Currently, the Spring’21 release is available under the pre-release program. On the and 08th & 09th of January, Sandboxes will be upgraded, as a result, your organization will get the look and feel of Spring’21 release. In this release, you will find lots of new features, as well as, new enhancements related to Lightning Experience, Salesforce Flow, Lightning Web Component, Apex, Experience Cloud, Pardot, Quip, Tableau