Update version and release date. (mruby 3.4.0 (2025-04-20))

Doxyfile

@@ -48,7 +48,7 @@ PROJECT_NAME           = mruby
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = 3.3.0
+PROJECT_NUMBER         = 3.4.0
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a

NEWS

@@ -1,189 +1,254 @@
 NEWS
 ----
 
-# User visible changes in `mruby3.3` from `mruby3.2`
+# User visible changes in `mruby3.4` from `mruby3.3`
 
 "**_NOTE_**:" are changes to be aware of.
 
 # The language
 
-- aliases work properly with `super` ([2ad3f0e](https://github.com/mruby/mruby/commit/2ad3f0e))
-- `callee` method work differently with aliases in mruby ([f2dc76e](https://github.com/mruby/mruby/commit/f2dc76e))
-- define `Kernel#respond_to_missing?` method ([347586e](https://github.com/mruby/mruby/commit/347586e))
-- `_inspect` method (`inspect` with recursive check) is removed
-  ([e2bbf75](https://github.com/mruby/mruby/commit/e2bbf75), [5cb0c74](https://github.com/mruby/mruby/commit/5cb0c74), [113565a](https://github.com/mruby/mruby/commit/113565a),
-  [0713f2a](https://github.com/mruby/mruby/commit/0713f2a), [6ae6b63](https://github.com/mruby/mruby/commit/6ae6b63), [fc9fffc](https://github.com/mruby/mruby/commit/fc9fffc))
-- `__printstr__` method is removed; use `print` instead
-  ([acecee0](https://github.com/mruby/mruby/commit/acecee0), [192e6e3](https://github.com/mruby/mruby/commit/192e6e3))
-- New method `String#bytesplice` ([5274647](https://github.com/mruby/mruby/commit/5274647), [a2e2e83](https://github.com/mruby/mruby/commit/a2e2e83))
-- Allow `return` in blocks to cross C boundaries ([#6125](https://github.com/mruby/mruby/pull/6125))
-
-# Configuration
-
-- mruby can be built using Docker now. Try `docker-compose build` for example. ([#5961](https://github.com/mruby/mruby/pull/5961))
-- New Platform: DJGPP (MS-DOS) ([#6022](https://github.com/mruby/mruby/pull/6022))
-- New Platform: Nintendo Wii ([#6086](https://github.com/mruby/mruby/pull/6086))
-- Improved Platform: Android ([#6013](https://github.com/mruby/mruby/pull/6013))
-- Improved Platform: Dreamcast ([#6130](https://github.com/mruby/mruby/pull/6130))
-- Allow tests to be disabled for specific gems; warn about disabled tests ([#6012](https://github.com/mruby/mruby/pull/6012))
-- Replace `MRB_NO_DIRECT_THREADING` with `MRB_USE_VM_SWITCH_DISPATCH` ([#5902](https://github.com/mruby/mruby/pull/5902))
-
-# mruby memory API
-
-- `mrb_default_allocf` can be overridden by the application ([34c5d96](https://github.com/mruby/mruby/commit/34c5d96))
-- `mrb_open_allocf` will be deprecated ([cfee5c2](https://github.com/mruby/mruby/commit/cfee5c2))
+- mruby now supports `private` and `protected` visibitily ([b0db0bd](https://github.com/mruby/mruby/commit/b0db0bd))
+- Maximum length of inlined symbols reduced from 5 to 4 characters to provide space for visibility flags ([6442a01](https://github.com/mruby/mruby/commit/6442a01))
+- Many methods are made private according to CRuby visibility ([4a0e806](https://github.com/mruby/mruby/commit/4a0e806))
+- Generate OP_SSEND for `self.method` type calls ([111fe4b](https://github.com/mruby/mruby/commit/111fe4b))
+- `initialize` method will be always private ([eb8b412](https://github.com/mruby/mruby/commit/eb8b412))
+- Add new hooks `method_removed`, `method_undefined` ([9c74f6e](https://github.com/mruby/mruby/commit/9c74f6e))
+- Add new hooks `singleton_method_removed`, `singleton_method_undefined` ([0863c08](https://github.com/mruby/mruby/commit/0863c08))
+- Updated `OP_DEF` output from codedump ([3a3e877](https://github.com/mruby/mruby/commit/3a3e877))
+- Better handling of binary strings, e.g. String#b ([b0127f0](https://github.com/mruby/mruby/commit/b0127f0))
+- Hash `to_s` format has changed ([baeeb5e](https://github.com/mruby/mruby/commit/baeeb5e))
+- Some encoding related method such as `#force_encoding` ([e47b4ca](https://github.com/mruby/mruby/commit/e47b4ca)), `#b` ([b0127f0](https://github.com/mruby/mruby/commit/b0127f0))
+- Constant folding for `String#+` ([6687bdd](https://github.com/mruby/mruby/commit/6687bdd))
+- Remove Float bit-operation ([db8368f](https://github.com/mruby/mruby/commit/db8368f))
+- use SWAR technique for strlen performance ([cbb31e6](https://github.com/mruby/mruby/commit/cbb31e6))
+- use merge sort for `Array#sort` ([5bd63d6](https://github.com/mruby/mruby/commit/5bd63d6))
 
