- support Erlang 20.0 and 20.1
- fix compilation warnings
- support IPv6 sockets
- support decoding and encoding of unknown protocol numbers
- fix PF_INET define
- support Erlang R19
- support rebar3 for build
- new recvmsg/2 and recvmsg/3 methods
- new getfd/1 method
- add getsockopt/5 that passes an existing binary into the getsockopt syscall
- reset the versioning to "Semantic Versioning"
- adding a NEWS.md