LoadingScreen by MoviePlayer doesn't support Material in UE5.4

UE - Editor - UI Systems - Jun 6, 2024

An assert crash is now triggered when set a widget using material to WidgetLoadingScreen of FLoadingScreenAttributes then call FDefaultGameMoviePlayer::SetupLoadingScreen(). The ensureMsgf in quest ...

Crash when exiting editor before EditorUtilityTask completes

UE - Editor - UI Systems - May 29, 2024

If exiting the editor before the EditorUtilityTask completes, it crashes. It will not crash if canceling the UtilityTask and then exit the editor. The following implementation does not allow destruc ...

"Consume pointer input" on Common User Widget does not work on iOS, FReply::Handled not respected

UE - Editor - UI Systems - Apr 29, 2024

From a UDN, they also mentioned:  Update: I added CommonUI to the test project to try the "Consume pointer input" setting. It behaves the same way as our custom input blocking widget in that the in ...

IME does not work in EditableTextBox in WidgetComponent

UE - Editor - UI Systems - Apr 5, 2024

WidgetComponent controls widgets through VirtualWindow, but VirtualWindow does not have HWND, so IME cannot be enabled. The following workaround enables IME activation. void FSlateEditableTextLay ...

CommonUI Analog Cursor + Enhanced Input triggers cause triggers to get stuck when alt-tabbing

UE - Editor - UI Systems - Mar 29, 2024

Came out of [Link Removed] and is related to this one too I think that this is signaling that we need better solutions for input consumption in the engine honestly. This is a constant pain point ...

PriortizeCategories doesn't work with sub categories

UE - Editor - UI Systems - Feb 20, 2024

See UDN: [Link Removed] ...

Light Mixer crashes on transform context menu

UE - Editor - UI Systems - Dec 19, 2023

Originates from UDN [Link Removed] ...

Widget that is a derived from a child widget reports component variables as Invalid

UE - Editor - UI Systems - Aug 23, 2023

This is not a regression. Tested in //UE5/Release-5.2 CL26001984 A widget that is a derived from a child widget reports component variables as Invalid, while the child and parent of that child will ...

UFE: Can't delete custom launch profiles

UE - Editor - UI Systems - Jul 26, 2023

The confirmation message will fails spawning with the following messages in the log:  [2023.07.25-20.04.01:038][  0]LogWindows: Error: Failed to create dialog. The specified resource type cannot be ...

Spawn and Register Tab and Get ID Produces Unbounded Length IDs

UE - Editor - UI Systems - Jun 18, 2023

Spawning Editor Utility Widgets via Spawn and Register Tab and Get ID inside another widget creates unbounded length IDs that get progressively longer with each subsequent spawn, as the ID is append ...