 # Changes in C API
 
-- add new error handling API functions ([8c8bbd9](https://github.com/mruby/mruby/commit/8c8bbd9))
-- Add `mrb_vm_ci_env_clear()` function with `MRB_API` ([#5945](https://github.com/mruby/mruby/pull/5945))
-- a new function `mrb_check_frozen_value()` ([ccdf75c](https://github.com/mruby/mruby/commit/ccdf75c))
-- avoid formatting in `mrb_bug()` ([82a48bd](https://github.com/mruby/mruby/commit/82a48bd)) <br>
-  **_NOTE_**: If you are using it, you must give a simple string or replace it with a call to `mrb_raise()` series.
-- stop using `mrbc_` prefix for compiler context ([c5e3cbe](https://github.com/mruby/mruby/commit/c5e3cbe)) <br>
-  The same names are provided as before, but we recommend replacing them.
-- Allow `Class#allocate` to be prohibited
-  ([#5979](https://github.com/mruby/mruby/pull/5979), [#6122](https://github.com/mruby/mruby/pull/6122), [#6123](https://github.com/mruby/mruby/pull/6123)) <br>
-  To disable `#allocate`, use `MRB_UNDEF_ALLOCATOR()`.
-  This is also automatically applied when the subclass is created, but to explicitly allow it, use `MRB_DEFINE_ALLOCATOR()`.
+- pool.c renamed to mempool.c (and mrb_pool to mrb_mempool) ([49525fa](https://github.com/mruby/mruby/commit/49525fa))
+- mrb_pool_value renamed to mrb_irep_pool to reduce confusion ([62ef5db](https://github.com/mruby/mruby/commit/62ef5db))
+- rename BOXNIX_SET_VALUE to BOXNO_SET_VALUE ([#6397](https://github.com/mruby/mruby/pull/6397))
+- `MRB_FROZEN_P()` is replaced by `mrb_frozen_p()` ([c11d18e](https://github.com/mruby/mruby/commit/c11d18e))
+- rename `color` to `gc_color` ([0e79f6b](https://github.com/mruby/mruby/commit/0e79f6b), [1e36d76](https://github.com/mruby/mruby/commit/1e36d76))
+- add `obj->frozen` instead of flags `MRB_SET_FROZEN_FLAG`/`MRB_UNSET_FROZEN_FLAG` ([8276143](https://github.com/mruby/mruby/commit/8276143))
+
+# Build & Configuration
+
+- New Build Target: `test:run:serial`, `test:run:serial:lib`, `test:run:serial:bin` ([#6423](https://github.com/mruby/mruby/pull/6423))
+- New Platform: Playstation Portable ([#6022](https://github.com/mruby/mruby/pull/6465))
+- New Platform: emscripten ([#6487](https://github.com/mruby/mruby/pull/6487))
+- New Config: no-float (with MRB_NO_FLOAT) ([32200f1](https://github.com/mruby/mruby/commit/32200f1))
 
 # Changes in mrbgems
 
-- **default.gembox**: Add mruby debugger mrdb (`mruby-bin-debugger`) ([#5966](https://github.com/mruby/mruby/pull/5966))
-- **mruby-bin-config**: new options `--cxx`, `--cxxflags`, `--as`, `--asflags`, `--objc`, `--objcflags` ([#6054](https://github.com/mruby/mruby/pull/6054))
-- **mruby-binding**: renamed from `mruby-binding-core` of mruby3.2 ([11af5db](https://github.com/mruby/mruby/commit/11af5db)) <br>
-  **_NOTE_**: If using `mruby-binding-core` of mruby 3.2, replace it with `mruby-binding`.
-- **mruby-binding**: implemented `Binding#initialize_copy` method ([#5517](https://github.com/mruby/mruby/pull/5517))
-- **mruby-binding**: `Kernel#binding` responds only to calls from Ruby ([#5981](https://github.com/mruby/mruby/pull/5981))
-- **mruby-compar-ext**: Comparable#clamp to accept nil as arguments ([836bebc](https://github.com/mruby/mruby/commit/836bebc))
-- **mruby-compiler**: add print name for identifier tokens ([d7b2e3a](https://github.com/mruby/mruby/commit/d7b2e3a))
-- **mruby-data**: allow empty Data ([927a9df](https://github.com/mruby/mruby/commit/927a9df))
-- **mruby-enumerator**: remove internal attribute methods `obj`, `args`, `kwd`, `meth`, `fib`. ([735fa24](https://github.com/mruby/mruby/commit/735fa24))
-- **mruby-enumerator**: add Enumerator#size ([861f8bd](https://github.com/mruby/mruby/commit/861f8bd))
-- **mruby-eval**: merged `mruby-binding` of mruby3.2 ([501b22a](https://github.com/mruby/mruby/commit/501b22a), [#5989](https://github.com/mruby/mruby/pull/5989)) <br>
-  **_NOTE_**: If using `mruby-binding` of mruby 3.2, replace it with `mruby-eval`.
-- **mruby-fiber**: Add a new `mrb_fiber_new()` with `MRB_API` ([#6097](https://github.com/mruby/mruby/pull/6097))
-- **mruby-fiber**: Allows calling `Fiber#resume` from C ([#6106](https://github.com/mruby/mruby/pull/6106))
-- **mruby-fiber**: `Fiber#to_s` format changed ([#6105](https://github.com/mruby/mruby/pull/6105))
-- **mruby-io**: add File#atime and File#ctime ([321cfe9](https://github.com/mruby/mruby/commit/321cfe9))
-- **mruby-io**: Add "x" mode option for `IO.open` ([#6081](https://github.com/mruby/mruby/pull/6081))
-- **mruby-io**: File.new should not take blocks ([53de964](https://github.com/mruby/mruby/commit/53de964))
-- **mruby-method**: `Method#to_s` format changed ([f5bc82f](https://github.com/mruby/mruby/commit/f5bc82f), [02f189c](https://github.com/mruby/mruby/commit/02f189c))
-- **mruby-numeric-ext**: `int.pow(n,m)` to take bigint as exponential ([d482eab](https://github.com/mruby/mruby/commit/d482eab))
-- **mruby-pack**: support new directives `j`, `J`, `b`, `B`, `#`
-  ([2a1e3a5](https://github.com/mruby/mruby/commit/2a1e3a5), [e7021f1](https://github.com/mruby/mruby/commit/e7021f1), [e17f325](https://github.com/mruby/mruby/commit/e17f325))
-- **mruby-range-ext**: new method `Range#overlap?` ([384d0e2](https://github.com/mruby/mruby/commit/384d0e2))
-- **mruby-string-ext**: Add `String#valid_encoding?` method ([eabe2d9](https://github.com/mruby/mruby/commit/eabe2d9))
-- **mruby-struct**: allow empty Struct when a name is not given ([c212ede](https://github.com/mruby/mruby/commit/c212ede))
-- **mruby-time**: should allow year before 1900 ([e5de08b](https://github.com/mruby/mruby/commit/e5de08b))
-- **mruby-time**: support bigint to time_t if necessary ([7096d27](https://github.com/mruby/mruby/commit/7096d27))
-- **mruby-time**: need to handle negative time_t ([b064d7e](https://github.com/mruby/mruby/commit/b064d7e))
+- **mruby-print**: removed; if you do not use `mruby-io`, mruby use `#print` etc. in the core ([8c8bbd9](https://github.com/mruby/mruby/commit/8c8bbd9))
+- **mruby-enum-lazy**: Add Enumerable::Lazy#grep_v to mruby-enum-lazy ([#6171](https://github.com/mruby/mruby/pull/6171))
+- **mruby-io**: Add `level` argument to `File.dirname` ([#6463](https://github.com/mruby/mruby/pull/6463))
+- **mruby-io**: File.absolute_path? ([#6482](https://github.com/mruby/mruby/pull/6482))
+- **mruby-io**: File.absolute_path ([96113a2](https://github.com/mruby/mruby/commit/96113a2))
+- **mruby-toplevel-ext**: top-level public/private/protected moved to the core ([2a876d2](https://github.com/mruby/mruby/commit/2a876d2))
+- **mruby-metaprog**: method list methods now works according to the visibility ([9229da1](https://github.com/mruby/mruby/commit/9229da1))
+- **mruby-metaprog**: `public_instance_methods`, `private_instance_methods`, `protected_instance_methods` ([9e3e7b2](https://github.com/mruby/mruby/commit/9e3e7b2))
+- **mruby-encoding**: MRB_UTF8_STRING turned on automatically with this gem ([74bdae9](https://github.com/mruby/mruby/commit/74bdae9))
 
