequencer - Apr 19, 2024

When reset a MovieSceneObjectBindingID type property, the display of the property is not reset but keep the value before reset, until the property form is clicked. [Image Removed] ...

Blueprint Nodes no longer Grid Snap to straight lines

UE - Editor - Feb 13, 2023

5.0:[Link Removed] 5.3:[Link Removed] Attached is a video of the two screenshots overlaid and lined up by their top edges. It appears that the Begin Play node (and others?) have more padding now, w ...

Level Sequence Actor- bTickWhenPaused is unsettable from the details view

UE - Anim - Sequencer - Aug 1, 2024

See UDN here: https://udn.unrealengine.com/0D5QP00000TtFaV0AV?fromCase=1 The issue is that in FMovieSceneSequencePlaybackSettings, the TickInterval struct is marked with an EditCondition to only be ...

Incorrect Lighting With Exponential Height Fog And Light Function Atlas

UE - Graphics Features - Jul 29, 2024

There currently is a mismatch occurring when light function atlases are used in conjunction with exponential height fog. When the flag r.VolumetricFog.UsesLightFunctionAtlas is enabled, light shafts ...

Error when zooming out in orthographic view in 5.4

UE - Editor - Jul 29, 2024

In 5.4: zooming out far with the mouse wheel after setting the editor viewport to orthgraphic view triggers an ensure: ensure(InOrthoZoom >= MIN_ORTHOZOOM && InOrthoZoom <= MAX_ORTHOZOOM); Th ...

Interchange: Dialog import preview pipeline is missing the import context

UE - Editor - Content Pipeline - Import and Export - Aug 1, 2024

We need to call TransferAdjustSettings on the duplicated pipelines to execute the preview import. ...

Interchange: Static analysis fix for interchange manager

UE - Editor - Content Pipeline - Import and Export - Aug 1, 2024