ruby

## What's Changed * [YJIT: omit single ractor mode assumption for `proc#call` by luke-gruber · Pull Request #15092](https://github.com/ruby/ruby/pull/15092) * [ZJIT: Inline BasicObject#! by tekknolagi · Pull Request #15201](https://github.com/ruby/ruby/pull/15201) * [Bug #21697: `nmake up` will update broken `revision.h` - Ruby - Ruby Issue Tracking System](https://bugs.ruby-lang.org/issues/21697) * [ZJIT: Count all calls to C functions from generated code by tekknolagi · Pull Request #15240](https://github.com/ruby/ruby/pull/15240) * [ZJIT: Add Iongraph compatibility by aidenfoxivey · Pull Request #14999](https://github.com/ruby/ruby/pull/14999) * [Feature #20408: Add heap_live_slots to GC.stat_heap - Ruby - Ruby Issue Tracking System](https://bugs.ruby-lang.org/issues/20408) * [Bug #21375: Set[] does not call #initialize - Ruby - Ruby Issue Tracking System](https://bugs.ruby-lang.org/issues/21375) * [ZJIT: Deduplicate successor and predecessor sets by aidenfoxivey · Pull Request #15263](https://github.com/ruby/ruby/pull/15263) * [[DOC] Tweaks for String#upcase by BurdetteLamar · Pull Request #15244](https://github.com/ruby/ruby/pull/15244) * [Fix multiple bugs in IO::Buffer.map and update its documentation by trinistr · Pull Request #15264](https://github.com/ruby/ruby/pull/15264) * [ZJIT: Inline String#empty? by tekknolagi · Pull Request #15283](https://github.com/ruby/ruby/pull/15283) * [ZJIT: Specialize monomorphic DefinedIvar by tekknolagi · Pull Request #15281](https://github.com/ruby/ruby/pull/15281) * [ZJIT: Inline Thread.current by tekknolagi · Pull Request #15272](https://github.com/ruby/ruby/pull/15272) * [ZJIT: Inline Integer#<< for constant rhs by tekknolagi · Pull Request #15258](https://github.com/ruby/ruby/pull/15258) * [Bug #21705: `UNIXServer.open(nil)` segfaults on Windows - Ruby - Ruby Issue Tracking System](https://bugs.ruby-lang.org/issues/21705) * [Bug #21703: RUBY_CRASH_REPORT does not work when shelling out in some cases - Ruby - Ruby Issue Tracking System](https://bugs.ruby-lang.org/issues/21703) * [Bug #21622: Prism wrongly accepts command call to be a key of keyword argument - Ruby - Ruby Issue Tracking System](https://bugs.ruby-lang.org/issues/21622) * [Revert "Fix stdatomic case in `rbimpl_atomic_u64_fetch_add`" by tekknolagi · Pull Request #15311](https://github.com/ruby/ruby/pull/15311) * [Bug #21694: Crash when looking up super method from BasicObject - Ruby - Ruby Issue Tracking System](https://bugs.ruby-lang.org/issues/21694) * [ZJIT: Specialize setinstancevariable when ivar is already in shape by tekknolagi · Pull Request #15290](https://github.com/ruby/ruby/pull/15290) * [[DOC] Use Aliki as the documentation website theme by st0012 · Pull Request #15319](https://github.com/ruby/ruby/pull/15319) * [Bug #21707: Destructuring assignment of SimpleDelegator wrapped array bug with YJIT - Ruby - Ruby Issue Tracking System](https://bugs.ruby-lang.org/issues/21707) * [Eliminate redundant work and branching when marking T_OBJECT by luke-gruber · Pull Request #15274](https://github.com/ruby/ruby/pull/15274) * [Fix a ractor barrier issue during VM cleanup. by luke-gruber · Pull Request #15091](https://github.com/ruby/ruby/pull/15091) * [ZJIT: Count fallback reasons for set/get/definedivar by tekknolagi · Pull Request #15324](https://github.com/ruby/ruby/pull/15324) * [Fix argument handling in IO::Buffer#each_byte