Release Notes: ares_getsock() returns a proper bitmask and avoids overflowing the socket array. A bug in TCP reading was fixed. It now behaves better on Win32 when disconnected from the network.
Release Notes: ares_getsock() was added, and a few bugs were fixed.
Release Notes: Support for IPv6 and sortlist were added. Problems with blocking sockets, Mac OS X builds, and Windows DNS server "extraction" were fixed.
Release Notes: Support for more /etc files was added and minor portability issues and a memory leak were fixed. The library now works more nicely on Windows, RISC OS, and Netware. Many bugs were corrected.
Release Notes: This release adds ares_cancel() and ares_expand_string().
Release Notes: The ares_free_errmem() function was removed. The --enable-debug option was added to the configure script. Multiple name servers on Windows are supported. Building was improved on 64-bit architectures and Windows.