-# Changes in build system
+# Fixed GitHub Issues
 
-- Extended `rake install` task ([#5928](https://github.com/mruby/mruby/pull/5928)) <br>
-  **_NOTE_**: Due to this impact, executable files in the `mruby/bin/` directory by default are now symbolic links (batch files on Windows).
-  If previously relied on those executables, should be replaced with direct references to the entity created under the build directory (e.g. `mruby/build/host/bin/`).
-- Encode and decode escape characters for presym ([#6011](https://github.com/mruby/mruby/pull/6011))
-- Rakefile: remove default build target directories in `deep_clean` ([#6032](https://github.com/mruby/mruby/pull/6032), [1e38569](https://github.com/mruby/mruby/commit/1e38569))
+- [#6173](https://github.com/mruby/mruby/issues/6173) Fails to build with tcc(Tiny C Compiler)
+- [#6156](https://github.com/mruby/mruby/issues/6156) '/LIBPATH' issue
+- [#6183](https://github.com/mruby/mruby/issues/6183) ".e".to_f returns NAN
+- [#6182](https://github.com/mruby/mruby/issues/6182) mrb_read_float() converts "0.3" with a small error compared to strtod()
+- [#6210](https://github.com/mruby/mruby/issues/6210) Unary minus seems broken
+- [#6255](https://github.com/mruby/mruby/issues/6255) Wrong number of characters in broken UTF-8 string
+- [#4038](https://github.com/mruby/mruby/issues/4038) Heap buffer overflow in OP_ENTER
+- [#6262](https://github.com/mruby/mruby/issues/6262) Unable to define == for objects when using Array#delete
+- [#6267](https://github.com/mruby/mruby/issues/6267) When MRB_UTF8_STRING is enabled, giving byte characters for String#index and String#split gives wrong results
+- [#6277](https://github.com/mruby/mruby/issues/6277) MSVC: can't use malloc() in string.c with WIN32_LEAN_AND_MEAN
+- [#6240](https://github.com/mruby/mruby/issues/6240) Differentiate between lib and lib64 in the build settings.
+- [#6304](https://github.com/mruby/mruby/issues/6304) Calling method_missing with only Kwargs passes arguments incorrectly
+- [#6317](https://github.com/mruby/mruby/issues/6317) mrb_gc_register() may cause GC and collect the object being protected
+- [#6307](https://github.com/mruby/mruby/issues/6307) Planned change patch for mrb_vm_exec()
+- [#6298](https://github.com/mruby/mruby/issues/6298) foo :bar {} is legal in mruby?
+- [#6326](https://github.com/mruby/mruby/issues/6326) Detect “Use-after-free” with address sanitizer
+- [#5358](https://github.com/mruby/mruby/issues/5358) static warning from getpwnam
+- [#6339](https://github.com/mruby/mruby/issues/6339) mrb_ary_delete() may refer to an invalid address (use-after-free)
+- [#6346](https://github.com/mruby/mruby/issues/6346) Block kwargs are passed as last positional arg when using yield
+- [#6365](https://github.com/mruby/mruby/issues/6365) powl() not available when compiling for Dreamcast
+- [#6369](https://github.com/mruby/mruby/issues/6369) 100x Performance Regression from 3.1
+- [#6270](https://github.com/mruby/mruby/issues/6270) NODE_ZSUPER from deeply nested blocks will result in a truncated digits for block index in OP_ARGARY
+- [#6297](https://github.com/mruby/mruby/issues/6297) Assigning to a block variable changes the actual block (thus affecting block_given? and yield)
+- [#6389](https://github.com/mruby/mruby/issues/6389) instance_exec named block args don't work properly
+- [#6388](https://github.com/mruby/mruby/issues/6388) Recent commit broke my windows build
+- [#6411](https://github.com/mruby/mruby/issues/6411) Wrong function unwinding when using return in a block
+- [#6439](https://github.com/mruby/mruby/issues/6439) OP_JMPUW does not call the ensure block when it jumps to the beginning of the begin block
+- [#6441](https://github.com/mruby/mruby/issues/6441) break inside while loop will execute the ensure block outside of the while loop
+- [#6453](https://github.com/mruby/mruby/issues/6453) Bigint: incorrect behavior of ^ operator
+- [#6452](https://github.com/mruby/mruby/issues/6452) Bigint: weird mod behavior
+- [#6451](https://github.com/mruby/mruby/issues/6451) Bigint: incorrect division behavior
+- [#6456](https://github.com/mruby/mruby/issues/6456) bigint: bug with division of a small number by a bigint
+- [#6466](https://github.com/mruby/mruby/issues/6466) mruby-bin-mruby using Kernel#p and Kernel#print in bintest fails test
+- [#6467](https://github.com/mruby/mruby/issues/6467) Heap-Use-After-Free due to Recursive group_by Calls
+- [#6471](https://github.com/mruby/mruby/issues/6471) Discrepancy in codegen for binary operations between master branch and 3.3.0
+- [#6477](https://github.com/mruby/mruby/issues/6477) heap-buffer-overflow in mrb_vm_exec
+- [#6485](https://github.com/mruby/mruby/issues/6485) Hash#rehash does not check if the hash is frozen
+- [#6483](https://github.com/mruby/mruby/issues/6483) Hash#default_proc= accepts arbitrary objects that are not callable
+- [#6491](https://github.com/mruby/mruby/issues/6491) Destroy existing string literals when composing string literals
 