by tmtm · Pull Request #15309](https://github.com/ruby/ruby/pull/15309) * [Reorganize page documentations by st0012 · Pull Request #15154](https://github.com/ruby/ruby/pull/15154) * [[DOC] Remove unneeded filename from rdoc-ref links by st0012 · Pull Request #15339](https://github.com/ruby/ruby/pull/15339) * [Bump RDoc version to 6.16.1 by st0012 · Pull Request #15344](https://github.com/ruby/ruby/pull/15344) * [Bug #21718: TypeError:wrong argument type ... (expected Array) - Ruby - Ruby Issue Tracking System](https://bugs.ruby-lang.org/issues/21718) * [Clean up scheduler during `terminate_atfork_i`. by samuel-williams-shopify · Pull Request #15354](https://github.com/ruby/ruby/pull/15354) * [Add `rb_ec_close` function to manage execution context cleanup. by samuel-williams-shopify · Pull Request #15253](https://github.com/ruby/ruby/pull/15253) * [ZJIT: Optimize variadic cfunc `Send` calls into `CCallVariadic` by st0012 · Pull Request #14898](https://github.com/ruby/ruby/pull/14898) * [Speedup RBASIC_FIELDS_COUNT by luke-gruber · Pull Request #15273](https://github.com/ruby/ruby/pull/15273) * [ZJIT: Standardize method dispatch insns' `recv` field by st0012 · Pull Request #15334](https://github.com/ruby/ruby/pull/15334) * [ZJIT: Fix erroneous version number for Iongraph by aidenfoxivey · Pull Request #15357](https://github.com/ruby/ruby/pull/15357) * [Test CC invalidation for singleton classes of objects by luke-gruber · Pull Request #15360](https://github.com/ruby/ruby/pull/15360) * [Cache array length in `rb_ary_join` by luke-gruber · Pull Request #15362](https://github.com/ruby/ruby/pull/15362) * [[DOC] About Float Imprecision by BurdetteLamar · Pull Request #15293](https://github.com/ruby/ruby/pull/15293) * [Bug #21710: Segfault when reading object_id after it is set inside RUBY_INTERNAL_EVENT_NEWOBJ - Ruby - Ruby Issue Tracking System](https://bugs.ruby-lang.org/issues/21710) * [ZJIT: Optimize NewArray to use rb_ec_ary_new_from_values by goshanraj-g · Pull Request #15391](https://github.com/ruby/ruby/pull/15391) * [ZJIT: Inline Kernel#class by tekknolagi · Pull Request #15397](https://github.com/ruby/ruby/pull/15397) * [ZJIT: Optimize setivar with shape transition by tekknolagi · Pull Request #15375](https://github.com/ruby/ruby/pull/15375) * [Bug #21758: Prism fails to parse heredoc within %Q literal split by another heredoc - Ruby - Ruby Issue Tracking System](https://bugs.ruby-lang.org/issues/21758) * [Bug #21764: encoding of warning for depreciated global variables is not set - Ruby - Ruby Issue Tracking System](https://bugs.ruby-lang.org/issues/21764) * [Remove mismatched indentations warning by etiennebarrie · Pull Request #15410](https://github.com/ruby/ruby/pull/15410) * [Take VM lock in `class_switch_superclass` by luke-gruber · Pull Request #15356](https://github.com/ruby/ruby/pull/15356) * [Fix thread scheduler issue with thread_sched_wait_events by luke-gruber · Pull Request #15392](https://github.com/ruby/ruby/pull/15392) * [Update NEWS.md for Ruby 4.0.0 by mame · Pull Request #15369](https://github.com/ruby/ruby/pull/15369) * [Remove fiber scheduler and set fiber to blocking in forked process by noteflakes · Pull Request #15385](https://github.com/ruby/ruby/pull/15385) * [Feature #20750: Allow rb_thread_call_with_gvl to work when thread already has GVL - Ruby - Ruby Issue Tracking System](https://bugs.ruby-lang.org/issues/20750) * [ZJIT: