Two planar reflection and translucent materials draw reflections on one side only

UE - Graphics Features - Jan 6, 2023

This problem seems to be fine when the material is Opaque.[Image Removed] ...

CachedMaxDrawDistance value are not updated by CullDistanceVolume in persistent Level

UE - World Creation - Worldbuilding Tools - World Composition - Dec 16, 2022

in PIE, RerunConstructionScript() is executed and actor's CachedMaxDrawDistance is updated as expected. in packaged game, RerunConstructionScript() is not executed  so, CullDistanceVolume is not u ...

Merge actor issue with similar materials

UE - World Creation - Worldbuilding Tools - Merge Actor - Dec 16, 2022

Distance Field Shadows does not respect FSceneView::HiddenPrimitives

UE - Graphics Features - Shadows - Dec 5, 2022

Basically, APlayerController::HiddenActors, which is propagated into FSceneView::HiddenPrimitives is not used to skip shadow casters in the DF shadow implementation. Because this does not use the g ...

r.AllowOcclusionQueries 0 keeps increasing PrimitiveOcclusionHistorySet memory

UE - Rendering Architecture - RHI - Nov 29, 2022

r.AllowOcclusionQueries 0 skips the call to TrimOcclusionHistory(), so the PrimitiveOcclusionHistorySet container continues to grow. ...

Scroll box hand icon is small when DPI scaling is enabled

UE - Editor - UI Systems - Slate - Nov 22, 2022

The scroll box widget currently hides the cursor and manually draws a closed hand software cursor in SScrollBox::OnPaint when right clicking and dragging. This software cursor does not account for D ...

Improper Initialization of trigger values when added at runtime with the key pressed already

UE - Gameplay - Input - Nov 11, 2022

See the comment on UInputTrigger::LastValue around issues being a bool type on first tick ...

Can't update thumbnail of Texture 2D Array asset when upate source texture resource.

UE - Editor - Content Pipeline - Datasmith - Nov 9, 2022

Texture2DArray asset thumbnails are not reflected when the source file texture is changed. Once a Texture2DArray asset is opened and loaded, the thumbnail will follow any subsequent source file upda ...

Callback ID lost while using the webview

UE - Platform - Apple - Nov 8, 2022

This is a licensee UDN: [Link Removed] I've reviewed the javascript/native bridge code and I don't see anything obvious.  The fact that it can happen on both mobile platforms might point at some hi ...