April 2025 - ruby-core - ml.ruby-lang.org

[ruby-core:121712] [Ruby Feature#15408] Deprecate object_id and _id2ref
by byroot (Jean Boussier) 23 Apr '25

23 Apr '25

Issue #15408 has been updated by byroot (Jean Boussier). I opened a PR to finally deprecated `ObjectSpace._id2ref`: https://github.com/ruby/ruby/pull/13157 ---------------------------------------- Feature #15408: Deprecate object_id and _id2ref https://bugs.ruby-lang.org/issues/15408#change-112765 * Author: headius (Charles Nutter) * Status: Assigned * Assignee: headius (Charles Nutter) ---------------------------------------- Ruby currently provides the object_id method to get a "identifier" for a given object. According to the documentation, this ID is the same for every object_id call against a given object, and guaranteed not to be the same as any other active (i.e. alive) object. However, no guarantee is made about the ID being reused for a future object after the original has been garbage collected. As a result, object_id can't be used to uniquely identify any object that might be garbage collected, since that ID may be associated with a completely different object in the future. Ruby also provides a method to go from an object_id to the object reference itself: ObjectSpace._id2ref. This method has been in Ruby for decades and is often used to implement a weak hashmap from ID to reference, since holding the ID will not keep the object alive. However due to the problems with object_id not actually being unique, it's possible for _id2ref to return a different object than originally had that ID as object slots are reused in the heap. The only way to implement object_id safely (with idempotency guarantees) would be to assign to all objects a monotonically-increasing ID. Alternatively, this ID could be assigned lazily only for those objects on which the code calls object_id. JRuby implements object_id in this way currently. The only way to implement _id2ref safely would be to have a mapping in memory from those monotonically-increasing IDs to the actual objects. This would have to be a weak mapping to prevent the objects from being garbage collected. JRuby currently only supports _id2ref via a flag, since the additional overhead of weakly tracking every requested object_id is extremely high. An alternative for MRI would be to implement _id2ref as a heap scan, as it is implemented in Rubinius. This would make it entirely unpractical due to the cost of scanning the heap for every ID lookup. I propose that both methods should immediately be deprecated for removal in Ruby 3.0. * They do not do what people expect. * They cannot reliably do what they claim to do. * They eventually lead to difficult-to-diagnose bugs in every possible use case. Put simply, both methods have always been broken in MRI and making them unbroken would render them useless. -- https://bugs.ruby-lang.org/

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[ruby-core:121696] [Ruby Bug#21276] Regression segfault instead of exception `require': cannot load such file
by wsfulton (William Fulton) 22 Apr '25

