Summer Event

Summer-themed event in 2020 is a unique event in Pokémon GO. It also featured the GO Fest Weekly Challenge: Friendship Timed Special Research

Also during the event, a Pokémon Spotlight Hour featuring Oddish will happen.

Featured Pokémon
Selected Summer-themed had increased spawn rates in the wild:

The following Pokémon were released with the start of the event.

Moreover, these Shiny Pokémon were released with the start of the event.