3.4.3

Ruby 3.4.3 portable binaries

Released by Ruby: 2025-04-14

---

What's Changed

• Bug #21145: Prism accepts newlines in-between curly unicode escape - Ruby - Ruby Issue Tracking System
• Bug #21153: ::Foo ||= p 1 should parse - Ruby - Ruby Issue Tracking System
• Bug #21030: Bug: #step with Range<ActiveSupport::Duration> behavior broken on Ruby 3.4.1 - Ruby - Ruby Issue Tracking System
• Bug #21131: IO.copy_stream: yielded string changes value when duped - Ruby - Ruby Issue Tracking System
• Feature #19521: Support for Module#name= and Class#name=. - Ruby - Ruby Issue Tracking System
• Bug #21159: Module#set_temporary_name should freeze given name - Ruby - Ruby Issue Tracking System
• Bug #21161: Crash when locale is set to Turkish tr_TR.UTF-8 - Ruby - Ruby Issue Tracking System
• Bug #21144: Win32: Use Windows time zone ID as the time zone name if TZ is not set - Ruby - Ruby Issue Tracking System
• Bug #21170: Corrupted Hash (bad VALUE and missing entry) when -1 returned from .hash - Ruby - Ruby Issue Tracking System
• Bug #21172: Race condition in register_fstring - Ruby - Ruby Issue Tracking System
• Bug #21163: Inconsistencies in Kernel.Float compared to other number parsing methods - Ruby - Ruby Issue Tracking System
• Bug #21173: RUBY_FREE_AT_EXIT does not work when error in -r - Ruby - Ruby Issue Tracking System
• Bug #21179: Introduction Happy Eyeballs Version 2 broke Socket.tcp from secondary Ractors - Ruby - Ruby Issue Tracking System
• Bug #19841: Marshal.dump stack overflow with recursive Time - Ruby - Ruby Issue Tracking System
• Bug #21180: SEGV while marking imemo_env->iseq - Ruby - Ruby Issue Tracking System
• Bug #21186: Inconsistent parsing of ?あand 0 - Ruby - Ruby Issue Tracking System
• Bug #21094: Module#set_temporary_name does not affect a name of a nested module - Ruby - Ruby Issue Tracking System
• Bug #21195: Crash when using IO#timeout - Ruby - Ruby Issue Tracking System
• Bug #21196: Ruby 3.4 ignores visibility when passing arguments using ... - Ruby - Ruby Issue Tracking System
• Bug #21141: Time#utc? does not work with a timezone object - Ruby - Ruby Issue Tracking System
• Bug #21211: Incomplete Backtrace for Socket Errors in Ruby 3.4+ - Ruby - Ruby Issue Tracking System
• Bug #21197: Prism does not accept newline after defined? keyword - Ruby - Ruby Issue Tracking System
• Bug #21183: Ractor error with Prism::VERSION - Ruby - Ruby Issue Tracking System
• Bug #21217: Integer.sqrt produces wrong results even on input <= 1e18 - Ruby - Ruby Issue Tracking System
• Bug #21220: Memory corruption in update_line_coverage() [write at index -1] - Ruby - Ruby Issue Tracking System

Note: This list is automatically generated by tool/gen-github-release.rb. Because of this, some commits may be missing.

Full Changelog

ruby/ruby@v3_4_2...v3_4_3