The list of big features #Java20 finalizes is rather short: . (That was it already. 🥱) All 20 improves is security, performance, tools, regex, Unicode, and all previews. Maybe worth a closer look after all? ("This thread should've been a blog post." nipafx.dev/java-20-guide/)
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SECURITY As every release, #Java20 updates Java to the constantly evolving sec landscape: * DTLS 1.0 disabled by default: bugs.openjdk.org/browse/JDK-825… * TLS_ECDH_* cipher suites disabled: bugs.openjdk.org/browse/JDK-827… You can re-enable at your own risk with `jdk.tls.disabledAlgorithms`.