mod_h[ttp]2 v1.2.0

• Each connection now has a push diary where already pushed resources are
  recorded (as 64-bit subsets sha256 URL hashes). The maximum size of a diary
  can be configured with the new directive 'H2PushDiarySize'. The default is 256.
• The module recognizes the request header 'Cache-Digest', carrying a base64url
  encoded set of hash values using Golomb set encoding as described in
  https://datatracker.ietf.org/doc/draft-kazuho-h2-cache-digest/
  This is highly experimental and will most likely change in format and
  interpretation as the draft evolves. For now, this value is used to replace
  the current push diary. This allows clients to inform the server about
  which resources they already have cached.
• module configuration now looks to the crypto library (because it wants SHA256
  from it). If it is not found, a replacement hash is used, however this is
  not interoperable with cache digests from clients, e.g. hits will be missed.
• the module has a new handler named "http2-status" which exposes certain
  properties and statistics of the current HTTP/2 connection. It can be
  configured just like:

       <Location "/http2-status">
         SetHandler http2-status
       </Location>

The usual precautions about exposing some internals of your server to the
outside world apply. Just as for "server-status"."

• Due to more test cases and new functions, more bugs have been exposed,
  examined and exterminated.