• Switch to https://github.com/nodejs/llhttp from http-parser. http-parser was a liability as an unmaintained project (#598)
• Bump the number of groups per account from 128 to 512 (#219)
• Allow connecting users to select an authgroup by appending the group name to the URL, as in https://vpn.example.com/groupname; this introduces the select-group-by-url config option (#597).
• Informational messages due to configuration loading are not printed during worker initialization.