How do I trigger changes to the UI without the UMG ticking?

[Everynone]

@Saturnian

Then I found SetText: Set Text | Unreal Engine Documentation Which doesn’t show up to me at all. Not from the widget, not from other blueprints. Even worse documentation, doesn’t explain the scope of this node, or anything. If I turn off context sensitive, it’s there, but expects a RichTextBlock, which is not what the standard UMG text widget is.

Not all widgets are exposed by default, text block is not:

Once it is, you can:

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Is something like this even possible without having dedicated people working on custom C++ UI solutions or something? How do others do it? I can’t find resources.

Yes, it’s a standard way of doing things, the only reasonable way of creating a performing UI. Look into event dispatchers, as mentioned above.