Very slow yaml editor

I’m currently playing with the widget editor, I took a widget from the forum with 800 lines of code.
And when I try to edit in the OH3 UI, everything is so slow, when I type something, I need to wait 1 second to see my text.

Same behavior with the page editor with a 350 lines yaml page.

What do you use to edit your config? I tried with Firefox and Edge.
Can we develop widget with vscode?
Do you have any solution? Do I need to copy and paste between vscode and OH editor?

Thank you for your help

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