I have a working split-ssh configuration for a long time. Recently, after upgrading to 4.3 with a clean install, and reapplying SshAgent policy in dom0, I try this in the previously working appvm: $ ssh -T git@github.com sign_and_send_pubkey: signing failed for ED25519 "/home/user/.ssh/id_ed25519_github" from agent: agent refused operation git@ssh.github.com: Permission denied (publickey). in the meantime, my dom0 python popup appears and gets confirmation in the same way it did in 4.2. Howev...