Mbed-tls-announce October 2025

mbed-tls-announce@lists.trustedfirmware.org

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Announcing the joint release of Mbed TLS 4.0.0 & TF-PSA-Crypto 1.0.0

by Minos Galanakis

Hi Mbed TLS users, We’re pleased to announce a major milestone: the joint release of Mbed TLS 4.0.0 and the first-ever TF-PSA-Crypto 1.0.0. Mbed TLS now uses PSA Crypto as the default cryptographic API, and these releases include significant API changes that break backward compatibility with previous versions These releases include significant API changes that break backward compatibility with previous versions, so please test your integration thoroughly and follow the migration guides to update your codebase: https://github.com/Mbed-TLS/mbedtls/blob/mbedtls-4.0.0/docs/4.0-migration-g… https://github.com/Mbed-TLS/TF-PSA-Crypto/blob/v1.0.0/docs/1.0-migration-gu… Full details are available in the release notes: https://github.com/Mbed-TLS/mbedtls/releases/tag/mbedtls-4.0.0 https://github.com/Mbed-TLS/TF-PSA-Crypto/releases/tag/tf-psa-crypto-1.0.0.

1 day, 16 hours

Mbed TLS 3.6.5 Released

by Minos Galanakis

Hi Mbed TLS users, We have released Mbed TLS version 3.6.5. These releases of Mbed TLS address several security issues, provide bug fixes, and bring other minor changes. Full details are available in the release notes https://github.com/Mbed-TLS/mbedtls/releases/tag/mbedtls-3.6.5. We recommend all users to consider whether they are impacted, and to upgrade appropriately.

1 day, 16 hours

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Mbed-tls-announce October 2025