TruffleRuby 24.1.1

TruffleRuby is a high-performance implementation of the Ruby programming language.
TruffleRuby aims to be fully compatible with the standard implementation of Ruby, MRI.
More information is available on the website: http://www.graalvm.org/ruby/
TruffleRuby comes in two standalone modes, native and jvm, for both Oracle GraalVM and Community Edition.
See the documentation for which release asset corresponds to what.

Changelog

• Build based on GraalVM for JDK 23.0.1 (24.1.1)

TruffleRuby 24.1.0

TruffleRuby is a high-performance implementation of the Ruby programming language.
TruffleRuby aims to be fully compatible with the standard implementation of Ruby, MRI.
More information is available on the website: http://www.graalvm.org/ruby/
TruffleRuby comes in two standalone modes, native and jvm, for both Oracle GraalVM and Community Edition.
See the documentation for which release asset corresponds to what.

Changelog

New features:

• Update to Ruby 3.2.4 (@andrykonchin).
• Add --reuse-precompiled-gems option (@andrykonchin).

Bug fixes:

• Add missing thread-safe objects write barriers for TruffleRuby::ConcurrentMap (#3179, @eregon).
• Fix repeated calling of methods Dir#{each,each_child,children} (#3464, @andrykonchin).
• Fix IO#{wait,wait_readable,wait_writable} methods and switch the current thread into a sleep state (@andrykonchin).
• Fix rb_global_variable() for Float and bignum values during the Init_ function (#3478, @eregon).
• Fix rb_gc_register_mark_object() for Float and bignum values (#3502, @eregon, @andrykonchin).
• Fix parsing literal floats when the locale does not use . for the decimal separator (e.g. LANG=fr_FR.UTF-8) (#3512, @eregon).
• Fix IO#{read_nonblock,readpartial,sysread}, BasicSocket#{recv,recv_nonblock}, {Socket,UDPSocket}#recvfrom_nonblock, UnixSocket#recvfrom and preserve a provided buffer's encoding (#3506, @andrykonchin).
• Repair IO#{wait_readable,wait_writable,wait} to be interruptible (#3504, @andrykonchin).
• Fix Hash value omission for constant names (@andrykonchin).
• Fix MatchData#[index, length] when index is larger than number of matched values (@andrykonchin).
• Fix #each for a foreign iterator which is also iterable (#3630, @eregon).

Compatibility:

• Move IO#wait_readable, IO#wait_writable, IO#wait_priority and IO#wait into core library (@andrykonchin).
• Change assignment evaluation order for fully qualified constant and evaluate left-hand-side before right-hand-side (#3039, @andrykonchin).
• Fix evaluation order for multi-assignment and evaluate left-hand-side before right-hand-side (@andrykonchin).
• Add Regexp.linear_time? method (#3039, @andrykonchin).
• Allow null encoding pointer in rb_enc_interned_str_cstr (@thomasmarshall).
• Allow anonymous memberless Struct (@simonlevasseur).
• Set $! when a Kernel#at_exit hook raises an exception (#3535, @andrykonchin).
• Support :buffer keyword argument to Array#pack (#3559, @andrykonchin).
• Set RbConfig::CONFIG['host_cpu'] to arm64 on darwin platform (#3571, @andrykonchin).
• Fix RegexpError messages to match CRuby better (#3398, @andrykonchin).
• Fix Enumerable#reduce to handle non-Symbol method name parameter (#2931, @andrykonchin).
• Fix RangeError message to match CRuby for Integer#chr called with invalid codepoint argument (#2795, @andrykonchin).
• Joni has been updated from 2.1.44 to 2.2.1 (@andrykonchin).
• Fix Hash#to_h called with a block and pass key and value to the block as separate arguments (#3607, @andrykonchin).
• Fix StringIO#initialize and preserve initial string's encoding when mode is w so the initial string is truncated (#3599, @andrykonchin).
• Fix IO#{autoclose=,autoclose?} and raise IOError when io is closed (@andrykonchin).
• Fix Thread#{thread_variable_get,thread_variable_set,thread_variable?,key?,[],[]=,fetch} and convert a non-String/Symbol thread-local variable name to String using #to_str (@andrykonchin).
• Fix formatting in Exception#full_message when RuntimeError is not handled and highlight option is specified (@andrykonchin).
• Fix String#encode and convert fallback values into String using #to_str (@andrykonchin).
• Fix Kernel.warn and don't call Warning#warn if a specified category is disabled (@andrykonchin).
• Fix $! global variable and make it fiber-local (@andrykonchin).
• Fix rb_set_errinfo and rb_errinfo and store an error separately from $! (#2890, @andrykonchin).
• Fix rb_mutex_synchronize to not wrap/unwrap result value (#3624, @andrykonchin).
• Add StringIO#set_encoding_by_bom method (#3632, @andrykonchin).
• Fix Kernel#eval to ignore shebang with non-Ruby interpreter (#3623, @andrykonchin).
• Add SyntaxError#path (#3433, @wasabigeek).
• Reuse the precompiled sass-embedded gem as-is on TruffleRuby (#3565, @ntkme).

