Custom Number Formatting

Number Formatting has received two major updates:

20 different number formatting options
are now available by default including (accounting), bytes, ordinal (1st, 2nd, 3rd) and a variety of abbreviations for numbers and currency (thousand, millions, billions, etc.)
A
Custom format
option is now available. You can define a format per axis and include units if you'd like! (mph, km/h etc)

Documentation for the new number formats can be found here: Number Formatting