What is official ruuvitag firmware?

Development 🇬🇧 Ruuvi Firmware Development
1

I see this

and this

I think the latter is FW in ruuvitag because NFC reader gives v3.30.2+
so what FW is the first one?

2

The first one is what we used to ship with RuuviTags, starting from Kickstarted and ending at 2.5.9. Thanks for the note, I archived the legacy repository.