- #743: Pooled SMTP connections can now retire after a configured lifetime, with Java, properties, Spring, batch, and CLI support; see the pool configuration guide.
- #729: JMail 2.2.2 fixes validation of Unicode control characters.
- #730: Lombok 1.18.48 keeps annotation processing current.
- #732: SLF4J API 2.0.19 brings the latest upstream logging fixes.