Ruby

Always allocate Fiber objects in Thread

Currently, root fibers of threads do not have a corresponding Ruby object
backing it by default (it does have one when an object is required, such
as when Fiber.current is called). This is a problem for the new GC weak...

Remove unnecessary comparison from is_local_port_fixed (#15757)

Simplify the conditions:

• Return false if the port is 0 or a negative number
• Return true if the port is a positive number

Skip the hang-up test on mingw

[DOC] Use Japanese for multi-byte characters

[DOC] Japanese only for multi-byte chars examples

[DOC] Multibyte chars Japanese only

Fix: Do not fast_fallback if local_port is explicitly specified (#15732)

fast fallback cannot be used with explicitly specified local port,
because concurrent binds to the same local_host:local_port
can raise Errno::EADDRINUSE.

This issue is more likely to occur on hosts with IPV6_V6ONLY disabled,...

[ruby/openssl] cipher: remove incorrect assertion in Cipher#update

Commit https://github.com/ruby/openssl/commit/1de3b80a46c2 (cipher: make output buffer String independent,
2024-12-10) ensures the output buffer String has sufficient capacity,
bu the length can be shorter. The assert() is simply incorrect and...

Update bundled gems list as of 2025-12-27

[DOC] Use Japanese for multi-byte characters (#15745)