And without the increased shiny chance there's little reason to go for most of them. They're not as good as past Go Fests but still better than a typical day in PoGo. City has: G-Weezing (shiny chance is probably still boosted over the usual 1/~500), Trubbish (dust), and a few other semi-rare shiny eligible things.
Go Fest Sapporo + Global Challenge. Event Start. Event End. August 5, 2022, at 8:00 a.m. (GMT +9) August 7, 2022, at 8:00 p.m. (GMT+9) During the event, players across the globe will work together to complete Field Research. Doing so will enable the Ultra Unlocks for the Bug Out and Galarian Zigzagoon Community Day events, improving both events
No nothing is 100% confirmed but leekduck has a decent amount of info already, linked below. The only thing I think will be missing is the community aspect like the in person fest. I am intrigued about the day 2 surprise. Just a word of caution from a prior Go Fest you need 200-300 spots for mons or you will be clearing space all day.
Pokémon GO Fest 2022: Day 1: Saturday, June 4, 2022, from 10:00 a.m. to 6:00 p.m. local time: Pokémon GO Fest 2022: Day 2: Sunday, June 5, 2022, from 10:00 a.m. to 6:00 p.m. local time: Pokémon GO Fest 2022: Finale: Saturday, August 27, 2022 L9tw1.