  * tighten (build-)dependencies for crate ring
    when package rust-ring 0.17.* is is unstable
  * exapnd autopkgtest architecture coverage
    when package rust-ring 0.17.* is is unstable
  * provide features
    default default-resolver ring-accelerated test-vectors xchachapoly
    when needed crates are in Debian
    * blake2
    * chacha20poly1305
    * curve25519-dalek
  * provide feature libsodium-resolver
    when needed crate is in Debian
    * sodiumoxide
  * provide feature libsodium-accelerated
    when needed crates are in Debian
    * blake2
    * chacha20poly1305
    * curve25519-dalek
    * sodiumoxide
  * provide feature pqclean_kyber1024
    when needed crates are in Debian
    * blake2
    * chacha20poly1305
    * curve25519-dalek
    * pqcrypto-kyber
    * pqcrypto-traits
  * check more tests
    when needed crate is in Debian
    * x25519-dalek