-# Other breaking changes
+# Merged Pull Requests (User Visible Ones)
 
-- `mrb_f_raise()` is now an internal function
-  ([#5923](https://github.com/mruby/mruby/pull/5923), [#6070](https://github.com/mruby/mruby/pull/6070))
-- `mrb_make_exception()` is now an internal function with different parameters
-  ([431f83e](https://github.com/mruby/mruby/commit/431f83e), [78137f3](https://github.com/mruby/mruby/commit/78137f3))
-- The `File#path` method no longer uses the `#to_path` method for implicit conversion
-  ([d86c4a7](https://github.com/mruby/mruby/commit/d86c4a7))
-- stop mrb isolation for each test file ([a20fbe5](https://github.com/mruby/mruby/commit/a20fbe5))
-- RBreak remembers the CI location ([#6103](https://github.com/mruby/mruby/pull/6103))
-
-# Bugs Fixed
-
-- [#5724](https://github.com/mruby/mruby/issues/5724) Rational#\*\* is missing
-- [#5725](https://github.com/mruby/mruby/issues/5725) weird const_missing exceptions in mrblib code
-- [#5789](https://github.com/mruby/mruby/issues/5789) No memory release of backtrace information due to stack error
-- [#5932](https://github.com/mruby/mruby/issues/5932) How to create a block using the C API? mrb_yield keeps crashing!
-- [#5943](https://github.com/mruby/mruby/issues/5943) TCPSocket#write is failed
-- [#5944](https://github.com/mruby/mruby/issues/5944) Behavior of calling method with a hash variable
-- [#5946](https://github.com/mruby/mruby/pull/5946) Don't switch constant search path from modules to Object
-- [#5949](https://github.com/mruby/mruby/issues/5949) Caller appears to report wrong line when block passed and brackets omitted
-- [0906cd7](https://github.com/mruby/mruby/commit/0906cd7) numeric.c: fix rounding function issues with big numbers
-- [#5974](https://github.com/mruby/mruby/issues/5974) Invalid escape sequences in gem_init.c on windows
-- [#5975](https://github.com/mruby/mruby/issues/5975) Equals comparison fails on extreme ends of 64-bit integers
-- [#5985](https://github.com/mruby/mruby/issues/5985) Sign extension with OP_LOADI32 in get_int_operand()
-- [#5986](https://github.com/mruby/mruby/issues/5986) Fix bugs in String#bytesplice
-- [#5987](https://github.com/mruby/mruby/issues/5987) ~(-1 << 64) is incorrect
-- [#5991](https://github.com/mruby/mruby/issues/5991) 'gets' method not working in mruby-3.2.0
-- [#5994](https://github.com/mruby/mruby/pull/5994) fix typo in mrbgems/mruby-io/src/io.c
-- [#5995](https://github.com/mruby/mruby/issues/5995) One seemingly unnecessary parameter is passed in the block parameters
-- [#6008](https://github.com/mruby/mruby/pull/6008) Make "bintest" independent of directory
-- [b47c8b7](https://github.com/mruby/mruby/commit/b47c8b7) gc.c (clear_all_old): fix a generational GC bug
-- [#6029](https://github.com/mruby/mruby/issues/6029) mruby build fails under mrbgems directory
-- [a264965](https://github.com/mruby/mruby/commit/a264965) mruby-os-memsize/memsize.c: fix irep size calculation
-- [3310e10](https://github.com/mruby/mruby/commit/3310e10) mruby-test/mrbgem.rake: fix mrb_state handling bug
-- [#6041](https://github.com/mruby/mruby/issues/6041) GC Performance may have degraded
-- [#6044](https://github.com/mruby/mruby/issues/6044) Generated presym/table.h contains invalid characters
-- [#6051](https://github.com/mruby/mruby/issues/6051) Null pointer dereference in mrb_addrinfo_unix_path
-- [#6052](https://github.com/mruby/mruby/issues/6052) Null pointer dereference while handling the Proc class
-- [#6055](https://github.com/mruby/mruby/pull/6055) Fix libmruby name for VisualC++
-- [#6060](https://github.com/mruby/mruby/issues/6060) SEGFAULT Issue Related to Fiber Usage in ngx_mruby Development
-- [#6061](https://github.com/mruby/mruby/issues/6061) Performance issue in String#codepoints
-- [#6064](https://github.com/mruby/mruby/issues/6064) MRUBY_PACKAGE_DIR does not always have a value.
-- [#6065](https://github.com/mruby/mruby/issues/6065) Null pointer dereference while handling the Proc class
-- [#6066](https://github.com/mruby/mruby/issues/6066) Null pointer dereference involving Struct.new()
-- [#6067](https://github.com/mruby/mruby/issues/6067) Null pointer dereference in mrb_string_value_cstr
-- [#6068](https://github.com/mruby/mruby/issues/6068) Stack overflow in mrb_vm_exec
-- [#6076](https://github.com/mruby/mruby/pull/6076) Fixed unwinding block that could point to invalid PC
-- [#6084](https://github.com/mruby/mruby/issues/6084) Incorrect symbolic sinks in binary built on Linux
-- [#6087](https://github.com/mruby/mruby/issues/6087) 'Remote branch HEAD not found in upstream origin' error on build
-- [#6089](https://github.com/mruby/mruby/issues/6089) binding.eval() handles def expressions differently from CRuby
-- [#6098](https://github.com/mruby/mruby/issues/6098) Fails to call superclass of wrapped method
-- [#6099](https://github.com/mruby/mruby/issues/6099) `ensure` section is not executed if the function exits via a return in a proc
-- [#6108](https://github.com/mruby/mruby/issues/6108) VM crashes with break
-- [#6118](https://github.com/mruby/mruby/pull/6118) Fixed IO#read with buf
-- [#6120](https://github.com/mruby/mruby/pull/6120) Set EBADF if check_file_descriptor() fails
-- [#6126](https://github.com/mruby/mruby/pull/6126) Fixed return value of `OP_RETURN_BLK` called directly under C function
-- [#6134](https://github.com/mruby/mruby/issues/6134) String#unpack1 returns an array instead of a single string
-- [#6136](https://github.com/mruby/mruby/pull/6136) Fixed when combined `mrb_fiber_resume()` and `Fiber#transfer`
-
-# Pull Requests (User Visible Ones)
-
-- [#5517](https://github.com/mruby/mruby/pull/5517) Fixed local variables not separated between copied binding objects
-- [#5902](https://github.com/mruby/mruby/pull/5902) Replace `MRB_NO_DIRECT_THREADING` with `MRB_USE_VM_SWITCH_DISPATCH`
-- [#5923](https://github.com/mruby/mruby/pull/5923) Demotion `mrb_f_raise()` from `MRB_API`
-- [#5928](https://github.com/mruby/mruby/pull/5928) Improved `rake install`
-- [#5945](https://github.com/mruby/mruby/pull/5945) Avoid exposure for `REnv` objects
-- [#5946](https://github.com/mruby/mruby/pull/5946) Don't switch constant search path from modules to Object
