22251 Ruby Bug Open ObjectSpace::WeakMap#size can return a stale value 08/18/2026 04:39 PM Actions 22250 Ruby Feature Open Add an only: keyword to Coverage.peek_result 08/18/2026 12:16 PM Actions 22249 Ruby Misc Open DevMeeting-2026-09-10 08/18/2026 02:27 PM Actions 22248 Ruby Bug Open `Errno::NOERROR` from `connect(2)` once a non-main Ractor has more than one Ruby thread 08/17/2026 04:17 PM Actions 22247 Ruby Feature Open Add Ractor.movable? 08/15/2026 12:47 PM Actions 22246 Ruby Bug Open Rational#to_f incorrectly rounds when the numerator is a bignum that cannot be represented exactly by a double, and the denominator is a fixnum 08/18/2026 02:44 PM Actions 22245 Ruby Feature Open Reduce Array#& cost when self is much shorter than the argument 08/14/2026 04:12 PM Actions 22244 Ruby Feature Open `ruby -UU` should set both internal and external, `ruby -E` should print encoding list 08/13/2026 06:56 PM Actions 22242 Ruby Bug Open SEGV in method dispatch (`vm_call_iseq_setup_kwparm_nokwarg` / `def_iseq_ptr`) on Ruby 4.0.6 — Rails CI 08/18/2026 06:48 AM Actions 22241 Ruby Bug Open Restore compatibility for removed `JSON.dump` and `JSON.parse` arguments byroot (Jean Boussier) 08/12/2026 05:43 AM Actions 22240 Ruby Bug Open Protect against SEGV caused by native extensions using rb_funcall between rb_protect and rb_jump_tag 08/14/2026 05:31 PM Actions 22239 Ruby Bug Open Multiple buffer clear errors in IO 08/10/2026 12:18 PM Actions 22238 Ruby Feature Open String#tr to take a Hash for multi-character replacements 08/14/2026 02:36 PM Actions 22236 Ruby Feature Open New API for adjustable JIT warmup jit 08/10/2026 03:51 PM Actions 22234 Ruby Bug Open IO::Buffer#resize(0) copies uninitialized memory into the buffer 08/08/2026 08:58 AM Actions 22233 Ruby Feature Open Warn when Net::HTTP#set_debug_output enables debug output 08/06/2026 07:51 PM Actions 22232 Ruby Feature Open Deprecate `RHASH_TBL` and associated APIs 08/06/2026 10:09 AM Actions 22231 Ruby Feature Open Add `IO::Buffer#index` 08/07/2026 02:33 AM Actions 22227 Ruby Feature Open Per-Ractor GC: collect each Ractor's heap locally, stop the world only when needed 08/08/2026 08:53 AM Actions 22226 Ruby Feature Open Ractor: class/module ownership -- restrict modification to the Ractor that created it ko1 (Koichi Sasada) 08/10/2026 07:23 AM Actions 22219 Ruby Bug Open IO::Buffer#free, #resize and #transfer should raise FrozenError if the receiver is frozen 07/30/2026 11:40 PM Actions 22216 Ruby Bug Open Special variables (ex. Regexp backref and IO lastline) are thread-unsafe in some cases, incompatible with Ractor 08/07/2026 09:24 PM Actions 22211 Ruby Bug Open Fiber::Scheduler stalls on Ractor::Port.receive ractor 07/29/2026 08:50 AM Actions 22209 Ruby Bug Open IO#set_encoding is ignoring the :newline keyword argument when given Encoding positional argument 08/09/2026 10:35 AM Actions 22205 Ruby Feature Assigned Deprecate ruby2_keywords shugo (Shugo Maeda) 08/14/2026 12:24 AM Actions 22204 Ruby Bug Open Kernel#require documentation pulls from RubyGems' version of method instead of core version (stable releases only) 07/18/2026 04:40 PM Actions 22203 Ruby Bug Open Coverage (eval: true): branch entries for re-eval'd code are nondeterministically duplicated mame (Yusuke Endoh) 07/20/2026 12:02 PM Actions 22200 Ruby Bug Open ObjectSpace._id2ref can return a different object than the id's owner on Ruby 4.0 (stale id2ref_tbl entry for objects with generic fields) Eregon (Benoit Daloze) 08/10/2026 07:57 PM Actions 22195 Ruby Bug Open IO::Buffer read after free silently returns empty data instead of raising 07/14/2026 01:52 PM Actions 22194 Ruby Bug Open File.realpath and File.realdirpath handle differently path encoding incompatible with a filesystem's one 07/20/2026 01:02 PM Actions 22187 Ruby Bug Open High major GCs caused by specific workloads in 3.4 07/11/2026 08:34 AM Actions 22182 Ruby Feature Open Poor man's escape analysis 07/20/2026 05:34 PM Actions 22180 Ruby Misc Assigned Provide official Windows (mswin) binary packages and a version manager hsbt (Hiroshi SHIBATA) 07/14/2026 11:50 PM Actions 22176 Ruby Bug Assigned [Feature] TracePoint#defined_box: get the Ruby::Box where a method is defined tagomoris (Satoshi Tagomori) 07/07/2026 06:40 AM Actions 22174 Ruby Bug Open Set operations (&, ^, collect!, flatten, classify, divide) do not preserve compare_by_identity 07/04/2026 12:41 AM Actions 22173 Ruby Bug Open `Ractor.new { Fiber.current }.value` raises `[BUG] rb_ractor_confirm_belonging object-ractor id:1, current-ractor id:2` ractor 07/05/2026 10:50 AM Actions 22134 Ruby Feature Open Faster rb_scan_args() for keyword args (optimization) 06/30/2026 01:05 AM Actions 22132 Ruby Feature Open Scala-like for comprehensions 07/08/2026 02:23 AM Actions 22130 Ruby Feature Open Add a new YARV instruction for a `String.new` fast path 07/09/2026 09:48 PM Actions 22128 Ruby Feature Open C API: Expose RB_OBJ_SET_FROZEN_SHAREABLE 07/02/2026 10:05 AM Actions 22125 Ruby Bug Open IO::Buffer triggers use-after-free when it's freed/resized during enumeration 06/23/2026 08:17 PM Actions 22122 Ruby Bug Open A Ractor/Ractor::Port memory leak (or so it would seem) ractor 07/02/2026 01:07 PM Actions 22121 Ruby Feature Open Introduce Parallel Sweep feature 07/07/2026 05:48 PM Actions 22119 Ruby Feature Open Thread: inherit storage on child threads 06/17/2026 12:38 PM Actions 22113 Ruby Bug Open Proc#curry produces a corrupted (false) argument under GC compaction 06/14/2026 09:33 AM Actions 22110 Ruby Bug Assigned Ruby::Box C-extension loading can be denied by predictable temporary filename tagomoris (Satoshi Tagomori) 06/13/2026 05:11 AM Actions 22109 Ruby Bug Open Unexpected or misleading error when subclass of a ractor calls a new method on itself 06/13/2026 10:06 PM Actions 22106 Ruby Bug Open Getting a segfault when using finalizers and/or WeakMap in Ractors ractor 08/15/2026 01:18 AM Actions 22105 Ruby Bug Open Cannot initialize a WeakRef in a Ractor ractor 07/28/2026 08:41 AM Actions 22102 Ruby Feature Open C API to obtain a C string from a Ruby String 07/07/2026 09:29 PM Actions