Post-Quantum Cryptography in Mirantis Container Runtime

As part of an upcoming release, we’re adding post‑quantum protection to the TLS connections Mirantis Container Runtime (MCR) relies on, starting with the key exchange, the part that matters most today. It happens automatically, your certificates don’t change, your FIPS compliance remains intact, and the performance impact is small enough that most workloads won’t notice it. This post explains what changed, why we started with key exchange, and what it means for you.