Never, because that is not how it works.Take a look at the Announcements section and you will find that the community editions are named YEAR.1.x and YEAR.7.x while the business editions are named YEAR.4.x and YEAR.10.x.23.10 has just been announced. a few days after 24.1. So, depending on what you aim for, you can either buy that or wait for 23.4.