See below for the new features in the Timestamping Authority for the Cryptographic Security Platform 1.5.0.
Composite post-quantum certificate support (ATEAM-19066)
Added support for composite ML-DSA post-quantum certificates and keys using software cryptography, Entrust nShield HSM, or Thales Luna HSM.
The tsactl create-key command now supports 13 explicit composite key types.