Here is the full list of all 8 Jubilee achievements.
Open the gateway to H.E.C.K.
Rescue all of the animals.
Collect and bank every gem in the game.
Reach the ending through Skylantis.
Reach the ending through H.E.C.K.
Collect all 5 secret pages.
Die 100 times.
Unlock Dax (by finding all the shrines).