-- [#5966](https://github.com/mruby/mruby/pull/5966) Update default.gembox add mruby debugger mrdb
-- [#5979](https://github.com/mruby/mruby/pull/5979) Allow Class#allocate to be prohibited
-- [#5981](https://github.com/mruby/mruby/pull/5981) `Kernel#binding` responds only to calls from Ruby
-- [#5989](https://github.com/mruby/mruby/pull/5989) Integrate mruby-binding-eval into mruby-eval
-- [#5961](https://github.com/mruby/mruby/pull/5961) Add Docker to build and run all mruby tests. Run pre-commit and generate YARD docs with Docker
-- [#5994](https://github.com/mruby/mruby/pull/5994) fix typo in mrbgems/mruby-io/src/io.c
-- [#6008](https://github.com/mruby/mruby/pull/6008) Make "bintest" independent of directory
-- [#6009](https://github.com/mruby/mruby/pull/6009) Avoid adding <MRUBY_ROOT>/bintest which does not exist
-- [#6011](https://github.com/mruby/mruby/pull/6011) Encode and decode escape characters for presym
-- [#6012](https://github.com/mruby/mruby/pull/6012) Allow tests to be disabled for specific gems; warn about disabled tests
-- [#6013](https://github.com/mruby/mruby/pull/6013) Fix Android toolchain
-- [#6022](https://github.com/mruby/mruby/pull/6022) Build configuration for MS-DOS and DJGPP
-- [#6032](https://github.com/mruby/mruby/pull/6032) Rake: update task clean to remove bin and build folders
-- [#6045](https://github.com/mruby/mruby/pull/6045) Fixes escape sequence bug and enhancements in Presym scanning
-- [#6054](https://github.com/mruby/mruby/pull/6054) Extends `bin/mruby-config`
-- [#6055](https://github.com/mruby/mruby/pull/6055) Fix libmruby name for VisualC++
-- [#6070](https://github.com/mruby/mruby/pull/6070) Demotion mrb_f_raise() in kernel.c from MRB_API too
-- [#6076](https://github.com/mruby/mruby/pull/6076) Fixed unwinding block that could point to invalid PC
-- [#6081](https://github.com/mruby/mruby/pull/6081) Add "x" mode option for IO.open
-- [#6086](https://github.com/mruby/mruby/pull/6086) Add build config for Nintendo Wii
-- [#6097](https://github.com/mruby/mruby/pull/6097) Add a new mrb_fiber_new() with MRB_API
-- [#6103](https://github.com/mruby/mruby/pull/6103) RBreak remembers the CI location
-- [#6105](https://github.com/mruby/mruby/pull/6105) Implement `Fiber#to_s` method
-- [#6106](https://github.com/mruby/mruby/pull/6106) Ease fiber limitations
-- [#6118](https://github.com/mruby/mruby/pull/6118) Fixed IO#read with buf
-- [#6120](https://github.com/mruby/mruby/pull/6120) Set EBADF if check_file_descriptor() fails
-- [#6122](https://github.com/mruby/mruby/pull/6122) Prohibit `Class#allocate` in a different way
-- [#6123](https://github.com/mruby/mruby/pull/6123) Inherit `MRB_FL_UNDEF_ALLOCATE` in subclasses
-- [#6125](https://github.com/mruby/mruby/pull/6125) Allow `OP_RETURN_BLK` to cross C boundaries
-- [#6126](https://github.com/mruby/mruby/pull/6126) Fixed return value of `OP_RETURN_BLK` called directly under C function
-- [#6130](https://github.com/mruby/mruby/pull/6130) `dreamcast_shelf build config`: complete overhaul
-- [#6136](https://github.com/mruby/mruby/pull/6136) Fixed when combined `mrb_fiber_resume()` and `Fiber#transfer`
+- [#6171](https://github.com/mruby/mruby/pull/6171) Add Enumerable::Lazy#grep_v to mruby-enum-lazy
+- [#6174](https://github.com/mruby/mruby/pull/6174) Fix MRUBY_PACKAGE_DIR in mruby-config.bat
+- [#6175](https://github.com/mruby/mruby/pull/6175) Corrected strange conditional in mrb_vm_run()
+- [#6176](https://github.com/mruby/mruby/pull/6176) Stop assuming alias proc in CI_PROC_SET()
+- [#6177](https://github.com/mruby/mruby/pull/6177) gha: add macOS 14 to the build
+- [#6184](https://github.com/mruby/mruby/pull/6184) Remove the L_STOP label
+- [#6185](https://github.com/mruby/mruby/pull/6185) Added mrb_callinfo::u.keep_context for clarity
+- [#6186](https://github.com/mruby/mruby/pull/6186) Omit NULL check of e->cxt in OP_RETURN_BLK
+- [#6191](https://github.com/mruby/mruby/pull/6191) Speed up symbol equality comparison
+- [#6192](https://github.com/mruby/mruby/pull/6192) Fix `OP_STOP` with exception
+- [#6193](https://github.com/mruby/mruby/pull/6193) Fix wrong assertion in `OP_SENDB`.
+- [#6194](https://github.com/mruby/mruby/pull/6194) Simplify the calculation of the number of closures in `MRB_TT_FIBER`
+- [#6197](https://github.com/mruby/mruby/pull/6197) Fix int_xor to call flo_xor.
+- [#6201](https://github.com/mruby/mruby/pull/6201) tasks/doc.rake: standardize the `rake doc` error messages
+- [#6202](https://github.com/mruby/mruby/pull/6202) Remove the `.yardoc` folder with `rake doc:clean:api`
+- [#6204](https://github.com/mruby/mruby/pull/6204) Clean up the `.editorconfig` file
+- [#6209](https://github.com/mruby/mruby/pull/6209) Minor `.gitignore` clean up
+- [#6211](https://github.com/mruby/mruby/pull/6211) Minor `.gitignore` clean up; order entries
+- [#6216](https://github.com/mruby/mruby/pull/6216) Shared empty `iv_tbl` of module
+- [#6217](https://github.com/mruby/mruby/pull/6217) Strict declaration for `mrb_istruct_size()`
+- [#6219](https://github.com/mruby/mruby/pull/6219) Avoid assigning a fixed value in the loop
+- [#6220](https://github.com/mruby/mruby/pull/6220) Reorganize `mrb_cache_entry` and `mrb_method_t` types
+- [#6221](https://github.com/mruby/mruby/pull/6221) Arranging `each_backtrace()`
+- [#6222](https://github.com/mruby/mruby/pull/6222) Need to synchronize `dbg->regs` after VM call in `mrdb`
+- [#6224](https://github.com/mruby/mruby/pull/6224) `mrb_env_unshare()` to break the link to fiber
+- [#6225](https://github.com/mruby/mruby/pull/6225) Revert "Adjust environment when `mrb_exec_irep` happened."
+- [#6227](https://github.com/mruby/mruby/pull/6227) fix: `Array#shuffle(!)` result distribution
+- [#6228](https://github.com/mruby/mruby/pull/6228) Revert "`env` referred from top-level callinfo should not be unshared; fix #4019"
+- [#6230](https://github.com/mruby/mruby/pull/6230) Fix status of fiber after switched by exception raised
+- [#6231](https://github.com/mruby/mruby/pull/6231) Add a way to let other gems handle closing of fds in mruby-io
+- [#6232](https://github.com/mruby/mruby/pull/6232) Fold the code for freeing `env`
