- Add constructor binding support for third‑party classes and upgrade compatibility to Gradle 6 (new features).
- Resolve a wide range of bugs such as @SpyBean scope initialization, SSL key alias handling, DevTools YAML loading, actuator immutable property display, and several actuator and health endpoint issues.
- Refresh documentation – add missing information, correct Javadoc, improve Dockerfile examples, and update starter/readme docs – alongside numerous dependency upgrades (minor).