Tab Group Window v1.3.7
![Tab Group Window](https://addons.mozilla.org/user-media/previews/full/196/196914.png?modified=1622132966)
![Tab Group Window](https://addons.mozilla.org/user-media/previews/full/196/196915.png?modified=1622132966)
![Tab Group Window](https://addons.mozilla.org/user-media/previews/full/196/196916.png?modified=1622132966)
<Notes on use>
On startup, the tabs displayed last time is displayed by add-on.
Therefore, set "When Firefox starts" on the setting screen to "Show a blank page".
<Notes on use>
On startup, the tabs displayed last time is displayed by add-on.
Therefore, set "When Firefox starts" on the setting screen to "Show a blank page".