Security
  reduce buffering of transmitted data, especially TCP-based in
  userspace Also expose some of the new tweaks in lua:
      (require 'ffi').C.the_worker.engine.net.tcp.user_timeout = 1000
      (require 'ffi').C.the_worker.engine.net.listen_{tcp,udp}_buflens.{snd,rcv}
Improvements
  add the fresh DNSSEC root key "KSK-2024" already, Key ID 38696
  (!1556)
Incompatible changes
  libknot 3.0.x support is dropped (!1558) Upstream last maintained
  3.0.x in spring 2022.