22 Apr '25

Issue #21276 has been reported by wsfulton (William Fulton). ---------------------------------------- Bug #21276: Regression segfault instead of exception `require': cannot load such file https://bugs.ruby-lang.org/issues/21276 * Author: wsfulton (William Fulton) * Status: Open * Backport: 3.2: UNKNOWN, 3.3: UNKNOWN, 3.4: UNKNOWN ---------------------------------------- A segfault occurs instead of a Ruby exception in one or the test cases we have in SWIG. I've run a git bisect on the 3.2 releases to identify commit 2aaa9af75989bb0993a44e9690ed2ca890b2ff91 for when the segfault begins: commit 2aaa9af75989bb0993a44e9690ed2ca890b2ff91 Author: nagachika <nagachika(a)ruby-lang.org> Date: Thu Nov 9 17:36:42 2023 +0900 merge revision(s) 4329554f171fdb483cafa672df5f2a08741940c5,b5c74d548872388921402ff2db36be15e924a89b: [Backport #19985] [Bug #19985] Raise LoadError with the converted feature name `Kernel#require` converts feature name objects that have the `to_path` method such as `Pathname`, but had used the original object on error and had resulted in an unexpected `TypeError`. --- load.c | 14 +++++++++++--- test/ruby/test_require.rb | 26 +++++++++++++++++++++----- 2 files changed, 32 insertions(+), 8 deletions(-) Ease the `Encoding::CompatibilityError` test failure At the time this test first started using `assert_raise_with_message`, it did not touch `Encoding.default_internal`. --- test/ruby/test_require.rb | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) So, ruby-3.2.2 is okay and 3.2.3 has the regression. Still present with ruby-3.2.8. I'll provide two ways to replicate. 1. Using SWIG built from source: 1a. clone SWIG from github and build SWIG using steps 1. and 2. from https://swig.org/svn.html. Note that you can specify a custom build of ruby to use with: ./configure --with-ruby=/my-path-to-ruby-installation/bin/ruby 1b. cd Examples/test-suite/ruby 1c. make import_fragments.cpptest CXXFLAGS=-g This is my output using ruby version 3.2.3 (ruby git tag v3_2_3): ~/swig/github/wsfulton/swig/Examples/test-suite/ruby (master >)$ make import_fragments.cpptest CXXFLAGS=-g if [ -f ./import_fragments_runme.rb ]; then echo "checking ruby testcase import_fragments (with run test)" ; else echo "checking ruby testcase import_fragments" ; fi checking ruby testcase import_fragments (with run test) make -f ../../../Examples/Makefile SRCDIR='./' CXXSRCS='' SWIG_LIB_DIR='../../../Lib' SWIGEXE='../../../swig' INCLUDES='-I../../../Examples/test-suite' SWIGOPT='-outcurrentdir -I../../../Examples/test-suite -w801 -noautorename -features autodoc=4 -Werror' NOLINK=true TARGET='import_fragments' INTERFACEDIR='../' INTERFACE='import_fragments.i' ruby_cpp make[1]: Entering directory '/home/william/swig/github/wsfulton/swig/Examples/test-suite/ruby' env SWIG_LIB=../../../Lib ../../../swig -c++ -ruby -outcurrentdir -I../../../Examples/test-suite -w801 -noautorename -features autodoc=4 -Werror -o import_fragments_wrap.cxx ./../import_fragments.i g++ -c -fPIC -I. -I./ -g -fPIC import_fragments_wrap.cxx -I../../../Examples/test-suite -I/home/william/install/ruby-3_2_3-debug/include/ruby-3.2.0 -I/home/william/install/ruby-3_2_3-debug/include/ruby-3.2.0/x86_64-linux g++ -shared -g import_fragments_wrap.o -o import_fragments.so make[1]: Leaving directory '/home/william/swig/github/wsfulton/swig/Examples/test-suite/ruby' if [ -f ./import_fragments_runme.rb ]; then env LD_LIBRARY_PATH=.:$LD_LIBRARY_PATH /home/william/install/ruby-3_2_3-debug/bin/ruby -I.:. ./import_fragments_runme.rb; elif [ -f ./import_fragments.so ] ; then env LD_LIBRARY_PATH=.:$LD_LIBRARY_PATH /home/william/install/ruby-3_2_3-debug/bin/ruby -I.:. -r./import_fragments.so -e '' ; fi <internal:/home/william/install/ruby-3_2_3-debug/lib/ruby/3.2.0/rubygems/core_ext/kernel_require.rb>:151: [BUG] Segmentation fault at 0x000000000000000a ruby 3.2.3 (2024-01-18 revision 52bb2ac0a6) [x86_64-linux] -- Control frame information ----------------------------------------------- c:0004 p:0018 s:0029 e:000026 RESCUE <internal:/home/william/install/ruby-3_2_3-debug/lib/ruby/3.2.0/rubygems/core_ext/kernel_require.rb>:151 c:0003 p:0275 s:0023 e:000022 METHOD <internal:/home/william/install/ruby-3_2_3-debug/lib/ruby/3.2.0/rubygems/core_ext/kernel_require.rb>:40 c:0002 p:0014 s:0008 E:002010 EVAL ./import_fragments_runme.rb:15 [FINISH] c:0001 p:0000 s:0003 E:000bf0 DUMMY [FINISH] -- Ruby level backtrace information ---------------------------------------- ./import_fragments_runme.rb:15:in `<main>' <internal:/home/william/install/ruby-3_2_3-debug/lib/ruby/3.2.0/rubygems/core_ext/kernel_require.rb>:40:in `require' <internal:/home/william/install/ruby-3_2_3-debug/lib/ruby/3.2.0/rubygems/core_ext/kernel_require.rb>:151:in `rescue in require' -- Machine register context ------------------------------------------------ RIP: 0x000057fa8949081d RBP: 0x00007ffdd0182518 RSP: 0x00007ffdd0182518 RAX: 0x000000000000000a RBX: 0x000057fa94261250 RCX: 0x000000000000008c RDX: 0x000000000000008c RDI: 0x000000000000000a RSI: 0x000000000000008c R8: 0x0000000000000845 R9: 0x0000000000000020 R10: 0x000057fa94071fc0 R11: 0x0000000000000040 R12: 0x0000000000000003 R13: 0x0000000000000000 R14: 0x000057fa94261260 R15: 0x00007b246ad86f10 EFL: 0x0000000000010283 -- C level backtrace information ------------------------------------------- /home/william/install/ruby-3_2_3-debug/bin/ruby(rb_print_backtrace+0x20) [0x57fa8950f75c] ../vm_dump.c:785 /home/william/install/ruby-3_2_3-debug/bin/ruby(rb_vm_bugreport+0x198) [0x57fa8950fd07] ../vm_dump.c:1080 /home/william/install/ruby-3_2_3-debug/bin/ruby(rb_bug_for_fatal_signal+0x12c) [0x57fa895b3000] /home/william/install/ruby-3_2_3-debug/bin/ruby(sigsegv+0x74) [0x57fa8945b1be] ../signal.c:964 /home/william/install/ruby-3_2_3-debug/bin/ruby(sigill) (null):0 /lib/x86_64-linux-gnu/libc.so.6(0x7b246aa45330) [0x7b246aa45330] /home/william/install/ruby-3_2_3-debug/bin/ruby(hash_table_index+0x13) [0x57fa8949081d] ../id_table.c:132 /home/william/install/ruby-3_2_3-debug/bin/ruby(rb_id_table_lookup+0x38) [0x57fa89490bb5] ../id_table.c:230 /home/william/install/ruby-3_2_3-debug/bin/ruby(vm_search_cc+0x6e) [0x57fa894db233] ../vm_insnhelper.c:1988 /home/william/install/ruby-3_2_3-debug/bin/ruby(rb_vm_search_method_slowpath+0x51) [0x57fa894db4b3] ../vm_insnhelper.c:2084 /home/william/install/ruby-3_2_3-debug/bin/ruby(vm_search_method_slowpath0+0x2e) [0x57fa894db51a] ../vm_insnhelper.c:2106 /home/william/install/ruby-3_2_3-debug/bin/ruby(vm_search_method_fastpath+0x66) [0x57fa894db614] ../vm_insnhelper.c:2172 /home/william/install/ruby-3_2_3-debug/bin/ruby(vm_search_method) ../vm_insnhelper.c:2182 /home/william/install/ruby-3_2_3-debug/bin/ruby(vm_method_cfunc_is+0x2f) [0x57fa894db693] ../vm_insnhelper.c:2237 /home/william/install/ruby-3_2_3-debug/bin/ruby(opt_equality+0x6a) [0x57fa894db990] ../vm_insnhelper.c:2324 /home/william/install/ruby-3_2_3-debug/bin/ruby(vm_exec_core+0x5983) [0x57fa894efa06] ../insns.def:1174 /home/william/install/ruby-3_2_3-debug/bin/ruby(rb_vm_exec+0x1a8) [0x57fa8950499c] ../vm.c:2383 /home/william/install/ruby-3_2_3-debug/bin/ruby(rb_iseq_eval_main+0x42) [0x57fa89505731] ../vm.c:2633 /home/william/install/ruby-3_2_3-debug/bin/ruby(rb_ec_exec_node+0x125) [0x57fa892deeb9] ../eval.c:289 /home/william/install/ruby-3_2_3-debug/bin/ruby(ruby_run_node+0x96) [0x57fa892df026] ../eval.c:330 /home/william/install/ruby-3_2_3-debug/bin/ruby(rb_main+0x4c) [0x57fa892da455] ../main.c:38 /home/william/install/ruby-3_2_3-debug/bin/ruby(main+0x62) [0x57fa892da4cd] ../main.c:57 -- Other runtime information ----------------------------------------------- * Loaded script: ./import_fragments_runme.rb * Loaded features: 0 enumerator.so 1 thread.rb 2 fiber.so 3 rational.so 4 complex.so 5 ruby2_keywords.rb 6 /home/william/install/ruby-3_2_3-debug/lib/ruby/3.2.0/x86_64-linux/enc/encdb.so 7 /home/william/install/ruby-3_2_3-debug/lib/ruby/3.2.0/x86_64-linux/enc/trans/transdb.so 8 /home/william/install/ruby-3_2_3-debug/lib/ruby/3.2.0/x86_64-linux/rbconfig.rb 9 /home/william/install/ruby-3_2_3-debug/lib/ruby/3.2.0/rubygems/compatibility.rb 10 /home/william/install/ruby-3_2_3-debug/lib/ruby/3.2.0/rubygems/defaults.rb 11 /home/william/install/ruby-3_2_3-debug/lib/ruby/3.2.0/rubygems/deprecate.rb 12 /home/william/install/ruby-3_2_3-debug/lib/ruby/3.2.0/rubygems/errors.rb 13 /home/william/install/ruby-3_2_3-debug/lib/ruby/3.2.0/rubygems/unknown_command_spell_checker.rb 14 /home/william/install/ruby-3_2_3-debug/lib/ruby/3.2.0/rubygems/exceptions.rb 15 /home/william/install/ruby-3_2_3-debug/lib/ruby/3.2.0/rubygems/basic_specification.rb 16 /home/william/install/ruby-3_2_3-debug/lib/ruby/3.2.0/rubygems/stub_specification.rb 17 /home/william/install/ruby-3_2_3-debug/lib/ruby/3.2.0/rubygems/platform.rb 18 /home/william/install/ruby-3_2_3-debug/lib/ruby/3.2.0/rubygems/util/list.rb 19 /home/william/install/ruby-3_2_3-debug/lib/ruby/3.2.0/rubygems/version.rb 20 /home/william/install/ruby-3_2_3-debug/lib/ruby/3.2.0/rubygems/requirement.rb 21 /home/william/install/ruby-3_2_3-debug/lib/ruby/3.2.0/rubygems/specification.rb 22 /home/william/install/ruby-3_2_3-debug/lib/ruby/3.2.0/rubygems/util.rb 23 /home/william/install/ruby-3_2_3-debug/lib/ruby/3.2.0/rubygems/core_ext/kernel_gem.rb 24 /home/william/install/ruby-3_2_3-debug/lib/ruby/3.2.0/x86_64-linux/monitor.so 25 /home/william/install/ruby-3_2_3-debug/lib/ruby/3.2.0/monitor.rb 26 /home/william/install/ruby-3_2_3-debug/lib/ruby/3.2.0/rubygems.rb 27 /home/william/install/ruby-3_2_3-debug/lib/ruby/3.2.0/error_highlight/version.rb 28 /home/william/install/ruby-3_2_3-debug/lib/ruby/3.2.0/error_highlight/base.rb 29 /home/william/install/ruby-3_2_3-debug/lib/ruby/3.2.0/error_highlight/formatter.rb 30 /home/william/install/ruby-3_2_3-debug/lib/ruby/3.2.0/error_highlight/core_ext.rb 31 /home/william/install/ruby-3_2_3-debug/lib/ruby/3.2.0/error_highlight.rb 32 /home/william/install/ruby-3_2_3-debug/lib/ruby/3.2.0/did_you_mean/version.rb 33 /home/william/install/ruby-3_2_3-debug/lib/ruby/3.2.0/did_you_mean/core_ext/name_error.rb 34 /home/william/install/ruby-3_2_3-debug/lib/ruby/3.2.0/did_you_mean/levenshtein.rb 