Performance:

• Fix inline caching for Regexp creation from Strings (#3492, @andrykonchin, @eregon).
• Optimize Integer#pow method for small modulus values (#3544, @andrykonchin).
• Avoid repeated copies from native to managed string when matching Regexps on a native string (#2193, @eregon).
• Report polymorphism for Kernel#sprintf (#3537, @nirvdrum).
• Review all inline caches to appropriately use splitting to make the best use of these inline caches (@andrykonchin, @eregon).

Memory Footprint:

• Use inlined core method nodes even when modules are prepended to core classes (#3546, @eregon).
• Reduce empty array allocations (#3517, @nirvdrum).

TruffleRuby 24.0.2

TruffleRuby is a high-performance implementation of the Ruby programming language.
TruffleRuby aims to be fully compatible with the standard implementation of Ruby, MRI.
More information is available on the website: http://www.graalvm.org/ruby/
TruffleRuby comes in two standalone modes, native and jvm, for both Oracle GraalVM and Community Edition.
See the documentation for which release asset corresponds to what.

Changelog

• Build based on GraalVM for JDK 22.0.2 (24.0.2)

TruffleRuby 24.0.1

TruffleRuby is a high-performance implementation of the Ruby programming language.
TruffleRuby aims to be fully compatible with the standard implementation of Ruby, MRI.
More information is available on the website: http://www.graalvm.org/ruby/
TruffleRuby comes in two standalone modes, native and jvm, for both Oracle GraalVM and Community Edition.
See the documentation for which release asset corresponds to what.

Changelog

Bug fixes:

• Fix rb_global_variable() for Float and bignum values during the Init_ function (#3478, @eregon).

Performance:

• Fix inline caching for Regexp creation from Strings (#3492, @andrykonchin, @eregon).

TruffleRuby 24.0.0

TruffleRuby is a high-performance implementation of the Ruby programming language.
TruffleRuby aims to be fully compatible with the standard implementation of Ruby, MRI.
More information is available on the website: http://www.graalvm.org/ruby/
TruffleRuby comes in two standalone modes, native and jvm, for both Oracle GraalVM and Community Edition.
See the documentation for which release asset corresponds to what.

Changelog

New features:

• C/C++ extensions are now compiled using the system toolchain and executed natively instead of using GraalVM LLVM (Sulong). This leads to faster startup, no warmup, better compatibility, smaller distribution and faster installation for C/C++ extensions (#3118, @eregon).
• Full support for the Ruby 3.2 and Ruby 3.3 syntax by adopting the Prism parser, which is about twice as fast as the old parser (#3117, #3038, #3039, @andrykonchin, @eregon).
• Pattern matching is now fully supported (#3332, #2683, @eregon, @razetime).

