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ChangeLog
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2025-02-06 1.8.0
* Numerous small optimizations.
* Added `key_cache` option to `Unpacker`.
2024-11-11 1.7.5
* Rerelease 1.7.4 with fixed java package.
2024-11-11 1.7.4
* Fixed a potental memory leak when recursive unpacker raise.
2024-10-03 1.7.3
* Limit initial containers pre-allocation to `SHRT_MAX` (32k) entries.
2023-07-18 1.7.2:
* Fix a potential GC bug when packing data using recursive extensions and buffers containing over 512KkiB of data (See #341).
* Fix a regression where feeding an empty string to an Unpacker would be considered like the end of the buffer.
2023-05-19 1.7.1:
* Fix JRuby 9.4 compatibility.
* Fix compilation on older compilers (gcc 4.x).
* Fix an infinite recursion issue when registering a Symbol type with a `nil` packer.
2023-03-29 1.7.0:
* Fix a possible double-free issue when GC triggers inside `_msgpack_rmem_alloc2`.
* `Unpacker#feed` now always directly read in provided strings instead of copying content in its buffer.
* `Unpacker#feed` is now an alias of `Unpacker#feed_reference`.
* Implement `Factory::Pool#unpacker` and `Factory::Pool#packer` to allow for more precise serialization.
* Require Ruby 2.5+.
2023-03-03 1.6.1:
* Undefine `#clone` and `#dup` on `MessagePack::Buffer`, `MessagePack::Packer` and `MessagePack::Unpacker`.
These methods were never intended, and using them could cause leaks or crashes or worse.
* Fix a possible GC crash when GC trigger inside `MessagePack::Buffer.new` (#314).
2022-09-30 1.6.0:
* Fix a potential use-after-free bug in Buffer_free when accessing a packer or unpacker buffer.
* `old-style-definition` compilation warnings.
* Restore zero-copy buffer feed when provided a Ruby string. This was accidentally broken in 1.5.4.
* Provide implementations for `ObjectSpace.memsize`. Message pack objects now properly report their size to Ruby.
* Fix an endianess bug on Windows platform.
2022-08-23 1.5.6:
* No actual code change, just re-release the `java` version properly.
2022-08-22 1.5.5:
* Fix a segfault when GC triggers inside a recursive extension.
2022-07-25 1.5.4:
* Fix a segfault when deserializing empty symbol (`:""`).
* Improve compilation flags to not strip debug symbols.
2022-05-30 version 1.5.3:
* Fix deduplication of empty strings when using the `freeze: true` option.
* Use `rb_hash_new_capa` when available (Ruby 3.2) for improved performance when parsing large hashes.
2022-05-27 version 1.5.2:
* Fix bug about unpacking ext type objects with the recursive option
2022-04-07 version 1.5.1:
* Fix bug about packing/unpacking ext type objects with the recursive option
2022-04-06 version 1.5.0:
* Add recursive option on Factory#register_type to operate Packer/Unpacker manually
* Add oversized_integer_extension option on Factory#register_type to pack/unpack bigint using ext types
* Add Factory#pool method and Factory::Pool class to provide pooled Packer and Unpacker instances
2022-02-15 version 1.4.5:
* Fix to create UTF-8 Symbol keys when symbolize_keys: true
* Fix to assume Symbols as US-ASCII or UTF-8
* Optimize Packer/Unpacker initialization
* Optimize extension class lookup
* Rename Packer#clear as Packer#reset (#clear is still available as an alias)
2022-01-22 version 1.4.4:
* Specify the build option --platform=8 for older Java platforms
2022-01-20 version 1.4.3:
* Optimize serialization/deserialization of Symbols
* Support registering ext types for objects of subclasses of primitive types (like Hash)
* Add optimized_symbols_parsing option to Factory#register_type on MRI implementation
* Optimize to deduplicate Hash keys on JRuby
* Support JRuby 9.3 (and drop 9.1)