Include local variable names in `Get|SetLocal` insn's print value by st0012 · Pull Request #15423](https://github.com/ruby/ruby/pull/15423) * [Add support for `u128`, `U128`, `s128` and `S128` integers to `IO::Buffer`. by samuel-williams-shopify · Pull Request #15399](https://github.com/ruby/ruby/pull/15399) * [[DOC] Update NEWS about ZJIT by k0kubun · Pull Request #15426](https://github.com/ruby/ruby/pull/15426) * [Fix `io_pwrite` fiber scheduler hook. by samuel-williams-shopify · Pull Request #15428](https://github.com/ruby/ruby/pull/15428) * [Yield to scheduler if interrupts are pending. by ioquatix · Pull Request #14700](https://github.com/ruby/ruby/pull/14700) * [Re-introduce support for `io_close` hook. by samuel-williams-shopify · Pull Request #15434](https://github.com/ruby/ruby/pull/15434) * [Bump RDoc version to 6.17.0 by st0012 · Pull Request #15439](https://github.com/ruby/ruby/pull/15439) * [ZJIT: Avoid redundant SP save in codegen by st0012 · Pull Request #15448](https://github.com/ruby/ruby/pull/15448) * [Update ZJIT docs by tekknolagi · Pull Request #15449](https://github.com/ruby/ruby/pull/15449) * [Remove unused local variables in test/ruby/test_io_buffer.rb by etiennebarrie · Pull Request #15451](https://github.com/ruby/ruby/pull/15451) * [ZJIT: Add codegen for FixnumDiv by dddictionary · Pull Request #15452](https://github.com/ruby/ruby/pull/15452) * [Bug #21771: pg-1.6.2 testsuite segfaults in ruby4.0.0dev - Ruby - Ruby Issue Tracking System](https://bugs.ruby-lang.org/issues/21771) * [ZJIT: Show send fallback reason in HIR dump by rwstauner · Pull Request #15454](https://github.com/ruby/ruby/pull/15454) * [Bug #21757: Splatted args array is mutated when passing unexpected kwargs - Ruby - Ruby Issue Tracking System](https://bugs.ruby-lang.org/issues/21757) * [Bug #21446: StackOverflow when changing visibility in reopened refinement - Ruby - Ruby Issue Tracking System](https://bugs.ruby-lang.org/issues/21446) * [Bug #21374: FrozenError message is inconsistent when a singleton method is defined on a frozen object - Ruby - Ruby Issue Tracking System](https://bugs.ruby-lang.org/issues/21374) * [ZJIT: Add dump to file for --zjit-stats by aidenfoxivey · Pull Request #15414](https://github.com/ruby/ruby/pull/15414) * [Fix typo in thread_pthread.c by yujiteshima · Pull Request #15465](https://github.com/ruby/ruby/pull/15465) * [ZJIT: Prohibit ZJIT support with USE_FLONUM=0 by k0kubun · Pull Request #15471](https://github.com/ruby/ruby/pull/15471) * [Bug #21708: Ruby 3.4 Forwardable: setter delegations trigger SyntaxError from forwardable/impl.rb - Ruby - Ruby Issue Tracking System](https://bugs.ruby-lang.org/issues/21708) * [ZJIT: Check if shape is too complex before reading ivar by index by tekknolagi · Pull Request #15478](https://github.com/ruby/ruby/pull/15478) * [ZJIT: Exclude failing ruby-bench benchmarks by k0kubun · Pull Request #15479](https://github.com/ruby/ruby/pull/15479) * [ubuntu.yml: Add a ruby-bench job without ZJIT by k0kubun · Pull Request #15480](https://github.com/ruby/ruby/pull/15480) * [ZJIT: Use inline format args by alexcrocha · Pull Request #15482](https://github.com/ruby/ruby/pull/15482) * [ZJIT: Fold LoadField on frozen objects to constants by tobi · Pull Request #15483](https://github.com/ruby/ruby/pull/15483) * [ZJIT: Re-compile ISEQs invalidated by PatchPoint by k0kubun · Pull Request #15459](https://github.com/ruby/ruby/pull/15459) * [Feature #21552: allow String.strip and similar to take a parameter similar to String.delete - Ruby - Ruby Issue Tracking System](https://bugs.ruby-lang.org/issues/21552) * [Bug #21712: Prism and parse.y inconsistency in command call with block and `.