Bug fixes:

• Fix rb_enc_left_char_head() so it is not always ArgumentError (#3267, @eregon).
• Fix IO.copy_stream with a Tempfile destination (#3280, @eregon).
• Fix Regexp.union negotiating the wrong result encoding (#3287, @nirvdrum, @simonlevasseur).
• Fix Proc#parameters and return all the numbered parameters lower than the used explicitly ones (@andrykonchin).
• Fix some C API functions which were failing when called with Ruby values represented as Java primitives (#3352, @eregon).
• Fix IO.select([io], nil, [io]) on macOS, it was hanging due to a bug in macOS poll(2) (#3346, @eregon, @andrykonchin).
• Run context cleanup such as showing the output of tools when SignalException and Interrupt escape (@eregon).
• Handle a new variable inside the case target expression correctly (#3377, @eregon).
• The arguments of Thread.new(*args, &block) need to be marked as shared between multiple threads (#3179, @eregon).
• Fix Range#bsearch and raise TypeError when range boundaries are non-numeric and block not passed (@andrykonchin).
• Fix using the --cpusampler profiler when there are custom unblock functions for rb_thread_call_without_gvl() (#3013, @eregon).
• Fix recursive raising FrozenError exception when redefined #inspect modifies an object (#3388, @andrykonchin).
• Fix Integer#div returning the wrong object type when the divisor is a Rational (@simonlevasseur, @nirvdrum).
• Remove constant Random::DEFAULT (#3039, @patricklinpl)

Compatibility:

• Add Exception#detailed_message method (#3257, @andrykonchin).
• Fix rb_enc_vsprintf and force String encoding instead of converting it (@andrykonchin).
• Add rb_gc_mark_movable function (@andrykonchin).
• Promote File#path and File#to_path to IO#path and IO#to_path and make IO#new accept an optional path: keyword argument (#3039, @moste00)
• Display "unhandled exception" as the message for RuntimeError instances with an empty message (#3255, @nirvdrum).
• Set RbConfig::CONFIG['configure_args'] for openssl and libyaml (#3170, #3303, @eregon).
• Support Socket.sockaddr_in(port, Socket::INADDR_ANY) (#3361, @mtortonesi).
• Implement the Data class from Ruby 3.2 (#3039, @moste00, @eregon).
• Make Coverage.start and Coverage.result accept parameters (#3149, @mtortonesi, @andrykonchin).
• Implement rb_check_funcall() (@eregon).
• Implement MatchData#{byteoffset,deconstruct,deconstruct_keys} from Ruby 3.2 (#3039, @rwstauner).
• Add Integer#ceildiv method (#3039, @simonlevasseur, @nirvdrum).
• Implement Class#attached_object method (#3039, @andrykonchin).
• Fix ENV#{clone,dup} and raise TypeError (#3039, @andrykonchin).
• Fix Coverage.supported? and raise TypeError if argument is not Symbol (#3039, @andrykonchin).
• Accept options argument to Regexp.{new,compile} of String and warn for unknown types (#3039, @rwstauner).
• Implement Time#deconstruct_keys from Ruby 3.2 (#3039, @rwstauner).
• Do not autosplat a proc that accepts a single positional argument and keywords (#3039, @andrykonchin).
• Support passing anonymous * and ** parameters as method call arguments (#3039, @andrykonchin).
• Handle either positional or keywords arguments by default in Struct.new (#3039, @rwstauner).
• Promote Set class to core library (#3039, @andrykonchin).
• Support connect_timeout keyword argument to TCPSocket.{new,open} (#3421, @manefz, @patricklinpl, @nirvdrum, @rwstauner).
• Add File.lutime and Pathname#lutime methods (#3039, @andrykonchin).
• Add a deprecation warning for Encoding#replicate (#3039, @patricklinpl, @manefz, @nirvdrum).
• Change UnboundMethod#{==,inspect} to use the owner module rather than the origin (#3039, @rwstauner, @manefz, @patricklinpl)
• Support lambda keyword argument in Proc#parameters (#3039, @thomasmarshall, @goyox86).
• Limit maximum encoding set size by 256 (#3039, @thomasmarshall, @goyox86).
• Remove deprecated methods Dir.exists?, File.exists?, and Kernel#=~ (#3039, @patricklinpl, @nirvdrum).
• Remove deprecated FileTest.exists? method (#3039, @andrykonchin).
• Fix {Method,Proc}#parameters and return *, ** and & names for anonymous parameters (@andrykonchin).
• Remove deprecated Fixnum and Bignum constants (#3039, @andrykonchin).
• Add rb_enc_interned_str_cstr function (#3408, @goyox86, @thomasmarshall).
• Add rb_str_to_interned_str function (#3408, @thomasmarshall).

