I currently don't have the time to go back through and fix issues for older versions so I'll use this issue to track anything that I may have fixed in 1.20 and if time permits allows me to go back and fix in older versions.

1.16.5 (very unlikely)

#495
#428
#426
#411

1.18.2 (unlikely, 3 versions back)

#521
#443
#393

1.19.2

No fix currently

#488

Has been fixed

8970e28 =-= Cinnamon Logs aren't flammable
61025c5 =-= Glowing Calamari missing from fishes tag #532
8970e28 =-= Add milks to milk
7e67bef =-= Add cherry botany pot
bf0c9bd =-= Fix infinite cinnamon

1.19.4

No fix currently

Has been fixed

8970e28 =-= Cinnamon Logs aren't flammable
61025c5 =-= Glowing Calamari missing from fishes tag #532
8970e28 =-= Add milks to milk
ac31546 =-= Missing texture for guide book
7e67bef =-= Add cherry botany pot
bf0c9bd =-= Fix infinite cinnamon