With two viewports some show flags reset after clicking new actor in Outliner

UE - Editor - Workflow Systems - Feb 12, 2022

In my 2nd viewport I like to turn Mode Widgets and Selection off. After I turn them off, if I select any actor through the Outliner, both those show flags turn back on in my 2nd viewport. I think a ...

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 ...

Child nodes do not call PrepareForReplication unlike root nodes in Replication Graph

UE - Networking - Feb 3, 2022

Child nodes are by default not added to the PrepareForReplicationNodes array in order to prevent unnecessary calls to PrepareForReplication. However, this difference in behavior is not very apparent ...

Editor lighting components not displaying correctly with diffuse off with lumen enabled

UE - Graphics Features - Lumen - Feb 2, 2022

Licensee note: "I haven’t tested with Ray tracing. I currently have lumen enable and it’s occurring there." ...

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 ...

Specific Blend Mode of Material on UMG render incorrectly when HDR is enabled

UE - Graphics Features - Jan 27, 2022

This issue occurs with the Additive and Alpha Holdout settings. ...

FScriptMapHelper::HasKey() and FScriptSetHelper::HasElement() fail on new keys with a substring of another key

UE - Editor - Workflow Systems - Jan 27, 2022

Duplicate key checking in maps and sets in the editor is done via calls to FScriptMapHelper::HasKey() and FScriptSetHelper::HasElement(), but this code is checking for object names which are subsets ...

Unnamespaced UnrealMathUtility.h macros clash with other headers

UE - CoreTech - Jan 25, 2022

Reported here: [Link Removed] > See this commit: > > https://github.com/EpicGames/UnrealEngine/commit/acd754e12dc9a7ffc7f173c8433a6bafc0262b51#diff-b18d4f9b879748fdacff2caa885b231e8c9e0b899d90d5d ...

UTextBlock::SetText doesn't work in global invalidation

UE - Editor - UI Systems - Slate - Jan 24, 2022

This happens on consoles running in 4k so DPIScale would be 2x. The character between lines is just a newline (Shift + Enter in the text field in editor), the text is set with SetText, possibly a f ...