35 /home/william/install/ruby-3_2_3-debug/lib/ruby/3.2.0/did_you_mean/jaro_winkler.rb 36 /home/william/install/ruby-3_2_3-debug/lib/ruby/3.2.0/did_you_mean/spell_checker.rb 37 /home/william/install/ruby-3_2_3-debug/lib/ruby/3.2.0/did_you_mean/spell_checkers/name_error_checkers/class_name_checker.rb 38 /home/william/install/ruby-3_2_3-debug/lib/ruby/3.2.0/did_you_mean/spell_checkers/name_error_checkers/variable_name_checker.rb 39 /home/william/install/ruby-3_2_3-debug/lib/ruby/3.2.0/did_you_mean/spell_checkers/name_error_checkers.rb 40 /home/william/install/ruby-3_2_3-debug/lib/ruby/3.2.0/did_you_mean/spell_checkers/method_name_checker.rb 41 /home/william/install/ruby-3_2_3-debug/lib/ruby/3.2.0/did_you_mean/spell_checkers/key_error_checker.rb 42 /home/william/install/ruby-3_2_3-debug/lib/ruby/3.2.0/did_you_mean/spell_checkers/null_checker.rb 43 /home/william/install/ruby-3_2_3-debug/lib/ruby/3.2.0/did_you_mean/tree_spell_checker.rb 44 /home/william/install/ruby-3_2_3-debug/lib/ruby/3.2.0/did_you_mean/spell_checkers/require_path_checker.rb 45 /home/william/install/ruby-3_2_3-debug/lib/ruby/3.2.0/did_you_mean/spell_checkers/pattern_key_name_checker.rb 46 /home/william/install/ruby-3_2_3-debug/lib/ruby/3.2.0/did_you_mean/formatter.rb 47 /home/william/install/ruby-3_2_3-debug/lib/ruby/3.2.0/did_you_mean.rb 48 /home/william/install/ruby-3_2_3-debug/lib/ruby/3.2.0/syntax_suggest/core_ext.rb 49 /home/william/swig/github/wsfulton/swig/Examples/test-suite/ruby/swig_assert.rb * Process memory map: 57fa892aa000-57fa892d9000 r--p 00000000 103:06 30818930 /home/william/install/ruby-3_2_3-debug/bin/ruby 57fa892d9000-57fa895c5000 r-xp 0002f000 103:06 30818930 /home/william/install/ruby-3_2_3-debug/bin/ruby 57fa895c5000-57fa8974e000 r--p 0031b000 103:06 30818930 /home/william/install/ruby-3_2_3-debug/bin/ruby 57fa8974e000-57fa89757000 r--p 004a4000 103:06 30818930 /home/william/install/ruby-3_2_3-debug/bin/ruby 57fa89757000-57fa89758000 rw-p 004ad000 103:06 30818930 /home/william/install/ruby-3_2_3-debug/bin/ruby 57fa89758000-57fa8976d000 rw-p 00000000 00:00 0 57fa94047000-57fa9435c000 rw-p 00000000 00:00 0 [heap] 7b2464200000-7b2464407000 r--s 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/usr/lib/x86_64-linux-gnu/gconv/gconv-modules.cache 7b246af6e000-7b246af70000 rw-p 00000000 00:00 0 7b246af70000-7b246af74000 r--p 00000000 00:00 0 [vvar] 7b246af74000-7b246af76000 r-xp 00000000 00:00 0 [vdso] 7b246af76000-7b246af77000 r--p 00000000 103:04 407739 /usr/lib/x86_64-linux-gnu/ld-linux-x86-64.so.2 7b246af77000-7b246afa2000 r-xp 00001000 103:04 407739 /usr/lib/x86_64-linux-gnu/ld-linux-x86-64.so.2 7b246afa2000-7b246afac000 r--p 0002c000 103:04 407739 /usr/lib/x86_64-linux-gnu/ld-linux-x86-64.so.2 7b246afac000-7b246afae000 r--p 00036000 103:04 407739 /usr/lib/x86_64-linux-gnu/ld-linux-x86-64.so.2 7b246afae000-7b246afb0000 rw-p 00038000 103:04 407739 /usr/lib/x86_64-linux-gnu/ld-linux-x86-64.so.2 7ffdcf987000-7ffdd0186000 rw-p 00000000 00:00 0 [stack] ffffffffff600000-ffffffffff601000 --xp 00000000 00:00 0 [vsyscall] Aborted (core dumped) make: *** [Makefile:82: import_fragments.cpptest] Error 134 2. Using attached tarball 2a. tar -xf ruby-crash-.tar.bz2 2b. cd ruby-crash 2c. Adjust RUBY_ROOT in Makefile to your Ruby installation 2c. make ---Files-------------------------------- ruby-crash.tar.bz2 (21 KB) -- https://bugs.ruby-lang.org/

