I’ve done CD in production. If you have “enough” test automation, you can have enough confidence that significant regressions become rare, and when they do crop

I’ve done CD in production. If you have “enough” test automation, you can have enough confidence that significant regressions become rare, and when they do crop up you can find and fix them in minutes-to-hours from finding the bug to releasing a fix to production. It works very well if you can tolerate that some of your users will have (typically minor) issues once in a while. Coupled with blue/green or canary deployments you can move pretty quickly while minimizing the impact of bugs.