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由 janvlug 发表于 April 23, 2017 ·

I used this add-on all the time, but it seems broken since my update to Thunderbird 52 on Fedora. Using Thunderbird without this add-on is barely acceptable for my since I used the arrows all the time to quickly switch between view. Going to the menu is so devious.

这个评论是针对附加组件的一个早期版本的（1.11）。 

作者 Jonathan Kamens (开发者) 日期 April 25, 2017 ·

Update:

The arrows are back in this beta release:

https://addons.mozilla.org/en-US/thunderbird/addon/folder-pane-view-switcher/versions/1.12beta2

Give it a try!

Original response:

Please read "About this Add-on" at https://addons.mozilla.org/en-US/firefox/addon/folder-pane-view-switcher/ (the link to the right).