評分: 5 / 5 顆星

作者：Firefox 使用者 afa19a 於 Dec. 5, 2017 發佈 · 永久網址

Due to changes in the Firefox API, this add-on cannot be made compatible anymore for Firefox 57 and above. Best alternative is to reinstall Firefox 56 and to disable automatic updates.

https://www.wikihow.com/Downgrade-Firefox