According to @adam3us, users should upgrade Blockstream Jade now to patch a disclosed security issue, with the new firmware also delivering faster and smoother QR scanning plus other improvements (source: @adam3us on X, Dec 17, 2025). Blockstream Jade stated it notified users two weeks ago about a vulnerability affecting select firmware versions and confirms the issue is fully resolved in the latest release (source: Blockstream Jade on X, Dec 17, 2025). Blockstream has published technical details in its official security disclosure to help users assess exposure and verify remediation steps (source: Blockstream blog security disclosure). For BTC self-custody operations, updating Jade reduces exposure associated with the affected versions and supports continuity of withdrawals and trade settlements compared with remaining on vulnerable firmware (source: Blockstream Jade on X; Blockstream blog).