This retrospective meeting is designed to give participants the opportunity to reflect on the past and plan for the future. Through a series of facilitated discussions, participants will be encouraged to share their experiences, successes, and challenges from the past year.
From Wikipedia
A retrospective, generally, is a look back at events that took place, or works that were produced, in the past. As a noun, retrospective has specific meanings in software development, popular culture, and the arts. It is applied as an adjective, synonymous with the term retroactive, to laws, standards, and awards.