Main changes for LuaSocket 3.0-rc1 are IPv6 support and Lua 5.2 compatibility.
- Added: Compatible with Lua 5.2
- Note that unless you define LUA_COMPAT_MODULE, package tables will not be exported as globals!
- Added: IPv6 support;
- Socket.connect and socket.bind support IPv6 addresses;
- Getpeername and getsockname support IPv6 addresses, and return the socket family as a third value;
- URL module updated to support IPv6 host names;
- New socket.tcp6 and socket.udp6 functions;
- New socket.dns.getaddrinfo and socket.dns.getnameinfo functions;
- Added: getoption method;
- Fixed: url.unescape was returning additional values;
- Fixed: mime.qp, mime.unqp, mime.b64, and mime.unb64 could mistaking their own stack slots for functions arguments;
- Fixed: Receiving zero-length datagram is now possible;
- Improved: Hidden all internal library symbols;
- Improved: Better error messages;
- Improved: Better documentation of socket options.
- Fixed: manual sample of HTTP authentication now uses correct "authorization" header (Alexandre Ittner);
- Fixed: failure on bind() was destroying the socket (Sam Roberts);
- Fixed: receive() returns immediatelly if prefix can satisfy bytes requested (M Joonas Pihlaja);
- Fixed: multicast didn't work on Windows, or anywhere else for that matter (Herbert Leuwer, Adrian Sietsma);
- Fixed: select() now reports an error when called with more sockets than FD_SETSIZE (Lorenzo Leonini);
- Fixed: manual links to home.html changed to index.html (Robert Hahn);
- Fixed: mime.unb64() would return an empty string on results that started with a null character (Robert Raschke);
- Fixed: HTTP now automatically redirects on 303 and 307 (Jonathan Gray);
- Fixed: calling sleep() with negative numbers could block forever, wasting CPU. Now it returns immediately (MPB);
- Improved: FTP commands are now sent in upper case to help buggy servers (Anders Eurenius);
- Improved: known headers now sent in canonic capitalization to help buggy servers (Joseph Stewart);
- Improved: Clarified tcp:receive() in the manual (MPB);
- Improved: Decent makefiles (LHF).
- Fixed: RFC links in documentation now point to IETF (Cosmin Apreutesei).