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[ruby-core:121699] [Ruby Feature#21277] Windows ARM support
by hsbt (Hiroshi SHIBATA) 21 Apr '25

21 Apr '25

Issue #21277 has been reported by hsbt (Hiroshi SHIBATA). ---------------------------------------- Feature #21277: Windows ARM support https://bugs.ruby-lang.org/issues/21277 * Author: hsbt (Hiroshi SHIBATA) * Status: Open * Assignee: hsbt (Hiroshi SHIBATA) ---------------------------------------- I added the new CI job for Windows ARM support. * https://github.blog/changelog/2025-04-14-windows-arm64-hosted-runners-now-a… * https://github.com/ruby/ruby/pull/13118 We could build Ruby with Windows ARM platform. But `nmake check` is not working yet. I'm tracking that issues on this ticket. ## Can't generate `revision.h` `windows-11-arm` runner couldn't generate `revision.h` with `ruby tool/file2lastrev.rb --revision.h --output=revision.h`. I tried that with git provided by `scoop`. But that is also not working. I confirmed to work `git rev-parse HEAD` directly with `pwsh` of GitHub Actions. But `tool/file2lastrev.rb` returns the followings: ``` Run ruby tool/file2lastrev.rb --revision.h --output=revision.h file2lastrev.rb: git rev-parse failed fatal: unable to access 'NUL': Invalid argument ``` ## `nmake check` is not working https://github.com/ruby/ruby/actions/runs/14564201209/job/40851166866 ``` running file: C:/a/ruby/ruby/src/test/rubygems/test_gem_resolver_index_set.rb A test worker crashed. It might be an interpreter bug or a bug in test/unit/parallel.rb. Try again without the -j option. ``` https://github.com/ruby/ruby/actions/runs/14564667517/job/40852193517 ``` NMAKE : fatal error U1077: '@ .\ruby.exe -I../src/lib -I".ext/arm64-mswin64_140" -I. "../src/tool/runruby.rb" --extout=".ext" -- --disable-gems -r./arm64-mswin64_140-fake -r../src/tool/lib/_tmpdir ../src/spec/mspec/bin/mspec run -B ../src/spec/default.mspec ' : return code '0xc0000005' Stop. ``` They may be caused by Visual Studio 2022 issue same as #21255. -- https://bugs.ruby-lang.org/

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[ruby-core:121698] [Ruby Feature#3388] regexp support for start_with? and end_with?
by Eregon (Benoit Daloze) 21 Apr '25

21 Apr '25

Issue #3388 has been updated by Eregon (Benoit Daloze). `end_with?(/regex/)` if it recreates a Regexp on every call would be extremely slow. Languages with such APIs have learned the hard way it's a mistake to expose such APIs creating a Regexp behind the scenes. One thing that could work is to lazily create and cache inside a Regexp object a variant of it with \z for this purpose. But it would likely increase footprint. ---------------------------------------- Feature #3388: regexp support for start_with? and end_with? https://bugs.ruby-lang.org/issues/3388#change-112750 * Author: trans (Thomas Sawyer) * Status: Feedback * Assignee: naruse (Yui NARUSE) ---------------------------------------- =begin ruby-1.9.2-head > "aBcdeFghIj".start_with?(/abc/i) => false In my implementation of start_with? it is easy enough to utilize #index, which works fine: def start_with?(pattern) index(pattern) == 0 end But #end_with? is more difficult, and I had to use regular expressions. def end_with?(suffix) suffix = Regexp.escape(suffix) if String===suffix /#{suffix}$/.match(self) ? true : false end However, we might get rid of the '? true : false' and return the MatchData, since that could be useful information. =end ---Files-------------------------------- 0001-string.c-rb_str_start_with-rb_str_end_with-allow-Reg.patch (4.08 KB) -- https://bugs.ruby-lang.org/

