Steps to reproduce:
<Include steps to reproduce the bug; Did you try using Compatibility mode? If applicable, does Safari behave in the same way?>
Open multiple tabs with at least one being a Start page. Hover over the tab to preview the start page. Tab preview is tall and narrow, same width as normal preview but empty space above and below the preview.
<What you expected to happen?>
Same size preview window as all other open tabs.
Orion, OS version; hardware type:
Version 0.99.114.1-beta (WebKit 614.1.12)
Replicated on M1 MacBook Pro on Monterey and 2017 MacBook Pro on Big Sur
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