I really would like this as well. Being able to jump to specific headings would be nice. I would like to see it similar to Obsidians where the TOC is an option in the menu rather than taking up space in a note similar to Notions.
I paid for the 1 year when it was on sale and when I hopped on to EN today all my devices are telling me on on the free plan when I paid for the personal 1 year