This is what I think of the new update from a Mid Game perspective. Keep in mind it's just my opinion.
My Account Review / Overlook
https://www.youtube.com/watch?v=fP38xfuDi5E
Gambit Review
https://www.youtube.com/watch?v=zrUgkB9uIXI
Cavern 11-15 update Review
https://www.youtube.com/watch?v=vpm-znTu3_s
IdleOn Cavern 15 / Villager Upgrades!! Lets Go!! Stream VOD
https://www.youtube.com/watch?v=lUzX3DBq4VQ&t=5s
IdleOn Villager EXP Guide. Level Much Faster!
https://www.youtube.com/watch?v=blW3bzPYyC8