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[ruby-core:121413] [Ruby Bug#21193] Inherited callback returns `nil` for `Object.const_source_location`
by eileencodes (Eileen Uchitelle) 20 Apr '25

20 Apr '25

Issue #21193 has been reported by eileencodes (Eileen Uchitelle). ---------------------------------------- Bug #21193: Inherited callback returns `nil` for `Object.const_source_location` https://bugs.ruby-lang.org/issues/21193 * Author: eileencodes (Eileen Uchitelle) * Status: Open * Backport: 3.1: UNKNOWN, 3.2: UNKNOWN, 3.3: UNKNOWN, 3.4: UNKNOWN ---------------------------------------- Since https://github.com/ruby/ruby/pull/12927 the inherited callback no longer can access the `Object.const_source_location`. A simplified reproduction is the following: ```ruby class A def self.inherited(other) super p Object.const_source_location(other.name) end end class B < A end ``` Prior to this change `Object.const_source_location(other.name)` would return `["test.rb", 8]` and now returns `nil`. Shopify's application uses the `inherited` callback to load configuration classes and since it's unable to find these classes they aren't loaded when they are called. It's not clear if this was intended or if there's a workaround. In chatting with folks at GitHub, they have a similar issue (although that case sounds less straightforward). A more accurate example of what we have (I did strip this down a bunch too): ```ruby def self.inherited(config) return super unless config.superclass == Config if (class_name = config.name) && (config_location = Object.const_source_location(class_name)) && (parent_dirname = File.dirname(config_location[0])) config_dirname = File.join(parent_dirname, "config") config.autoload(:Something, File.join(config_dirname, "something.rb")) end super end ``` Original issue: https://bugs.ruby-lang.org/issues/21143 cc/ @byroot @fxn -- https://bugs.ruby-lang.org/

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[ruby-core:121685] [Ruby Bug#21273] regression on 3.1.7 vs 3.1.2
by rouca (Bastien Roucaries) 20 Apr '25

20 Apr '25

Issue #21273 has been reported by rouca (Bastien Roucaries). ---------------------------------------- Bug #21273: regression on 3.1.7 vs 3.1.2 https://bugs.ruby-lang.org/issues/21273 * Author: rouca (Bastien Roucaries) * Status: Open * Backport: 3.2: UNKNOWN, 3.3: UNKNOWN, 3.4: UNKNOWN ---------------------------------------- Hi, On debian we wish to package the last 3.1 version before EOL unfortunaltly it regress see https://salsa.debian.org/ruby-team/ruby/-/jobs/7430073#L7376 We are clue less could we get some help ? -- https://bugs.ruby-lang.org/

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[ruby-core:121692] [Ruby Feature#3388] regexp support for start_with? and end_with?
by baweaver (Brandon Weaver) 20 Apr '25

20 Apr '25

Issue #3388 has been updated by baweaver (Brandon Weaver). I have admittedly found this confusing recently when I had attempted to use `end_with?(/regex/)` in a book example. Would it be acceptable to consider a non-ideal implementation of this feature, and then continue to optimize it in future releases? I believe the potential confusion relative to its dual method `start_with?` warrants some consideration of consistency in implementation here, even if not enough distinct cases exist exclusively for `end_with?` and regular expressions. ---------------------------------------- Feature #3388: regexp support for start_with? and end_with? https://bugs.ruby-lang.org/issues/3388#change-112743 * Author: trans (Thomas Sawyer) * Status: Feedback * Assignee: naruse (Yui NARUSE) ---------------------------------------- =begin ruby-1.9.2-head > "aBcdeFghIj".start_with?(/abc/i) => false In my implementation of start_with? it is easy enough to utilize #index, which works fine: def start_with?(pattern) index(pattern) == 0 end But #end_with? is more difficult, and I had to use regular expressions. def end_with?(suffix) suffix = Regexp.escape(suffix) if String===suffix /#{suffix}$/.match(self) ? true : false end However, we might get rid of the '? true : false' and return the MatchData, since that could be useful information. =end ---Files-------------------------------- 0001-string.c-rb_str_start_with-rb_str_end_with-allow-Reg.patch (4.08 KB) -- https://bugs.ruby-lang.org/

