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vertical-overview
Gnome has had vertically stacked workspaces for a long time. The Gnome 40 update unfortunately made the switch to a horizontal layout. A choice that many Gnome users disagree with. This extension completely replaces the new Gnome overview with something that resembles the old style.
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SurveyJS
Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.
Easier might be to look for existing extensions which ignore Clutter.TextDirection.* altogether, and try to recreate/improve the GNOME Shell from them. To Starte, perhaps you're interested in bringing the Vertical Overview back?, I think all dash-to-* extensions order icons from left-to-right, or have some setting to invert the order, some let you change the position of each element like dash-to-panel.