评分4星，满分5星

由 Jayking 发表于 Aug. 30, 2018 · 永久链接

I found that if I uninstalled the add-on then re-installed it worked, well, partly... :) I couldn't select the arrows to manipulate the font size. So, I entered the number manually then hit apply and it worked for me via Thunderbird version 60 32bit.