Unreal Engine Issues

During SIE (simulate) and ejected-PIE, modifying a map actor causes triggers RerunConstructionScript() which discards all runtime modifications to SCS components

When Simulating, or Playing-In-Editor and ejected, modifying an actor in the editor world causes the SIE/PIE runtime actor to recreate its blueprint added components via AActor::RerunConstructionScr ...

Regression: "Object Position" node in Light Function materials did not compile up to UE 5.0. Starting with 5.1, it compiles but outputs garbage values

Up to UE 5.0, when the "Object Position" node is used in the Material Editor as part of a material with Light Function domain, attempting to compile the material results in the following error: "[SM ...

Biquad Filter is incorrect when bandpass is 1.0

The bandwidth on the biquad loepass filter is cutting frequencies well below 20kHz when the bandwidth is 1.0. Slack convo: [Link Removed] Visualization:[Image Removed] ...

EnumRedirections from a Blueprint enum to a c++ enum does not redirect everything correctly.

There is an engine bug when using the EnumRedirects feature inside a config file. If we have a Blueprint Enum used in our blueprints, and we want to convert all the Blueprint enum references to a C+ ...

Confirmation Dialog common UI in the Lyra Starter Game loses focus for gamepads after closing.

When changing the language options in the default Lyra Starter Game project (5.3 and 5.4) with a controller, the settings menu loses focus after closing the confirmation dialog. Focus can only then ...

Blueprint Struct Issues - Data table wiped data

The user has come across various issues with using nested blueprint structs within a data table. The first issue relates to changing a variable in a child struct and setting it back then saving, cau ...

Regression: Asset Action Utility "Supported Classes" setting is not working correctly when "IsActionForBlueprints" is true

When creating an Editor Utility Blueprint derived from "Asset Action Utility", UE allows the user to override function "IsActionForBlueprints". When it returns true, the "Supported Classes" setting ...

UEdGraph pointer data is not correctly un-done and graph nodes are lost when declared as a UObject property

When an undone operation is done for a UObject property that has a UEdGraph*, the modified UEdGraph nodes are lost. This UObject needs to be created/spawned in an Editor Environment by another Obje ...

Lightmap UV generated on Windows and Mac is not deterministic

Pressing the "Show Inactive" button in the material instance editor did not display groups that did not contain the active parameter

When pressing the "Show Inactive" button in the material instance editor, all material parameters are supposed to be displayed in the EditorUI. This is not the case, only some of the parameters are ...