By then Windows and Linux were both mature and the modules had stabilised: how to write configuration, how to read logs, how to renew certificates, how to supervise the service — every question had a settled answer. Before the release the team walked each path again to confirm behaviour stayed the same on another machine and for another user.
The meaning of 1.0.0 is a promise: interfaces and usage will not change drastically in the short term, so users can depend on it as infrastructure instead of re-adapting every few months. For a student-maintained project that stability is harder to achieve than new features, and more valuable.