()` - Ruby - Ruby Issue Tracking System](https://bugs.ruby-lang.org/issues/21712) * [Bug #19558: str.dump.undump crashes when str contains both Unicode and ASCII control characters - Ruby - Ruby Issue Tracking System](https://bugs.ruby-lang.org/issues/19558) * [Fix Set#^ to not mutate its argument by gildesmarais · Pull Request #15296](https://github.com/ruby/ruby/pull/15296) * [Stop bumping RUBY_PATCHLEVEL in release versions by k0kubun · Pull Request #15502](https://github.com/ruby/ruby/pull/15502) * [ZJIT: Check method visibility when optimizing sends by tekknolagi · Pull Request #15501](https://github.com/ruby/ruby/pull/15501) * [make-snapshot: Update the tag format for Ruby 4.0+ by k0kubun · Pull Request #15514](https://github.com/ruby/ruby/pull/15514) * [ZJIT: Don't specialize calls with kwsplat by rwstauner · Pull Request #15513](https://github.com/ruby/ruby/pull/15513) * [Bug #21776: Binding#local_variable_defined? still supports numbered parameters - Ruby - Ruby Issue Tracking System](https://bugs.ruby-lang.org/issues/21776) * [Avoid race condition in `test_without_handle_interrupt_signal_works`. by ioquatix · Pull Request #15504](https://github.com/ruby/ruby/pull/15504) * [Bug #21049: Reconsider handling of the numbered parameters and "it" parameter in `Binding#local_variables` - Ruby - Ruby Issue Tracking System](https://bugs.ruby-lang.org/issues/21049) * [Fix binding.implicit_parameters_get/defined segfault when wrong name string is passed by tompng · Pull Request #15530](https://github.com/ruby/ruby/pull/15530) * [ZJIT: Add Shape type to HIR by tekknolagi · Pull Request #15528](https://github.com/ruby/ruby/pull/15528) * [Feature #21678: Enumerable#rfind - Ruby - Ruby Issue Tracking System](https://bugs.ruby-lang.org/issues/21678) * [move th->event_serial to rb_thread_sched_item by luke-gruber · Pull Request #15500](https://github.com/ruby/ruby/pull/15500) * [Bug #21775: Procs of type ifunc can access unshareable values - Ruby - Ruby Issue Tracking System](https://bugs.ruby-lang.org/issues/21775) * [Fewer calls to `GET_EC()` and `GET_THREAD()` by luke-gruber · Pull Request #15506](https://github.com/ruby/ruby/pull/15506) * [Bug #21772: ruby: YJIT has panicked StackOpnd(1) should be a heap object, but was ImmSymbol for VALUE(137647867319760) - Ruby - Ruby Issue Tracking System](https://bugs.ruby-lang.org/issues/21772) * [ZJIT: Allow ccalls above 7 arguments by aidenfoxivey · Pull Request #15312](https://github.com/ruby/ruby/pull/15312) * [ZJIT: Nil-fill locals in direct send by rwstauner · Pull Request #15536](https://github.com/ruby/ruby/pull/15536) * [Feature #21701: Enumerator.produce accepts an optional `size` keyword argument - Ruby - Ruby Issue Tracking System](https://bugs.ruby-lang.org/issues/21701) * [Feature #20925: Allow boolean operators at beginning of line to continue previous line - Ruby - Ruby Issue Tracking System](https://bugs.ruby-lang.org/issues/20925) * [Bug #21779: Do not export functions from statically linked extensions - Ruby - Ruby Issue Tracking System](https://bugs.ruby-lang.org/issues/21779) * [Fix Socket.tcp