2021-02-01 version 1.4.2:
* Add the required Ruby version (>= 2.4) to avoid compilation errors on older Ruby runtimes
* Drop the support of old Ruby versions explicitly (1.8, 1.9, 2.0, 2.1, 2.2, 2.3)
2021-01-27 version 1.4.1:
* Bugfix about the wrong string encoding longer than 256 bytes (#200)
2021-01-27 version 1.4.0:
* Introduce the optimization to use frozen/deduped keys for map objects
* Stop releasing fat gem (pre-built binaries) for mswin32 arch environments
2020-02-05 version 1.3.3:
* Hotfix release for Windows environments: 1.3.2 missed including binaries
2020-02-04 version 1.3.2:
* Add Ruby 2.7.0 binary in gem releases for Windows
2019-08-05 version 1.3.1:
* Fix timestamp ext type bug about timestamps with seconds larger than 32bit int (after 2106-02-07 06:28:16 UTC)
2019-06-20 verison 1.3.0:
* Add timestamp ext type (id:-1) support
2019-04-19 version 1.2.10:
* Optimze MessagePack.unpack not to copy source string
2019-03-13 version 1.2.9:
* Hotfix release only for JRuby: 1.2.8-java was built incorrectly
2019-03-11 version 1.2.8:
* Fix a regression that MessagePack#unpack raises error if IO is assigned as the (only) argument
* Improve compatibility that MessagePack#pack returns nil if IO is assigned as 2nd argument
2019-03-01 version 1.2.7:
* Add Packer#write_bin and Packer#write_bin_header methods
2019-01-08 verison 1.2.6:
* Update Ruby version 2.6 dependency (especially for Windows environment)
* (version 1.2.4 and 1.2.5 were also releases for updated Ruby versions)
2018-03-02 version 1.2.3:
* Add Ruby 2.5.0 binary in gem releases for Windows
2018-01-11 version 1.2.2:
* Fix bug to occur SEGV occasionally (depends on GC timing) when exttype is used
* Fix bug to encode an ext type with wrong type id if superclass is also registered as ext type
2017-12-08 version 1.2.1:
* Hotfix release only for JRuby: 1.2.0-java was built in incorrect way
2017-12-07 version 1.2.0:
* Add MessagePack::Factory#dump and MessagePack::Factory#load as convenient methods
like MessagePack.dump and MessagePack.load
* Fix bug to accept MessagePack::Factory#register_type after #freeze
2017-02-28 version 1.1.0:
* Fix the extension type handling to accept modules in addition to classes
2017-01-24 version 1.0.3:
* Support Ruby 2.4
2016-10-17 version 1.0.2:
* Bump version up to release newer version to fix broken gem release for JRuby
2016-10-17 version 1.0.1:
* Fix a bug to crash at packer when ext type is registered for superclass of packed object
* Fix JRuby implementation about inconsistent API of Unpacker constructor
2016-07-08 version 1.0.0:
* Fix to be able to pack Symbol with ext types
* Fix for MRI 2.4 (Integer unification)
2016-05-10 version 0.7.6:
* Fix bug to raise IndexOutOfBoundsException for Bignum value with small int in JRuby
2016-04-06 version 0.7.5:
* Improved support for i386/armel/armhf environments
* Fix bug for negative ext type id and some architectures (arm*)
2016-01-08 version 0.7.4:
* Improved compatibility of Packer between CRuby and JRuby about argument IO-ish object values.
2016-01-07 version 0.7.3:
* Add Packer#write_float32 method to pack floating point numbers into FLOAT of messagepack.
2016-01-06 version 0.7.2:
* Improved compatibility of Unpacker between CRuby and JRuby to accept stream-like object
by checking respond_to(:read) in addition to class check
2015-11-20 version 0.7.1:
* Fixed bug to pack/unpack ext type objects larger than 256bytes incorrectly.
2015-10-24 version 0.7.0:
* Add extension types support.
* Fix to share almost all test cases between CRuby and JRuby implementations.
* Fixed JRuby implementation to raise UnknownExtTypeError for unregistered ext type ids
instead to generate MessagePack::ExtensionValue instances.
