Rockruff evolution and more Ultra Beasts revealed

CoroCoro leaked recently and revealed new Ultra Beasts, as well as the secret behind Rockruff's evolution. This was followed up by an official announcement of the new Ultra Beasts:

They are UB-02 Absorption which is exclusive to Pokemon Sun, and UB-02 Beauty which is exclusive to Pokemon Moon. In the video we see the Ultra Beasts in a battle with Hala and his Tapu Koko.

Rockruff's evolution, Lugarugan (Japanese name) was revealed in CoroCoro. It has two different forms - Midday Form and Midnight Form. It's not 100% clear whether the evolutions are version-exclusive, or time-based, or both (e.g. only evolves during the day in Sun and during night in Moon).

Lugarugan Midday Form (left) and Midnight Form (right)