Super Mario Maker 2

v 2.0.0 (USA release) (5th December: Europe):

Adds Link from the Legend of Zelda series as a playable character, a new gameplay mode (Ninji Speedruns mode), course parts and enemies:

Dash Block: Available in the Super Mario 3D World style, the Dash Block course part gives Mario a major speed burst when stepped on.

Frozen Coin: These coins are surrounded by a block of ice and can only be released if melted by fireballs or other fire elements, including a certain angry sun.

P Block: When a P Switch is hit in the course, invisible P Blocks temporarily turn into hard platforms, or vice-versa.

Spike: This classic enemy coughs up massive spike balls and launches them at Mario. If used in the snow environment, Spike will toss snowballs instead!

Pokey: The iconic stacked cactus from multiple Super Mario games joins Super Mario Maker 2 for the first time. Players can even edit the height of each Pokey.

v 3.0.0. (USA release) (April 23rd: Europe):

New World Maker Mode: multiple courses created by a user can be tied together on a path from the starting point on a world map to the end castle. The look of the world map can also be customized. Up to eight worlds containing a total of up to 40 courses can be combined, creating a Super World, that can be shared with others.

New course tags: Art, Technical, Shooter, Boss battle, Single player, and Link.

Friends can be displayed on leadeboards.

New content for user-created levels:

Enemies (all seven Koopalings, Phanto, the Mechakoopas)

Power-ups and course parts: SMB2 Mushroom, Frog Suit, Power Balloon, Super Acorn, Boomerang Flower, Cannon Box, Propeller Box, Goomba Mask, Bullet Bill Mask, Red POW Box, Cursed Key, ON/OFF Trampoline, Dotted-line Block (the Dotted-Line Block has been newly added to the Super Mario 3D World game style. It has been available in all other game styles since Ver. 1.0.0.).