v2.6.1 is a bug fix over 2.6.0, which the changelog is available here
Fix reauth to not use HttpOnly, resulting in sessions timing out earlier than they should
Mount binary folder into Docker. Note, it is not added to the PATH due to Docker limitations.
Create binary folder on startup and install
Change SFTP to create ed25519 keys instead
Label Docker containers with the server id to help with tracking of servers.