I have the issue with simply trying to ssh to any other host on the LAN since Tahoe 26.5. last entries from ssh -v answer are debug1: Host 'answer' is known and matches the ED25519 host key. debug1: Found key in /Users/dgerman/.ssh/known_hosts:5 debug1: rekey out after 134217728 blocks debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug1: SSH2_MSG_NEWKEYS received debug1: rekey in after 134217728 blocks debug1: SSH2_MSG_EXT_INFO received debug1: kex_ext_info_client_parse: server-sig-algs= debug1: kex_ext_info_check_ver: publickey-hostbound (AT) openssh.com=<0> debug1: SSH2_MSG_SERVICE_ACCEPT received debug1: Authentications that can continue: publickey,password debug1: Next authentication method: publickey No problem from older MacBooks This worked before the update.