1 0

[ruby-core:121688] [Ruby Feature#21275] Update to Unicode 17.0
by duerst 19 Apr '25

19 Apr '25

Issue #21275 has been reported by duerst (Martin Dürst). ---------------------------------------- Feature #21275: Update to Unicode 17.0 https://bugs.ruby-lang.org/issues/21275 * Author: duerst (Martin Dürst) * Status: Open * Assignee: duerst (Martin Dürst) * Target version: 3.5 ---------------------------------------- Unicode 17.0 is currently in alpha. Beta is planned for late May, release for September 2025. We just updated to Unicode 16.0, so we can start testing with alpha/beta. -- https://bugs.ruby-lang.org/

1 0

[ruby-core:111526] [Ruby master Bug#19288] Ractor JSON parsing significantly slower than linear parsing
by maciej.mensfeld (Maciej Mensfeld) 18 Apr '25

18 Apr '25

Issue #19288 has been reported by maciej.mensfeld (Maciej Mensfeld). ---------------------------------------- Bug #19288: Ractor JSON parsing significantly slower than linear parsing https://bugs.ruby-lang.org/issues/19288 * Author: maciej.mensfeld (Maciej Mensfeld) * Status: Open * Priority: Normal * ruby -v: ruby 3.2.0 (2022-12-25 revision a528908271) [x86_64-linux] * Backport: 2.7: UNKNOWN, 3.0: UNKNOWN, 3.1: UNKNOWN, 3.2: UNKNOWN ---------------------------------------- a simple benchmark: ```ruby require 'json' require 'benchmark' CONCURRENT = 5 RACTORS = true ELEMENTS = 100_000 data = CONCURRENT.times.map do ELEMENTS.times.map do { rand => rand, rand => rand, rand => rand, rand => rand }.to_json end end ractors = CONCURRENT.times.map do Ractor.new do Ractor.receive.each { JSON.parse(_1) } end end result = Benchmark.measure do if RACTORS CONCURRENT.times do |i| ractors[i].send(data[i], move: false) end ractors.each(&:take) else # Linear without any threads data.each do |piece| piece.each { JSON.parse(_1) } end end end puts result ``` Gives following results on my 8 core machine: ```shell # without ractors: 2.731748 0.003993 2.735741 ( 2.736349) # with ractors 12.580452 5.089802 17.670254 ( 5.209755) ``` I would expect Ractors not to be two times slower on the CPU intense work. -- https://bugs.ruby-lang.org/

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[ruby-core:121672] [Ruby Feature#21269] Opt in to raise for modification of chilled strings returned from `Symbol#to_s`
by Earlopain (Earlopain _) 17 Apr '25

17 Apr '25

Issue #21269 has been reported by Earlopain (Earlopain _). ---------------------------------------- Feature #21269: Opt in to raise for modification of chilled strings returned from `Symbol#to_s` https://bugs.ruby-lang.org/issues/21269 * Author: Earlopain (Earlopain _) * Status: Open ---------------------------------------- Ref https://bugs.ruby-lang.org/issues/20350 ```rb begin :foo.to_s << "bar" puts "ok sym" rescue puts "fail sym" end begin "foo" << "bar" puts "ok str" rescue puts "failed str" end ``` Output with `RUBYOPT="--enable=frozen-string-literal -W"`: ``` test.rb:2: warning: string returned by :foo.to_s will be frozen in the future ok sym failed str ``` `--enable=frozen-string-literal` does something for string literals, I would like the same for `Symbol#to_s`. I would suggest simply reusing `--enable=frozen-string-literal` but its name seems very clear about being about string literals, which doesn't really fit for what's going on with symbols here. For convenience, it would be very nice to have just a single switch for this though. -- https://bugs.ruby-lang.org/

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