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| -rw-r--r-- | NEWS.md | 13 |
1 files changed, 6 insertions, 7 deletions
@@ -353,13 +353,12 @@ details of the default gems or bundled gems. * The default parser is now Prism. To use the conventional parser, use the command-line argument `--parser=parse.y`. [[Feature #20564]] -* Happy Eyeballs version 2 (RFC8305) is used in Socket.tcp. - To disable it, use the keyword argument `fast_fallback: false`. - [[Feature #20108]] -* Happy Eyeballs version 2 (RFC8305) is implemented in TCPSocket.new. - To enable it, use the keyword argument `fast_fallback: true`. - (This entry is temporary. It should be merged with the above entry after it becomes settled) - [[Feature #20782]] +* Happy Eyeballs version 2 (RFC8305), an algorithm that ensures faster and more reliable connections + by attempting IPv6 and IPv4 concurrently, is used in Socket.tcp and TCPSocket.new. + To disable it globally, set the environment variable `RUBY_TCP_NO_FAST_FALLBACK=1` or + call `Socket.tcp_fast_fallback=false`. + Or to disable it on a per-method basis, use the keyword argument `fast_fallback: false`. + [[Feature #20108]] [[Feature #20782]] * Array#each is rewritten in Ruby for better performance [[Feature #20182]]. * Alternative garbage collector (GC) implementations can be loaded dynamically |