When I edit uxml with a text editor, UI Builder starts up every time.

I am using Unity 2021.2.0b11.
I am trying the UI Toolkit for the first time.
It looks very nice.

I am experienced in web development, so I think that it easier to edit the uxml directly than to use UI Builder.

However, when I edit the uxml directly, the UI Builder starts up at the same time as it is reflected in UnityEditor.
I would like to know if there is a setting to prevent it from starting, because it is a hindrance to keep it running.

Hi mutsuyuki, I was able to repro. I’ll log a bug and we’ll take care of it: Unity Issue Tracker - [UI Builder] Editing uXML file externally opens the ui Builder when available.

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I assumed that was a feature to let you see the changes in-engine.

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