KeyOS
KeyOS, the Rust microkernel OS powering Passport Prime, from Foundation Devices.
Release history
KeyOS 1.4.1
Focuses on reliability, battery care, and update speed
KeyOS 1.4.0
Passport Prime gains redesigned launcher, multisig exports for Unchained/Casa, third-party app sideloading, and critical Bitcoin signing security hardening
KeyOS 1.3.2
Prepares Passport Prime for 1.4.0 and speeds future update workflows
KeyOS 1.4.0-beta3
KeyOS 1.4.0 adds multisig exports for Unchained and Casa, fixes critical change-output validation bugs, hardens entropy mixing, and supports third-party app sideloading with permission controls
KeyOS 1.4.0-beta1
Beta release redesigns Passport Prime launcher UI
Passport Prime 1.4.0-beta1
KeyOS 1.4.0 beta with redesigned launcher; Test before production use
Passport Prime 1.3.1
Adds last-word generation during seed entry on Prime hardware
Passport Prime 1.3.0-beta
Adds external bitcoin seed and nostr key import to Vault, BIP85 password generation, mass 2FA import from Google Authenticator, and universal QR scanner
Passport Prime 1.3.0
Passport Prime adds external seed/key import, BIP85 password generation, and mass 2FA import, plus comprehensive security hardening from third-party audit