I may have missed the announcement for it, but I just saw that 2022 R1 dropped into builds.acumatica.com today with version 22.100.0178.
builds.acumatica.com - /builds/ (acumatica-builds.s3.amazonaws.com)
Developers should sign up for webinar coming up this Thursday for What’s New for Developers in Acumatica 2022 R1 for the inside info.
Register for the webinar here:
https://webinar.ringcentral.com/webinar/register/WN_uLPACfsDR2WwrV5pu5iEpg