Performance:

• Change the Hash representation from traditional buckets to a "compact hash table" for improved locality, performance and memory footprint (#3172, @moste00).
• Optimize calls with ruby2_keywords forwarding by deciding it per call site instead of per callee thanks to my fix in CRuby 3.2 (@eregon).
• Optimize feature loading when require is called with an absolute path to a .rb file (@rwstauner).
• Avoid extra copies for Strings passed as :string arguments to a FFI call and used later for Regexp matching (#3293, @eregon).

TruffleRuby 23.1.2

TruffleRuby is a high-performance implementation of the Ruby programming language.
TruffleRuby aims to be fully compatible with the standard implementation of Ruby, MRI.
More information is available on the website: http://www.graalvm.org/ruby/
TruffleRuby comes in two standalone modes, native and jvm, for both Oracle GraalVM and Community Edition.
See the documentation for which release asset corresponds to what.

Changelog

Bug fixes:

• Fix rb_enc_left_char_head() so it is not always ArgumentError (#3267, @eregon).
• Fix IO.copy_stream with a Tempfile destination (#3280, @eregon).
• Fix Regexp.union negotiating the wrong result encoding (#3287, @nirvdrum, @simonlevasseur).
• Fix segfault in JITed code, graal commit

* Fix segfault in Native mode with G1 (only applies to Oracle GraalVM & Linux), graal commit
Unfortunately this was not backported to 23.1.2, it will be fixed in the next release.

Compatibility:

• Fix problems with the LLVM toolchain wrappers with Xcode 15 on macOS (#3283, #3294).

TruffleRuby 23.1.1

TruffleRuby is a high-performance implementation of the Ruby programming language.
TruffleRuby aims to be fully compatible with the standard implementation of Ruby, MRI.
More information is available on the website: http://www.graalvm.org/ruby/
TruffleRuby comes in two standalone modes, native and jvm, for both Oracle GraalVM and Community Edition.
See the documentation for which release asset corresponds to what.

Changelog

• Build based on latest GraalVM JDK release (23.1.1)

TruffleRuby 23.1.0

TruffleRuby is a high-performance implementation of the Ruby programming language.
TruffleRuby aims to be fully compatible with the standard implementation of Ruby, MRI.
More information is available on the website: http://www.graalvm.org/ruby/
TruffleRuby comes in two standalone modes, native and jvm, for both Oracle GraalVM and Community Edition.
See the documentation for which release asset corresponds to what.

Changelog

New features:

• Updated to Ruby 3.2.2 (#3039, @eregon, @andrykonchin).
• TruffleRuby Native on Oracle GraalVM on Linux now uses the G1 garbage collector which is much faster (@eregon).

Bug fixes:

• Fix Dir.glob returning blank string entry with leading **/ in glob and base: argument (@rwstauner).
• Fix class lookup after an object's class has been replaced by IO#reopen (@itarato, @nirvdrum, @eregon).
• Fix Marshal.load and raise ArgumentError when dump is broken and is too short (#3108, @andrykonchin).
• Fix super method lookup for unbounded attached methods (#3131, @itarato).
• Fix Module#define_method(name, Method) to respect module_function visibility (#3181, @andrykonchin).
• Fix stack overflow with Kernel.require and zeitwerk (#3224, @eregon).
• Reimplement IO.select with poll(2) to support file descriptors >= 1024 (#3201, @eregon).

Compatibility:

