As a #programmer (#PHP and other) i think the “rollback” work that has been done in #WordPress (and looks like more coming) is very impressive given the complexities and the scope:
https://make.wordpress.org/core/2024/04/19/merge-proposal-rollback-auto-update/
Merge Proposal: Rollback Auto-Update
Background The biggest risk for a site owner when updating plugins is encountering a PHP fatal error that crashes their website. While Core updates are protected by automatic rollbacks since WordPr…Make WordPress Core