Release note

Signature updates

• CGI.accept_charset (#2045)
• IO#readline, IO#readlines (#2059)
• Kernel#proc (#2036)
• Kernel#system (#2075)
• Object#to_yaml (#2107)
• OpenSSL::Digest (#2108)
• OpenSSL.base64digest (#2078)
• Process.detach (#2083)

Library changes

• Reduce object allocation for record type (#2118)
• Milestone to graduate stringio from core. (#2114)
• Mark all internal parse_ methods as static (#2103)
• Add templating mechanism to automatically generate .c/.h files (#2098)
• Remove unused rbs_unescape_string declaration (#2058)
• Fix UntypedFunction does not provide #map_type_name (#2054)
• Better instance_eval/instance_exec detection (#2052)
• Overload annotations (#2049)

rbs prototype

• prototype rb: Fix crashed by self::CONST (#2079)

rbs collection

• mutex_m support (#2115)

Miscellaneous

• Use File.open with block (#2119)
• Compile without activesupport (#2105)
• docs: Add singleton attribute members to syntax.md (#2090)
• Bundle update rubocop-on-rbs (#2094)
• bundle exec on windows (#2101)
• Fix typos (#2097)
• Bundle update json 2.8.2 (#2095)
• Skip rbs gem validation (#2084)
• Skip PTY_test with Windows platform (#2055)
• Randomize stdlib test order to uncover hidden assumptions (#2043)
• Suppress inline is not at beginning of declaration for melt_array (#2050)
• Skip mkpath test with 3.4 (#2053)