• Fix Hash#shift when Hash is empty but has initial default value or initial default proc (#3039, @itarato).
• Make Array#shuffle produce the same results as CRuby (@rwstauner).
• Add Process.argv0 method (@andrykonchin).
• Add support for array pattern matching. This is opt-in via --pattern-matching since pattern matching is not fully supported yet. (#2683, @razetime).
• Fix Array#[] with ArithmeticSequence argument when step is negative (#3039, @itarato).
• Fix Range#size and return nil for beginningless Range when end isn't Numeric (#3039, @rwstauner).
• Alias String#-@ to String#dedup (#3039, @itarato).
• Fix Pathname#relative_path_from to convert string arguments to Pathname objects (@rwstauner).
• Add String#bytesplice (#3039, @itarato).
• Add String#byteindex and String#byterindex (#3039, @itarato).
• Add implementations of rb_proc_call_with_block, rb_proc_call_kw, rb_proc_call_with_block_kw and rb_funcall_with_block_kw (#3068, @andrykonchin).
• Add optional timeout argument to Thread::Queue#pop (#3039, @itarato).
• Add optional timeout argument to Thread::SizedsQueue#pop (#3039, @itarato).
• Handle long long and aliases in Fiddle (#3128, @eregon).
• Add Module#refinements (#3039, @itarato).
• Add Refinement#refined_class (#3039, @itarato).
• Add rb_hash_new_capa function (#3039, @itarato).
• Fix Encoding::Converter#primitive_convert and raise FrozenError when a destination buffer argument is frozen (@andrykonchin).
• Add Module#undefined_instance_methods (#3039, @itarato).
• Add Thread.each_caller_location (#3039, @itarato).
• Add timeout argument to Thread::SizedQueue#push (#3039, @itarato).
• Add rb_syserr_new function (@rwstauner).
• Add Enumerator#product (#3039, @itarato).
• Add Module#const_added (#3039, @itarato).
• Show the pointer size information (if available) in FFI::Pointer#inspect (@nirvdrum).
• Implement performance warnings (Warning[:performance]) like in CRuby 3.3 (@eregon).
• The output of Marshal.dump is now compatible with CRuby for Rational and Complex instances (#3228, @eregon).

Performance:

• Improve Truffle::FeatureLoader.loaded_feature_path by removing expensive string ops from a loop. Speeds up feature lookup time (#3010, @itarato).
• Improve String#-@ performance by reducing unnecessary data copying and supporting substring lookups (@nirvdrum)
• Specialize Array#<< and related methods appending elements per call site to have a single array storage strategy in the inline cache for most cases (@eregon).

Changes:

• gu install $LANGUAGE is replaced by truffleruby-polyglot-get $LANGUAGE, available in the TruffleRuby JVM standalone (@eregon).
• The TruffleRuby ScriptEngine implementation is removed in favor of the generic ScriptEngine in GraalVM docs (@eregon).

Memory Footprint:

• Replaced RubyLibrary with FreezeNode and IsFrozenNode (@horakivo).
• Address many truffle-sharing warnings (@horakivo).
• Address many truffle-inlining warnings (@horakivo).

TruffleRuby - GraalVM Community 23.0.1

TruffleRuby is a high-performance implementation of the Ruby programming language.
TruffleRuby aims to be fully compatible with the standard implementation of Ruby, MRI.
The Ruby language component can be added to GraalVM using the gu utility.
More information is available on the website: http://www.graalvm.org/ruby/

Changelog

• Build based on latest GraalVM JDK release (23.0.1)

TruffleRuby - GraalVM Community 23.0.0

TruffleRuby is a high-performance implementation of the Ruby programming language.
TruffleRuby aims to be fully compatible with the standard implementation of Ruby, MRI.
The Ruby language component can be added to GraalVM using the gu utility.
More information is available on the website: http://www.graalvm.org/ruby/

Changelog

New features:

• Updated to Ruby 3.1.3 (#2733, @andrykonchin, @eregon).
• foreign_object.is_a?(foreign_meta_object) is now supported (@eregon).
• Foreign big integers are now supported and work with all Numeric operators (@eregon).

Bug fixes:

