How to block the mouseover pop-ups on individual Archive.org search results, in the annoying new flickering / flashing search interface…
1. Go to the top bar of your Web browser | click on the uBlock Origin extension icon | Click on its cogwheel icon.
2. In the uBlock Origin Dashboard | go to “My Filters”.
3. In the My Filters list, add the new line…
archive.org##tile-hover-pane
… and save. Reload the results page. The item ‘preview’ popup panels will have all been blocked. You can still right-click on any result tile, and launch a new tab showing the main page for that result.
The above is for a user who uses the Grid view.
The above fix at least removes one of the main annoyances of the regressive new UI.