Java versions supporting TLS 1.3
What versions of Java support TLSv1.3 / TLS 1.3?
Java 8 TLS 1.3 Support
If you are on Java 8 (or 1.8 if you prefer) then you need version
8u261 b12 or greater. This version was released on July 14, 2020.
Java 11 TLS 1.3 Support
Java 11 has supported TLS 1.3 since it was first released, however there were some bugs in the early versions. For that reason you should probably shoot for at least version
11.0.8 which is when TLSv1.3 support was added to Java 8.
How can I see if my Java code supports TLSv1.3?
Try connecting to
tls13.akamai.io and see what it responds with.
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Java versions supporting TLS 1.3 was first published on May 11, 2021.