Zo byšće tute přidatki wužiwał, dyrbiće Firefox sćahnyć.

Přizjewić
Přidatkowy symbol

Pohódnoćenja za Simple Tab Groups

Simple Tab Groups wot Drive4ik

4 z 5 hwěžkow
5
1.135
4
215
3
104
2
97
1
268
Wotmołwa wot Drive4ik

Wotmołwa wuwiwarja

je so há 8 anos napisał
Update to latest version and re-test.
Startup bugs on sync groups with windows was fixed
Which OS you are used?

Update: Please, update Firefox to latest version v61 and after that update addon to STG v3.0 (not experimental)