Chrome におけるタブのマウスオーバーの無効化手順

1. chrome://flags/
2. Tab Hover Card および Tab Hover Card Images
3. Disabled
4. Relaunch

[Tip] Enable New "Tab Hover Cards" Feature in Google Chrome - AskVG
https://www.askvg.com/tip-enable-new-tab-hover-cards-feature-in-google-chrome/