+- [#6233](https://github.com/mruby/mruby/pull/6233) Free stack memory at end of fiber
+- [#6235](https://github.com/mruby/mruby/pull/6235) fix `Array#delete` always firing the block when deleting `nil`
+- [#6236](https://github.com/mruby/mruby/pull/6236) unify the code for filter methods (and speed up `#reject!`)
+- [#6237](https://github.com/mruby/mruby/pull/6237) Stricter env objects to attach to ci
+- [#6238](https://github.com/mruby/mruby/pull/6238) Minimize zero initialization of the stack
+- [#6243](https://github.com/mruby/mruby/pull/6243) Fixed base64 decoding in `mruby-pack`
+- [#6244](https://github.com/mruby/mruby/pull/6244) Revise scope of role of `mrb_vm_run()`
+- [#6246](https://github.com/mruby/mruby/pull/6246) Fix typo in `test/t/hash.rb`
+- [#6249](https://github.com/mruby/mruby/pull/6249) Fix grammar in `src/vm.c`; `catched` -> `caught`
+- [#6250](https://github.com/mruby/mruby/pull/6250) Fix spelling
+- [#6251](https://github.com/mruby/mruby/pull/6251) Clean up root move `CODEOWNERS` to `.github` directory
+- [#6253](https://github.com/mruby/mruby/pull/6253) Allow recycling fibers by GC if not referenced directly
+- [#6256](https://github.com/mruby/mruby/pull/6256) Update documentation for `mrb_top_run()`
+- [#6257](https://github.com/mruby/mruby/pull/6257) fix some mrbconf.md typos
+- [#6260](https://github.com/mruby/mruby/pull/6260) Remove `exc_caught` from `mrb_vm_exec()`
+- [#6261](https://github.com/mruby/mruby/pull/6261) fix: `to_a` integer ranges with `begin > end` failing
+- [#6263](https://github.com/mruby/mruby/pull/6263) fix: `Array#delete` mistakenly calling block even if not passed
+- [#6264](https://github.com/mruby/mruby/pull/6264) Must pass keyword arguments for `Kernel#to_enum`
+- [#6265](https://github.com/mruby/mruby/pull/6265) Fixes `Dir.children` and `Dir.each_child`
+- [#6266](https://github.com/mruby/mruby/pull/6266) Passes the nonexistent key as a block argument in `Array#delete`
+- [#6273](https://github.com/mruby/mruby/pull/6273) Improvements to `mrb_protect_atexit()`
+- [#6275](https://github.com/mruby/mruby/pull/6275) Fixed `Binding#eval` that failed to assign to the same variable
+- [#6276](https://github.com/mruby/mruby/pull/6276) Always run `atexit` on the top-level call frame
+- [#6279](https://github.com/mruby/mruby/pull/6279) Include headers for malloc() explicitly; fix #6277
+- [#6280](https://github.com/mruby/mruby/pull/6280) Remove `MRB_ENV_CLOSED` flag
+- [#6281](https://github.com/mruby/mruby/pull/6281) Fixes local variables in `mruby-binding`.
+- [#6283](https://github.com/mruby/mruby/pull/6283) Simplify `uvenv()`
+- [#6288](https://github.com/mruby/mruby/pull/6288) Detach `env` of ci explicitly on atexit
+- [#6289](https://github.com/mruby/mruby/pull/6289) Simplify `OP_RETURN_BLK` and `OP_BREAK`
+- [#6290](https://github.com/mruby/mruby/pull/6290) Allow to change the output directory name of the `libmruby` file
+- [#6293](https://github.com/mruby/mruby/pull/6293) Changed the instruction table in `opcode.md`
+- [#6294](https://github.com/mruby/mruby/pull/6294) Optimise `mrb_iv_get`
+- [#6302](https://github.com/mruby/mruby/pull/6302) Minor cleanup in mrb_str_init
+- [#6303](https://github.com/mruby/mruby/pull/6303) mrb_str_aset_m() should return replace instead of str
+- [#6305](https://github.com/mruby/mruby/pull/6305) Protect keyword arguments in `prepare_missing()`
+- [#6308](https://github.com/mruby/mruby/pull/6308) Assume that `MRB_CATCH()` has `mrb->exc` set
+- [#6310](https://github.com/mruby/mruby/pull/6310) Doubling the call stack when extending it
+- [#6311](https://github.com/mruby/mruby/pull/6311) Added fast-path for positional arguments less than 15 in `OP_SEND`
+- [#6312](https://github.com/mruby/mruby/pull/6312) Omit error checking at `OP_RETURN`, `OP_RETURN_BLK` and `OP_BREAK`
+- [#6313](https://github.com/mruby/mruby/pull/6313) Fix wrong column number in opcode.md
+- [#6314](https://github.com/mruby/mruby/pull/6314) Optimize even?/odd? for big integers
+- [#6318](https://github.com/mruby/mruby/pull/6318) Shrink variables in `mrb_vm_exec()`
+- [#6320](https://github.com/mruby/mruby/pull/6320) Shrinking the code in `OP_BREAK` and `OP_RETURN_BLK`
+- [#6321](https://github.com/mruby/mruby/pull/6321) Avoid warnings in `lib/**/*.rb`
+- [#6322](https://github.com/mruby/mruby/pull/6322) Fix mrb_ro_data_p on Intel Mac
+- [#6324](https://github.com/mruby/mruby/pull/6324) Remove `localjump_error()`
+- [#6327](https://github.com/mruby/mruby/pull/6327) fix ncurses linking issues
+- [#6328](https://github.com/mruby/mruby/pull/6328) Fix use-after-free in `obj_free()` for env objects
+- [#6329](https://github.com/mruby/mruby/pull/6329) Fix use-after-free in `mrb_obj_alloc()`
+- [#6330](https://github.com/mruby/mruby/pull/6330) Add a precondition to call `mrb_env_unshare()`.
+- [#6331](https://github.com/mruby/mruby/pull/6331) Restore the GC arena with tests
+- [#6332](https://github.com/mruby/mruby/pull/6332) Must not depend on the “host” build to generate `mruby-compiler/core/y.tab.c`
+- [#6333](https://github.com/mruby/mruby/pull/6333) Reduce the number of branch instructions in the `heap_p()`
+- [#6335](https://github.com/mruby/mruby/pull/6335) Add `return_ci` in `CHECKPOINT_MAIN()` of `OP_RETURN`
+- [#6338](https://github.com/mruby/mruby/pull/6338) Need to place static proc objects into 8-byte alignments
+- [#6340](https://github.com/mruby/mruby/pull/6340) Fix use-after-free for `Array#<=>`
+- [#6341](https://github.com/mruby/mruby/pull/6341) Need to restore the GC arena after some function calls
+- [#6344](https://github.com/mruby/mruby/pull/6344) prefer using `mrb_yield` to call block arguments
+- [#6347](https://github.com/mruby/mruby/pull/6347) codegen.c,parse.y: remove flattening of `yield` arguments; fix #6346
+- [#6348](https://github.com/mruby/mruby/pull/6348) Cancel the warning disablement
+- [#6349](https://github.com/mruby/mruby/pull/6349) Perform GC before deleting directories
+- [#6350](https://github.com/mruby/mruby/pull/6350) Fixed character encoding conversion function mismatch
+- [#6351](https://github.com/mruby/mruby/pull/6351) Remove unnecessary `mrb_gc_arena_restore()`
