| 21918 | Ruby | Bug | Open | fiber scheduler: fiber interrupt triggers for IOs that haven't been closed | | 02/19/2026 02:43 PM | Actions |
| 21916 | Ruby | Misc | Open | DevMeeting before RubyKaigi 2026 | | 02/17/2026 09:44 AM | Actions |
| 21883 | Ruby | Bug | Open | IO::Buffer can be unlocked and freed by another thread during syscall | | 02/16/2026 06:07 AM | Actions |
| 21881 | Ruby | Misc | Open | Split the root box into the (newer) root box and the source of copied user boxes | tagomoris (Satoshi Tagomori) | 02/16/2026 06:35 PM | Actions |
| 21880 | Ruby | Bug | Open | The ultra_safe mode of pstore bundled with Ruby 4.0 is broken. | | 02/16/2026 04:57 AM | Actions |
| 21878 | Ruby | Feature | Open | More file types: DOOR, PORT, WHITEOUT | | 02/13/2026 05:05 PM | Actions |
| 21877 | Ruby | Misc | Open | DevMeeting-2026-03-17 | | 02/17/2026 10:29 AM | Actions |
| 21876 | Ruby | Bug | Open | Addrinfo.getaddrinfo(AF_UNSPEC) deadlocks after fork on macOS for IPv4-only hosts | | 02/13/2026 12:44 AM | Actions |
| 21875 | Ruby | Feature | Open | Handling of trailing commas in lambda parameters | | 02/12/2026 05:00 PM | Actions |
| 21871 | Ruby | Feature | Open | Add Module#undef_const | | 02/12/2026 08:18 AM | Actions |
| 21870 | Ruby | Bug | Open | Regexp: Warnings when using slightly overlapping \p{...} classes | | 02/17/2026 08:27 PM | Actions |
| 21869 | Ruby | Feature | Open | Add receive_all Method to Ractor API for Message Batching | | 02/10/2026 01:14 PM | Actions |
| 21867 | Ruby | Bug | Assigned | enabling Ruby::Box changes puts/warn to no longer use $stdout/$stderr | tagomoris (Satoshi Tagomori) | 02/10/2026 06:28 AM | Actions |
| 21863 | Ruby | Feature | Open | Add RBASIC_FLAGS() and RBASIC_SET_FLAGS() | | 02/12/2026 04:15 PM | Actions |
| 21861 | Ruby | Feature | Open | C API: expose `ruby_xfree_sized`, `ruby_xrealloc_sized`, etc | | 02/10/2026 07:34 AM | Actions |
| 21858 | Ruby | Feature | Open | `Kernel#Hash` considers `to_h` too | | 02/13/2026 06:27 PM | Actions |
| 21857 | Ruby | Feature | Assigned | Introduce to_proc pattern | ktsj (Kazuki Tsujimoto) | 02/10/2026 06:33 AM | Actions |
| 21856 | Ruby | Bug | Open | Massive performance degradation of `rb_obj_free` for `T_CLASS` since Ruby 4.0 | | 02/02/2026 01:04 PM | Actions |
| 21853 | Ruby | Feature | Open | Make Embedded TypedData a public API | | 01/30/2026 12:23 PM | Actions |
| 21852 | Ruby | Feature | Open | New improved allocator function interface | | 01/30/2026 02:54 PM | Actions |
| 21850 | Ruby | Bug | Open | Can't build on FreeBSD/riscv64 | | 01/27/2026 02:16 AM | Actions |
| 21849 | Ruby | Bug | Open | Ripper.lex emits two `tstring_content` for single string in edge-case | | 01/26/2026 12:02 PM | Actions |
| 21848 | Ruby | Bug | Assigned | GC compaction freezes during code reload with 100% CPU in rb_vm_ci_free -> st_general_delete | tenderlovemaking (Aaron Patterson) | 02/10/2026 06:12 AM | Actions |
| 21844 | Ruby | Bug | Open | Inconsistent ArgumentError message for Data::define.new | | 02/12/2026 07:13 AM | Actions |
| 21843 | Ruby | Feature | Open | Simple Priority Scheduler | | 01/20/2026 11:44 PM | Actions |
| 21840 | Ruby | Bug | Open | Locking a mutex can lead to starvation | luke-gru (Luke Gruber) | 01/29/2026 02:26 PM | Actions |
