TabControl

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от Пользователь Firefox a88b66 Окт. 5, 2023 · permalink

Excellent add-on that requires no access permissions.

You can choose the maximum number of tabs to keep open, so the Inbox tab is never lost .

Avoids the clumsy alternative of right-clicking on a tab and selecting "Close Other Tabs".

It's especially useful for a less advanced user, avoiding clutter as successive messages are read, and it clears all tabs on start-up.

I used it to set a maximum of one tab for someone who complained that they had lost their Inbox. I found they had so many tabs open that the Inbox had been pushed off to the left.
TabControl helpfully ignores the "Add-ons Manager" Tab, where its wrench allows the maximum number of tabs to be set.

On one installation I noticed that I had to exit TB and restart before TabControl would close tabs that were open before TabControl was installed.