I wouldn't be so sure, there's a Grim skin Baryonyx there set for Q1 2021. It feels like it might be Covid delays responsible for that specifically (original Q4 release would make more sense in my mind at least). But yeah, I still wouldn't really hold up hope for them being in the series at all.The Sarcosuchus repaint, Monolophosaurus, and the Plesiosaurus are planned for Q1 2021. Camp Cretaceous is only eight episodes long, and I'm not sure if they will be released on separate days, or all on teh same day like with one Netflix TV show I know of from last year. There are no plans for a second season, and they only said they would be interested in doing one should the first be successful. So, how could toys planned for Q1 2021 be a good way to market it?
You can find confirmation for this here at JPToys.com, with collaboration of Collect Jurassic who are friends with Mattel themselves.
JPToys - News
Fan-based website featuring Kenner/Hasbro Jurassic Park toys and action figuresjptoys.com
I think in more recent times Netflix tend to spread originals out at one episode a week (which takes it to 6th of November), but all at once seems likely also, given it's relatively short.
Overall, I commend you on a solid investigation from the last 6 months and it's been enjoyable keeping informed about it.