- Added NINETEEN constant to JavaVersion enum.
- Fixed several bugs including Hikari thread context class loader, case‑insensitive PeriodStyle/DurationStyle parsing, YAML timestamp handling, Netty leak detection defaults, and Hazelcast config file recognition.
- Updated documentation for JDK 19 support, config sub‑directory details, @ConditionalOnClass usage, and web client metrics, and performed numerous dependency upgrades.