Aby toś te dodanki wužywał, musyśo Firefox ześěgnuś.

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Dodankowy symbol

Pógódnośenja za Simple Tab Groups

Simple Tab Groups wót Drive4ik

4 z 5 gwězdkow
5
1.135
4
215
3
104
2
97
1
268
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jo se napisał 8 წლის წინ
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)