| 21837 | Ruby | Feature | Open | Introduce socket hooks in Fiber Scheduler interface | | 01/15/2026 04:40 PM | Actions |
| 21835 | Ruby | Feature | Assigned | Unbundle bunled gems like net-ftp | hsbt (Hiroshi SHIBATA) | 02/13/2026 02:27 AM | Actions |
| 21834 | Ruby | Misc | Assigned | Extract `yaml/store` into it's own gem that depends on the `pstore` gem | hsbt (Hiroshi SHIBATA) | 01/13/2026 07:48 AM | Actions |
| 21833 | Ruby | Misc | Open | Switch default hash from SipHash13 to XXH3? | | 02/11/2026 07:21 AM | Actions |
| 21830 | Ruby | Bug | Open | Ruby::Box and Kernel#require | tagomoris (Satoshi Tagomori) | 02/15/2026 08:13 AM | Actions |
| 21827 | Ruby | Feature | Open | Deprecating Ripper | | 01/26/2026 01:47 PM | Actions |
| 21826 | Ruby | Feature | Open | Deprecating RubyVM::AbstractSyntaxTree | | 01/09/2026 03:00 PM | Actions |
| 21823 | Ruby | Bug | Open | $! is nil inside rescue block when $! is accessed before raise in Ruby::Box | tagomoris (Satoshi Tagomori) | 01/04/2026 11:02 PM | Actions |
| 21822 | Ruby | Feature | Open | Expose Return Value in the ensure Block | | 02/12/2026 08:28 PM | Actions |
| 21821 | Ruby | Feature | Open | Add Stack and SizedStack classes | | 01/14/2026 09:45 PM | Actions |
| 21820 | Ruby | Bug | Open | "vm_call_cfunc: cfp consistency error" occurs during rdoc generation when installing Ruby 4.0.0 via rbenv on Ubuntu 24.04 | | 01/15/2026 12:16 PM | Actions |
| 21818 | Ruby | Bug | Assigned | Thread backtraces cannot be communicated over Ractor ports | ractor | 01/13/2026 06:11 AM | Actions |
| 21817 | Ruby | Bug | Assigned | Ruby::Box crashes with refinement + bind_call + Symbol#to_proc combination | tagomoris (Satoshi Tagomori) | 01/02/2026 01:17 AM | Actions |
| 21810 | Ruby | Feature | Open | Enable JIT (yjit,zjit) when cross-compiling | jit | 12/29/2025 07:08 AM | Actions |
| 21809 | Ruby | Bug | Assigned | Segmentation fault when running RUBY_BOX=1 gem update --system | tagomoris (Satoshi Tagomori) | 01/13/2026 06:01 AM | Actions |
| 21808 | Ruby | Bug | Assigned | Inconsistency in support of additional newlines with boolean logical operators on new line | matz (Yukihiro Matsumoto) | 02/12/2026 07:38 AM | Actions |
| 21806 | Ruby | Bug | Assigned | `bundler/inline` generates "uninitialized constant Gem::NameTuple" only when RUBY_BOX=1 | tagomoris (Satoshi Tagomori) | 12/26/2025 02:33 AM | Actions |
| 21805 | Ruby | Bug | Open | Wrong "key not found" in NoMatchingPatternKeyError when destructuring Data | | 12/27/2025 11:46 AM | Actions |
| 21803 | Ruby | Bug | Open | `Addrinfo#connect_internal` should raise `IO::TimeoutError` on user-specified timeouts | | 01/07/2026 03:20 AM | Actions |
| 21802 | Ruby | Bug | Open | segmentation fault when installing gems on CI | | 12/23/2025 12:59 PM | Actions |
| 21801 | Ruby | Bug | Open | compile failed at 4.0.0 preview 3 and snapshot issue | | 12/29/2025 12:41 PM | Actions |
| 21798 | Ruby | Bug | Assigned | `bundle install` command fails if touches `$LOAD_PATH` on `Ruby::Box` enabled | tagomoris (Satoshi Tagomori) | 12/26/2025 02:33 AM | Actions |
| 21797 | Ruby | Feature | Open | Make Etc.nprocessors cgroup-aware on Linux | | 12/30/2025 06:24 AM | Actions |
| 21795 | Ruby | Feature | Open | Methods for retrieving ASTs | | 02/14/2026 05:58 PM | Actions |