JNLP4 remoting protocol enabled by default
The JNLP4 protocol is now enabled by default for JNLP agent connections. It’s more reliable than JNLP3, and also encrypted, making it the best choice for agent connections. Use of this protocol may require upgrades of slave.jar files on agents.
Obsolete ciphers removed from SSHD
Jenkins exposes an SSH server that allows use of CLI commands via SSH. Obsolete ciphers AES128CBC, TripleDESCBC, and BlowfishCBC have been removed.