[pull] master from ruby:master#546

Merged

pull[bot] merged 9 commits intoturkdevops:masterfrom

Dec 6, 2025

Commits on Dec 6, 2025

Add support for `u128`, `U128`, `s128` and `S128` integers to `IO::Buffer`. (#15399)
samuel-williams-shopify
authored
[ruby/stringio] [DOC] Link to on-page section, not class File doc

BurdetteLamar
authored and
matzbot
committed
[DOC] Better multibyte-character data

BurdetteLamar
authored and
peterzhu2118
committed
[DOC] Tweaks for String#swapcase

BurdetteLamar
authored and
peterzhu2118
committed
[DOC] Tweaks for String#upcase

BurdetteLamar
authored and
peterzhu2118
committed
[DOC] Tweaks for String#downcase

BurdetteLamar
authored and
peterzhu2118
committed
[DOC] Tweaks for String#capitalize

BurdetteLamar
authored and
peterzhu2118
committed
[ruby/stringio] [DOC] Class doc for StringIO

BurdetteLamar
authored and
peterzhu2118
committed
[DOC] Link global variables to command line options
nobu
committed