• Ensure every parse node has a source section and fix the source section for ensure (#2758, @eregon).
• Fix spawn(..., fd => fd) on macOS, it did not work due to a macOS bug (@eregon).
• Fix rb_gc_register_address()/rb_global_variable() to read the latest value (#2721, #2734, #2720, @eregon).
• Synchronize concurrent writes to the same StringIO (@eregon).
• Fix StringIO#write(str) when str is of an incompatible encoding and position < buffer size (#2770, @eregon).
• Fix rb_thread_fd_select() to correctly initialize fdset copies and handle the timeout (@eregon).
• Fix TracePoint#inspect when it's called outside of a callback (@andrykonchin).
• Fix Signal.trap when signal argument is not supported (#2774, @andrykonchin).
• Fix Dir.mkdir and convert permissions argument to Integer (#2781, @andrykonchin).
• Fix String#dump and use \u{xxxx} notation (with curly brackets) for characters that don't fit in \uxxxx (#2794, @andrykonchin).
• Fix Marshal.dump when big Integer (that cannot be expressed with 4 bytes) is serialized (#2790, @andrykonchin).
• Fix Array#pack and accept Numeric values when Float is expected (#2815, @andrykonchin).
• Fix \P{} matching in regular expressions (#2798, @andrykonchin).
• Fix constants lookup when BasicObject#instance_eval method is called with a String (#2810, @andrykonchin).
• Don't trigger the method_added event when changing a method's visibility or calling module_function (@paracycle, @nirvdrum).
• Fix rb_time_timespec_new function to not call Time.at method directly (@andrykonchin).
• Fix StringIO#write to transcode strings with encodings that don't match the StringIO's external_encoding. (#2839, @flavorjones)
• Fix processing of proc rest arguments located at the beginning if there are no actual arguments (#2921, @andrykonchin).
• Fix Monitor#exit to raise ThreadError when monitor not owned by the current thread (#2922, @andrykonchin).
• Fix MatchData#[] to support negative length argument (#2929, @andrykonchin).
• Fix IO line reading calls when using a multi-byte delimiter (IO#{each,gets,readline,readlines,etc.}) (#2961, @vinistock, @nirvdrum).
• Fix the exception type raised when type coercion raises a NoMethodError (#2903, @paracycle, @nirvdrum).
• Fix Method and Proc #parameters method to return _ parameter name without synthetic suffix when there are multiple _ parameters (@paracycle).
• Fixed errors in IRB when attempting to navigate beyond bounds in singleline mode (@rwstauner).
• Fix Dir.glob returning blank string entry with leading **/ in glob and base: argument (@rwstauner).

Compatibility:

