AWS Key Management Service

2026/04/27 - 1 new api methods

Changes   KMS GetKeyLastUsage API provides information on the last successful cryptographic operation performed on KMS keys. This new API provides KMS customers with the last timestamp, CloudTrail eventId, and the cryptographic operation that was performed on the key.

2026/02/16 - 2 updated api methods

Changes   Added support for Decrypt and ReEncrypt API's to use dry run feature without ciphertext for authorization validation

2025/11/21 - 1 updated api methods

Changes   Support for on-demand rotation of AWS KMS Multi-Region keys with imported key material

2025/11/07 - 8 updated api methods

Changes   Added support for new ECC_NIST_EDWARDS25519 AWS KMS key spec

2025/10/30 - 3 updated api methods

Changes   Add cross account VPC endpoint service connectivity support to CustomKeyStore.

2025/06/12 - 6 updated api methods

Changes   AWS KMS announces the support of ML-DSA key pairs that creates post-quantum safe digital signatures.

2025/06/05 - 13 updated api methods

Changes   AWS KMS announces the support for on-demand rotation of symmetric-encryption KMS keys with imported key material (EXTERNAL origin).

2024/06/13 - 1 new 7 updated api methods

Changes   This feature allows customers to use their keys stored in KMS to derive a shared secret which can then be used to establish a secured channel for communication, provide proof of possession, or establish trust with other parties.

2024/05/22 - 1 updated api methods

Changes   This release includes feature to import customer's asymmetric (RSA, ECC and SM2) and HMAC keys into KMS in China.