Bamboo Feed Reader

評分: 5 / 5 顆星

作者：matastic 於 Dec. 21, 2017 發佈 · 永久網址

FireTray

評分: 4 / 5 顆星

作者：matastic 於 July 31, 2015 發佈 · 永久網址

Try middle click, it restores it.
At least in Kubuntu 15.04 with ThunderBird 31.8

TargetAlert

評分: 4 / 5 顆星

作者：matastic 於 Sept. 17, 2007 發佈 · 永久網址

decent extension...

also, check out 'link alert'
and choose yourself

peace out!