Timeline for 23A Software (dates in 2022), v2:

Mar 25, Fri: Deadline for TTA prioritized requirements for the Proposal Process
Mar 31, Thu: Review of priorities to be presented at the SSA/DMS prioritization meeting
April 6, Wed: Deadline to submit requirements for SSA/DMS Prioritization meeting
May 2-13: Development for PST
May 6, Fri: SSA/DMS prioritization meeting
May 13, Fri: Release for testing the Call for Proposals items

May 27, Fri: Deadline for TTA prioritized requirements for the Review Process
June 06-17: Development for Review Process
Jul 01, Fri: Release PST for the 23A Call for Proposals
Jul 01, Fri: 23A Call for Proposals
Jul 07, Thu: 23A Review Process on Test 
Aug 01, Mon: 23A Proposal Deadline 
Aug 04, Thu: Release PST for the 23A Review Process