The JRuby community is pleased to announce the release of JRuby 9.4.2.0. - Homepage: https://www.jruby.org/ - Download: https://www.jruby.org/download JRuby 9.4.x targets Ruby 3.1 compatibility. Thank you to our contributors this release, you help keep JRuby moving forward! @k77ch7, @andsel Ruby Compatibility - __callee__ now properly returns the name under which a method was called, which will be the new name in the case of aliased methods. #2305, #7702 - More use cases for keyword arguments have been fixed to behave correctly and avoid extraneous warnings. #7637, #7645, #7657, #7658, #7670, #7672, #7686 - Array#pack now supports more cases, passing nearly all specs. #7663 - Compatibility with CRuby’s command-line arguments has been improved. #7678, #7680, #7681, #7681, #7683, #7684 Standard Library - irb is updated to 1.4.2. #7690, #7691 - open-uri is updated to 0.3.0. #7701 - io-wait is updated to 0.3.0. #7701 - stringio is updated to 3.0.5. #7701 - strscan is updated to 3.0.6. #7701 - open3 is switched to using the gem at 0.1.2. #7701 Platform Support - Exception backtraces now default to color output when the controlling terminal is a TTY. Disable using -Xbacktrace.color=false or equivalent in .jrubyrc. #7693 Performance - String#split has been optimized to skip regular expression use for simple split expressions. Simple ASCII strings also split faster. #7629 54 Github Issues resolved for 9.4.2.0 #2305 - __callee__ behaves differently from MRI #7477 - Integer#chr(encoding: Encoding::UTF_8) raises a different RangeError exception message than on CRuby #7480 - Cannot call SubClass#initialize_copy with an object created from the super class #7615 - opt != for fixnum in JIT/indy #7629 - Split opts #7637 - 9.4.1.0: Wrong number of arguments with kwargs when subclassing a java class #7639 - Typing @ into irb in 9.4.1.0 crashes it #7641 - “Port already in use” errors when configuring remote JMX in 9.4 #7642 - [9.4.1.0] ArrayIndexOutOfBoundsException #7643 - Use SmartBinder to set up struct calls #7645 - Fixes #7637. Arity error with kwargs when subclassing a java class #7650 - BigDecimal arithmetic regression [jruby-9.4] #7652 - Fix Float#to_d of bigdecimal/util #7653 - Fix Struct#values_at when passed an integer Range argument for edge cases #7655 - JIT coverage fixes #7656 - Regression: Class variables in top level methods broken compared to MRI & 9.3 #7657 - Pattern matching unexpectedly raises “duplicated key name” error #7658 - remove deplicated key name error #7659 - Fix for #7656. #7662 - END blocks had regressed and was calling same block >1 #7663 - Array#pack unknown directive warns #7664 - All these work? #7665 - Arity errors for ‘call’ things in Signal#trap #7666 - Array#new size boundary error not tripping #7667 - Kernel#respond_to? return wrong error string but right error. #7668 - Array#to_s/inspect should be same method #7669 - Proc#inspect with &:foo should print that out in str #7670 - Probably method_missing is not handling keyword arguments properly [jruby-9.4.1.0] #7671 - Binding local_variables makes sure they are lvars #7672 - jruby-9.4.1.0 issues warning about duplicated keys #7674 - Fix #7672. warning about duplicated keys #7675 - JIT loses line numbers in some warnings? #7678 - Add –encoding command line option. #7679 - Spec sweep #7680 - disabling RUBYOPT processing was not hooked up. #7681 - Frozen string debugging off by one. #7682 - The -p command line should use print and not puts. #7683 - All -I provided relative paths shold be made absolute #7684 - Fixed windowsJ encoding and do not set on invalid K values #7685 - Add a warn form that takes a callback #7686 - Fix #7670. Coverage data goes off the rails. #7687 - Passing specs #7690 - Update irb to version 1.4.2+ #7691 - Updates irb to 1.4.2 #7693 - Enable color if console is a tty #7694 - Mimic CRuby’s range error logic for chr #7696 - Make coderange set on strings created from some IO ops #7700 - Define real error methods to avoid callee #7701 - Update gems #7702 - Encode new and old name in aliased calls #7708 - Enumerator.new takes at most one arg #7709 - Eliminate 2- and 3-arity paths for Enumerator#initialize #7715 - We were quoting symbols in inspect we shouldnt have #7716 - Add infra to support Ruby 3.1 pattern error messages. -- blog: http://blog.enebo.com twitter: tom_enebo mail: tom.enebo@gmail.com