In 2017, I returned to SMB3 editing after a few months of retirement with the following levels:

1. Spring Forward Sanctum (March)
2. Swampy Salvo (April)
3. Boardwalk Bounty (May)
4. Conveyor Castle (June)
5. Flat Stanley Fields (July #1)
6. 4th Of July Fields (July #2)
7. Lamp Lash Luck (August #1)
8. Seaside Jam (August #2)
9. Fire Fleet (September)
10. Nighttime Nonsense (2017) (October)
11. Warp Speed Temple (November)
12. Wario's Winter Wonderland: Winter Wonderland 3 (December)

Enjoy!