Google said in February that the update would roll out "in the coming weeks", and in April, it said all devices would be upgraded "by the end of May", but Moto 360 Sport owners have waited far longer.
Moto 360 sport RSS
ASUS has finally released Android Wear 2.0 for the 1.45-inch ZenWatch 2 - but the Moto 360 Sport and LG Watch Urbane 2nd Edition LTE still haven't been upgraded, and it's unclear when they will be.
Motorola said that the Android Wear 2.0 update "will start rolling out in phases" for the Moto 360 2nd Gen - but there's no indication of when the update will be available for the Moto 360 Sport.
Android Wear 2.0 was delayed for months, but in February, Google announced its rollout for eligible devices "in the coming weeks". It now says the update won't reach some devices until "late May".