+- [#6353](https://github.com/mruby/mruby/pull/6353) Fix use-after-free in `mrb_ary_delete()`
+- [#6356](https://github.com/mruby/mruby/pull/6356) Making splat argument objects invisible from Ruby side
+- [#6373](https://github.com/mruby/mruby/pull/6373) Add build config for Milk-V Duo (RISC-V Linux) board
+- [#6382](https://github.com/mruby/mruby/pull/6382) Make array objects invisible in `mrb_gc_register()`
+- [#6385](https://github.com/mruby/mruby/pull/6385) Small improvements for `mrb_gc_register()`
+- [#6386](https://github.com/mruby/mruby/pull/6386) Avoid calling `mrb_gv_set()` from `mrb_gc_unregister()`
+- [#6387](https://github.com/mruby/mruby/pull/6387) Small improvements for `mrb_gc_unregister()`
+- [#6390](https://github.com/mruby/mruby/pull/6390) Fix use-after-free by `mrb_gc_unregistor()`
+- [#6391](https://github.com/mruby/mruby/pull/6391) Fixed argument forwarding in `instance_exec`
+- [#6392](https://github.com/mruby/mruby/pull/6392) Fix argument forwarding in `mrb_exec_irep()`
+- [#6393](https://github.com/mruby/mruby/pull/6393) Follow-up to #6391
+- [#6395](https://github.com/mruby/mruby/pull/6395) Storing method-id inside Symbol#to_proc
+- [#6396](https://github.com/mruby/mruby/pull/6396) Milk-V Build Config: update GPIO gem URL
+- [#6397](https://github.com/mruby/mruby/pull/6397) boxing_no.h: rename BOXNIX_SET_VALUE -> BOXNO_SET_VALUE
+- [#6399](https://github.com/mruby/mruby/pull/6399) Add macOS 15 to the build
+- [#6405](https://github.com/mruby/mruby/pull/6405) `io_read`: use `%i` instead of `%d` in call to `mrb_raisef`
+- [#6407](https://github.com/mruby/mruby/pull/6407) Allow to exclude specific files in `rake install`
+- [#6408](https://github.com/mruby/mruby/pull/6408) Improve compliance with C++ standards
+- [#6410](https://github.com/mruby/mruby/pull/6410) Put `#include <stdlib.h>` in `parse.y`
+- [#6412](https://github.com/mruby/mruby/pull/6412) Distinguish the call frame of the generator with `OP_RETURN_BLK`
+- [#6413](https://github.com/mruby/mruby/pull/6413) Add links to documentation in `README.md`
+- [#6415](https://github.com/mruby/mruby/pull/6415) Fix numbered parameters when used as a singleton
+- [#6416](https://github.com/mruby/mruby/pull/6416) Optimize the "new" method's iseq
+- [#6419](https://github.com/mruby/mruby/pull/6419) Follow Ruby's behavior for numbered parameters in -> {}
+- [#6420](https://github.com/mruby/mruby/pull/6420) Update `labeler.yml`: add label for the `tools` directory
+- [#6422](https://github.com/mruby/mruby/pull/6422) Add annotations for function names defined in the preprocessor
+- [#6423](https://github.com/mruby/mruby/pull/6423) Adding a serialized test task
+- [#6427](https://github.com/mruby/mruby/pull/6427) Need to update `ci` variable after re-entry to VM
+- [#6428](https://github.com/mruby/mruby/pull/6428) Change the limits of OP_ADDI and OP_SUBI from 0-127 to 0-255.
+- [#6429](https://github.com/mruby/mruby/pull/6429) Fix numbered parameters when used as hash keys
+- [#6432](https://github.com/mruby/mruby/pull/6432) Moving code in macro arguments out of macros
+- [#6434](https://github.com/mruby/mruby/pull/6434) Added document "Layout of the mruby filesystem"
+- [#6436](https://github.com/mruby/mruby/pull/6436) Make `rake doc:update-index` prettier friendly
+- [#6437](https://github.com/mruby/mruby/pull/6437) Add more details to the pre-commit config
+- [#6438](https://github.com/mruby/mruby/pull/6438) Remove unused `MRuby::Build#list_install_excludes` method
+- [#6440](https://github.com/mruby/mruby/pull/6440) Fix `redo` keyword
+- [#6442](https://github.com/mruby/mruby/pull/6442) Fixed wrong range condition in `OP_JMPUW`
+- [#6443](https://github.com/mruby/mruby/pull/6443) Fix NODE_NEGATE for bigints
+- [#6444](https://github.com/mruby/mruby/pull/6444) Add test cases for bigints
+- [#6446](https://github.com/mruby/mruby/pull/6446) Omit the `_WIN64` definition check
+- [#6447](https://github.com/mruby/mruby/pull/6447) Fixed `File.expand_path`
+- [#6448](https://github.com/mruby/mruby/pull/6448) Suppress presym in `mruby/ext/io.h` file
+- [#6449](https://github.com/mruby/mruby/pull/6449) Using presym in the `mruby-io/src/file_test.c` file
+- [#6450](https://github.com/mruby/mruby/pull/6450) Change `MRB_WITH_IO_PREAD_PWRITE` configuration name
+- [#6454](https://github.com/mruby/mruby/pull/6454) mruby-bigint: handle rhs bigint in int_mod and int_divmod functions
+- [#6455](https://github.com/mruby/mruby/pull/6455) mruby-bigint: fix rounding behavior in mpz_mdiv and mpz_mdivmod functions
+- [#6457](https://github.com/mruby/mruby/pull/6457) bigint: fix bug with division of a small number by a bigint
+- [#6459](https://github.com/mruby/mruby/pull/6459) `FileTest` is a module
+- [#6461](https://github.com/mruby/mruby/pull/6461) To create a release package file in draft
+- [#6462](https://github.com/mruby/mruby/pull/6462) Properly cast the return value of `memchr()`
+- [#6463](https://github.com/mruby/mruby/pull/6463) Add `level` argument to `File.dirname`
+- [#6465](https://github.com/mruby/mruby/pull/6465) Add initial playstation portable crossbuild support
+- [#6468](https://github.com/mruby/mruby/pull/6468) Fixed missing changes to `IB_FIND_BY_KEY()` parameter names
+- [#6469](https://github.com/mruby/mruby/pull/6469) Add more `const` qualifier for `RProc`
+- [#6472](https://github.com/mruby/mruby/pull/6472) Moved tests for `Integer#quo`
+- [#6473](https://github.com/mruby/mruby/pull/6473) Hide `mpz_and()` symbol
+- [#6473](https://github.com/mruby/mruby/pull/6473) Hide mpz_and() symbol
+- [#6474](https://github.com/mruby/mruby/pull/6474) Avoid array object creation with “unknown keyword” error
+- [#6475](https://github.com/mruby/mruby/pull/6475) Don't include deleted mruby-print
+- [#6478](https://github.com/mruby/mruby/pull/6478) Fixed buffer overrun in function `chars2bytes()`
+- [#6479](https://github.com/mruby/mruby/pull/6479) Reimplementation of `File.expand_path` method
+- [#6482](https://github.com/mruby/mruby/pull/6482) Add `File.absolute_path?` method
+- [#6487](https://github.com/mruby/mruby/pull/6487) Add Emscripten toolchain & build_config

