Transmit 5.9.0 -

Resolving CPU spikes and improving stability for macOS Sequoia users. Transmit 5 Release Notes - Panic

Introduced support for SSH certificate client authentication , which is essential for enterprise environments using centralized identity management for server access. Why This Update Mattered Transmit 5.9.0

Added support for FIDO2 ECDSA-SK and Ed25519-SK key authentication. This allowed users to use physical security keys (like a YubiKey) for SSH connections directly within the app. Resolving CPU spikes and improving stability for macOS

Released on November 2, 2022, stands out as a significant security-focused update for the macOS file transfer client. It modernized the app's authentication capabilities, making it much more "future-proof" for professional developers and IT administrators. Key Features of Transmit 5.9.0 This allowed users to use physical security keys

Before 5.9.0, users often had to rely on standard password or private key files. By adding support for physical hardware tokens and certificates, Panic brought Transmit in line with modern security standards used by platforms like GitHub and AWS. It transitioned the app from a simple file mover to a tool capable of handling high-security infrastructure. Comparison with Recent Versions

As of early 2026, the current stable version of Transmit is (released February 2026). While 5.9.0 focused on security protocols, later updates have added: SSH Agent Integration: Support for agents like Bitwarden.