I worked on a codebase that had this bug, so I’m not sure where you’re getting “this is false” from.
We sold software that was installed long-term at customer sites, and they weren’t going to update it until they needed to, so the bug persisted in production well after we fixed it.
We sold software that was installed long-term at customer sites, and they weren’t going to update it until they needed to, so the bug persisted in production well after we fixed it.