Dear Sitefinity CMS customers and partners! We are excited to announce the first Beta release of Sitefinity CMS 12.0. We plan to have one more Beta release prior to GA, due to the timing of availability of new features. The Beta program is expected to continue from Mar 20 through Apr 20. Below you will find the details about what is included in the planned Beta releases, how to obtain the releases, and how to communicate with us in case you encounter any issues or have any recommendations. 

Please check Features Preview & BETAS - Sitefinity 12.0 BETA 1 Announced forum for more details.

Regards,
Progress Sitefinity Team