• Fix MatchData#[] when passed unbounded Range (#2755, @andrykonchin).
• Updated rb_define_class, rb_define_class_under, and rb_define_class_id_under to allow class names that aren't valid in Ruby (#2739, @nirvdrum).
• Fixed rb_gv_get so that it no longer implicitly creates global variables (#2748, @nirvdrum).
• Added implementations of rb_gvar_val_getter and rb_define_virtual_variable (#2750, @nirvdrum).
• Implement rb_warning_category_enabled_p to support the syntax_tree gem (#2764, @andrykonchin).
• Fix desctructuring of a single block argument that implements #to_ary dynamically (#2719, @andrykonchin).
• Fix Kernel#Complex and raise exception when an argument is formatted incorrectly (#2765, @andrykonchin).
• Add #public?, #private? and #protected? methods for Method and UnboundMethod classes (@andrykonchin).
• Add optional argument to Thread::Queue.new (@andrykonchin).
• Support a module as the second argument of Kernel#load (@andrykonchin).
• Improve argument validation in Struct#valies_at - raise IndexError or RangeError when arguments are out of range (#2773, @andrykonchin).
• Fix MatchData#values_at and handling indices that are out of range (#2783, @andrykonchin).
• Add support for %-z (UTC for unknown local time offset, RFC 3339) to Time#strftime (@andrykonchin).
• Add support for UTC and A-Z utc offset values, as well as +/-HH, +/-HHMM, +/-HHMMSS (without :) (@andrykonchin).
• Treat time with UTC, Z and -00:00 utc offset as UTC time (@andrykonchin).
• Raise FrozenError when Time#localtime, Time#utc and Time#gmtime is called on a frozen time object (@andrykonchin).
• Validate a microseconds argument used to create a time object (@andrykonchin).
• Support accessing dmark and dfree fields for RData (#2771, @eregon).
• Implement rb_enc_nth() (#2771, @eregon).
• Support offset keyword argument for String#unpack and String#unpack1 (@andrykonchin).
• Fix Process.detach and cast pid argument to Integer (#2782, @andrykonchin).
• rb_to_id() should create a static ID, used by RMagick (@eregon).
• Resolve the current user home even when $HOME is not set (#2784, @eregon)
• Fix IO#lineno= and convert argument to Integer more strictly (#2786, @andrykonchin).
• Fix argument implicit convertion in IO#pos= and IO#seek methods (#2787, @andrykonchin).
• Warn about unknown directive passed to Array#pack in verbose mode (#2791, @andrykonchin).
• Added constants IO::SEEK_DATE and IO::SEEK_HOLE (#2792, @andrykonchin).
• Fix StringIO.new to accept keyword arguments (#2793, @andrykonchin).
• Process#spawn should call #to_io on non-IO file descriptor objects (#2809, @jcouball).
• Add constants IO::SEEK_DATE and IO::SEEK_HOLE (#2792, @andrykonchin).
• Add Class#subclasses method (#2733, @andrykonchin).
• Implement Coverage.running? method (@andrykonchin).
• Fix arguments implicit type conversion for Enumerable#zip and Array#zip (#2788, @andrykonchin).
• Fix Array#unshift to not depend on Array#[]= and allow overriding #[]= in a subclass (#2772, @andrykonchin).
• Fix syntactic check for void value expression (#2821, @eregon).
• Fix Range#step with no block and non-Numeric values (#2824, @eregon).
• Fix execution order of END blocks and at_exit callbacks (#2818, @andrykonchin).
• Fix String#casecmp? for empty strings of different encodings (#2826, @eregon).
• Implement Enumerable#compact and Enumerator::Lazy#compact (#2733, @andrykonchin).
• Implement Array#intersect? (#2831, @nirvdrum).
• Record the source location in the constant for the module/class keywords (#2833, @eregon).
• Fix File.open and support flags option (#2820, @andrykonchin).
• Support writing to RData.dfree for native extensions (#2830, #2732, #2165, @eregon).
• Fix IO#write and support multiple arguments with different encodings (#2829, @andrykonchin).
• Fix Array methods reject, reject!, inject, map, select, each_index and handle a case when array is modified by a passed block like CRuby does (#2822, andrykonchin, @eregon).
• Fix EncodingError exception message when Symbol has invalid encoding (#2850, @andrykonchin).
• Raise EncodingError at parse time when Hash literal contains a Symbol key with invalid encoding (#2848, @andrykonchin).
• Fix Array methods reject, reject!, inject, map, select, each_index and handle a case when array is modified by a passed block like CRuby does (#2822, @andrykonchin, @eregon).
• Fix Array methods select! and keep_if and handle a case when exception is raised in a passed block properly (@andrykonchin).
• Fix Enumerable methods each_cons and each_slice to return receiver (#2733, @horakivo)
• Module methods #private, #public, #protected, #module_function now returns their arguments like in CRuby 3.1 (#2733, @horakivo)
• Kernel#exit!, killing Fibers and internal errors do not run code in ensure clauses anymore, the same as CRuby (@eregon).
• Implement UnboundMethod#original_name (@paracycle, @nirvdrum).
• Implement Thread#native_thread_id method (#2733, @horakivo).
• Modify Struct#{inspect,to_s} to match MRI when the struct is nested inside of an anonymous class or module (@st0012, @nirvdrum).
• Fiber.current and Fiber#transfer are available without require 'fiber' like in CRuby 3.1 (#2733, @eregon).
• Add freeze keyword argument to Marshal.load (#2733, @andrykonchin).
• Add Integer.try_convert (#2733, @moste00, @eregon).
• Support optional :in keyword argument for Time.now and Time.new (#2733, @andrykonchin).
• Add optional Hash argument to Enumerable#tally (#2733, @andrykonchin).
• Update $LOAD_PATH.resolve_feature_path to return nil instead of raising LoadError when feature isn't found (#2733, @andrykonchin).
• Add objspace/trace file (#2733, @andrykonchin).
• Add Process._fork (#2733, @horakivo).
• Update to JCodings 1.0.58 and Joni 2.1.44 (@eregon).
• Add MatchData#match and MatchData#match_length (#2733, @horakivo).
• Add StructClass#keyword_init? method (#2377, @moste00).
• Support optional level argument for File.dirname method (#2733, @moste00).
• Add Thread::Backtrace.limit method (#2733, @andrykonchin).
• Deprecate rb_gc_force_recycle and make it a no-op function (#2733, @moste00).
• Add Refinement#import_methods method and add deprecation warning for Refinement#include and Refinement#prepend (#2733, @horakivo).
• Upgrading UNICODE version to 13.0.0 and EMOJI version to 13.1 (#2733, @horakivo).
• Add rb_io_maybe_wait_readable, `...