Introduced in 2.9.1

Bug fixes

SSHD-1281 ClientSession.auth().verify() is terminated with timeout
SSHD-1285 2.9.0 release broken on Java 8
SSHD-1288 SFTP: fix reading files that are being written
SSHD-1289 Deadlock during session exit
SSHD-1290 Better logging in ChannelAsyncOutputStream

Major code re-factoring

Potential compatibility issues

Minor code helpers

Behavioral changes and enhancements

SSHD-1283 Added configuration property to control whether ScpShell is enabled (default=true).