README.md

@@ -30,12 +30,10 @@ of the Ministry of Economy, Trade and Industry of Japan.
 
 ## How to get mruby
 
-To get mruby, you can download the stable version 3.3.0 from the official mruby
+To get mruby, you can download the stable version 3.4.0 from the official mruby
 GitHub repository or clone the trunk of the mruby source tree with the "git
 clone" command. You can also install and compile mruby using [ruby-install](https://github.com/postmodern/ruby-install), [ruby-build](https://github.com/rbenv/ruby-build) or [rvm](https://github.com/rvm/rvm).
 
-The release candidate version 3.4.0 of mruby can be downloaded via the following URL: [https://github.com/mruby/mruby/archive/3.4.0-rc2.zip](https://github.com/mruby/mruby/archive/3.4.0-rc2.zip)
-
 The latest development version of mruby can be downloaded via the following URL: [https://github.com/mruby/mruby/zipball/master](https://github.com/mruby/mruby/zipball/master)
 
 The trunk of the mruby source tree can be checked out with the

doc/guides/debugger.md

@@ -40,7 +40,7 @@ To confirm mrdb was installed properly, run mrdb with the `--version` option:
 
 ```bash
 $ mrdb --version
-mruby 3.3.0 (2024-02-14)
+mruby 3.4.0 (2025-04-20)
 ```
 
 ## 2.2 Basic Operation

include/mruby/version.h

@@ -57,7 +57,7 @@ MRB_BEGIN_DECL
 /*
  * Patch level string. (optional)
  */
-#define MRUBY_PATCHLEVEL_STR "RC2"
+#define MRUBY_PATCHLEVEL_STR ""
 
 #ifndef MRUBY_PATCHLEVEL_STR
 # if MRUBY_PATCHLEVEL < 0
@@ -85,12 +85,12 @@ MRB_BEGIN_DECL
 /*
  * Release month.
  */
-#define MRUBY_RELEASE_MONTH 3
+#define MRUBY_RELEASE_MONTH 4
 
 /*
  * Release day.
  */
-#define MRUBY_RELEASE_DAY 17
+#define MRUBY_RELEASE_DAY 20
 
 /*
  * Release date as a string.