JDK 19.0.2 Release Notes

New Features

DTLS Resumption Uses HelloVerifyRequest Messages (JDK-8287411)

security-libs/javax.net.ssl

With this fix, the SunJSSE DTLS implementation will exchange cookies for all handshakes, both new and resumed, by default unless the System property jdk.tls.enableDtlsResumeCookie is false. The property only affects the cookie exchange for resumption.