it was released just before the november app bomb. so>crossed off in november app bomb
Kevin is mean - Subjective to some people, but he's always played as mean
Someone gets a new look - Connie cutting her hair
Someone cries - lol
Camp Pining Hearts - "Okay. Okay, but, uh, we're only half-way through our rewatch of "CPH" Season four. "
Onion acts Oniony - stole Steven's hat and was selling onions in "Raising the Barn"
Lapis is sad - when she was leaving
Someone moves away - Lapis leaving with the barn
New song - "The Working Dead"
Greg makes a dad joke - several in "Gemcation">crossed off during 'Stranded'
Pink Diamond reveal - in "Jungle Moon"
Bingo Bongo - in "Lars of the Stars"
Stevonnie appears - in both episodes>crossed off in this app bomb
Diamond attack - during the flashback
New info about Rose - in Garnet's story
Flashback episode - "Your Mother and Mine"
Mystery Girl appears - during Sadie Killer and the Suspects' concert>practically confirmed
Garnet unfuses - keychain leak shows Ruby and Sapphire in wedding attire, probably for future episode.
New fusion - Rebecca kinda spilled spaghetti when asked about Rainbow Quartz 2.0, but the chances of a StevenxGarnet fusion happening are higher than ever
Lars comes home - kinda inevitable. there's a half hour special titled "Reunited" that could be about that
Ronaldo was right all along - arguably already done, as the shape of the diamond on the dollar bill is the same as PD's gem. but also possibly refers to Lapis being on the moon.
Leaving only "Jasper is back for a fight", "Topaz comes to Earth", "Steven gets new powers", and "Corrupted Gems get healed" without any strong evidence. Three of those go hand-in-hand anyway, so it's just up to us to speculate how Topaz will come to Earth.