cleanup after Thread#kill by luke-gruber · Pull Request #15131](https://github.com/ruby/ruby/pull/15131) * [ZJIT: Add iongraph-generating Ruby script by tekknolagi · Pull Request #15466](https://github.com/ruby/ruby/pull/15466) * [Point people to redmine on ZJIT docs by tekknolagi · Pull Request #15499](https://github.com/ruby/ruby/pull/15499) * [Bug #21266: YJIT GC safety crash with proc objects as block argument - Ruby - Ruby Issue Tracking System](https://bugs.ruby-lang.org/issues/21266) * [Feature #6012: Proc#source_location also return the column - Ruby - Ruby Issue Tracking System](https://bugs.ruby-lang.org/issues/6012) * [Fix: Do not pass negative timeout to Addrinfo#connect_internal by shioimm · Pull Request #15578](https://github.com/ruby/ruby/pull/15578) * [Add the class variable and the class itself in Ractor::IsolationError by etiennebarrie · Pull Request #15562](https://github.com/ruby/ruby/pull/15562) * [Add the instance variable name and the module in Ractor::IsolationError by etiennebarrie · Pull Request #15563](https://github.com/ruby/ruby/pull/15563) * [Bug #21715: Miscompilation on x86-64-v2 due to undefined behavior in search_nonascii in string.c - Ruby - Ruby Issue Tracking System](https://bugs.ruby-lang.org/issues/21715) * [Bug #19112: Ractor garbage collection breaks/disables all active tracepoints - Ruby - Ruby Issue Tracking System](https://bugs.ruby-lang.org/issues/19112) * [Bug #21782: Ractor::IsolationError reports incorrect path for constants found through upwards search - Ruby - Ruby Issue Tracking System](https://bugs.ruby-lang.org/issues/21782) * [Fix: Recalculate the timeout duration considering `open_timeout` by shioimm · Pull Request #15596](https://github.com/ruby/ruby/pull/15596) * [Bug #21787: `IO::Buffer` Integer Overflow in Range Validation Leads to Out-of-Bounds Memory Access - Ruby - Ruby Issue Tracking System](https://bugs.ruby-lang.org/issues/21787) * [`Socket.tcp` and `TCPSocket.new` raises `IO::TiemoutError` with user specified timeout by shioimm · Pull Request #15602](https://github.com/ruby/ruby/pull/15602) * [Add host information to timeout error messages in `TCPSocket.new` and `Socket.tcp` by shioimm · Pull Request #15582](https://github.com/ruby/ruby/pull/15582) * [Bug #21780: Change the default size of Enumerator.produce back to infinity - Ruby - Ruby Issue Tracking System](https://bugs.ruby-lang.org/issues/21780) * [Update NEWS.md for Socket by shioimm · Pull Request #15608](https://github.com/ruby/ruby/pull/15608) * [Improve NEWS.md for Socket by shioimm · Pull Request #15610](https://github.com/ruby/ruby/pull/15610) * [ObjectSpace.{dump,dump_all,dump_shapes} needs vm barrier. by luke-gruber · Pull Request #15569](https://github.com/ruby/ruby/pull/15569) * [Update bundled bigdecimal and rbs by tompng · Pull Request #15611](https://github.com/ruby/ruby/pull/15611) * [[DOC] Small changes to docs for ObjectSpace#each_object by luke-gruber · Pull Request #15564](https://github.com/ruby/ruby/pull/15564) * [Adjust Set documentation by zverok · Pull Request #15547](https://github.com/ruby/ruby/pull/15547) Note: This list is automatically generated by tool/gen-github-release.rb. Because of this, some commits may be missing. ## Full Changelog https://github.com/ruby/ruby/compare/v4.0.0-preview2...v4.0.0-preview3

ruby

4.0.0-preview3

What's Changed

More Ruby Projects

rails

maybe

fastlane

postal