If the developers are happy about the code and testing quality of a project, then you waited too long to ship.
If the customers don't have any feedback or missed feature asks at launch, you waited too long to ship.
You know who has great internal code and test quality? Google. Which is why Google doesn't ship. They're a wealth distribution charity for talented engineers. And their competitive advantage is that they lure talented people away from other companies where they might actually ship something and compete with Google, to instead park them, distract them with toys, beer kegs, readability reviews, and monorepo upgrades.
If the customers don't have any feedback or missed feature asks at launch, you waited too long to ship.
You know who has great internal code and test quality? Google. Which is why Google doesn't ship. They're a wealth distribution charity for talented engineers. And their competitive advantage is that they lure talented people away from other companies where they might actually ship something and compete with Google, to instead park them, distract them with toys, beer kegs, readability reviews, and monorepo upgrades.