(Specify `allow_unknown_ext: true` as unpacker option for v0.6.x behavior.)
2015-07-22 version 0.6.2:
* Fix release workflow: Ruby 2.1 and 2.2 are supported for Windows (2.0 is omitted)
* Fix to encode symbols along its encoding
* Fix segmentation fault in minor case
2015-07-01 version 0.6.1:
* Added :compatibility_mode option to Packer#initialize. Default is false. If it
is set to true, str8 format and bin format family will not be used.
2015-05-26 version 0.6.0:
* Added support for Binary types
* Fixed to encode/decode between Binary types and ASCII-8BIT Ruby String objects
2015-05-21 version 0.5.12:
* Added support for JRuby 9K.
* Added a benchmarking suite.
* Fixed a bug in the handling of options given to MessagePack.unpack in JRuby.
2015-02-04 version 0.5.11:
* Fixed Encoding::CompatibilityError error when serializing a long string
longer than write_reference_threshold (5KB by default) and whose encoding
is not ASCII-8BIT.
* Fix read_(map|array)_header (@funny-falcon++).
* Internally, rename msgpack_unpacker_{init,reset,destroy} functions
so that we can load msgpack-c in the same process (@miihael++)
2015-01-09 version 0.5.10:
* Merged msgpack-jruby by @iconara. JRuby can run `require 'msgpack'` to use
msgpack-jruby.
2014-10-05 version 0.5.9:
* Fixed Unpacker#read_map_header and #read_array_header
* Added support for Symbol GC added since MRI 2.2.0
2013-12-14 version 0.5.8:
* Fixed compatibility with Ruby 2.1.0
* Added :symbolize_keys option to MessagePack.load and Unpacker#initialize
2013-10-12 version 0.5.7:
* Added deserialization support for the new MessagePack spec
2013-09-23 version 0.5.6:
* Fixed "can't modify frozen String" exception in Unpacker with ruby 2.1.0-dev
* Getting work with Ruby v2.0 on Windows (Thank you @thegreendroid)
* Fixed EOFError handling in Unpacker
2013-05-12 version 0.5.5:
* Fixed SEGV problem in to_msgpack
* Fixed a possible race condition in MessagePack.load when it loads data from IO
* mingw32 package includes binary for ruby-2.0.0
2013-03-15 version 0.5.4:
* Added missing MessagePack::Unpacker#reset method
2013-02-14 version 0.5.3:
* Fixed segfault problem on Buffer#clear (reuse rmem internal fragment optimization)
* Fixed segfault problem on Buffer (rmem free code)
2013-02-07 version 0.5.2:
* Fixed invalid pack/unpack on 32bit architecture such as Win32
* Disable rmem on Rubinius because rmem is not thread safe
2012-12-23 version 0.5.1:
* Fixed compile error with Rubinius 2.0.0-dev
* Optimized msgpack_packer_write_hash for Rubinius
2012-12-20 version 0.5.0:
* Rewrote all code and improved performance significantly
* Added MessagePack::Buffer class
* Added MessagePack::Packer class
* Added Packer#buffer and Unpacker#buffer accessors which return MessagePack::Buffer
* Added Packer#write_{array,map}_header and Unpacker#read_{array,map}_header methods
* Added Packer#write_nil and Unpacker#skip_nil methods
* Added Packer#write -> #pack alias and Unpacker#read method
* Added exception classes - UnpackError, MalformedFormatError, StackError and TypeError
* Added MessagePack.dup -> .pack and MessagePack.load -> .unpack aliases
* Added Packer#empty?, #size and #clear methods
* Added Packer#write_to(io) method to flush serialized data to IO efficiently
* Added Unpacker#skip method to skip an object efficiently
* Removed obsoleted Unpacker#fill, #execute, #execute_limit, #finished? and #data methods
* Removed obsoleted Unapcker#stream and #stream= methods. Use unpacker.buffer.io instead
2012-05-05 version 0.4.7:
* Fixed serialization of double values on ARM OABI architectures
* Fixed byteorder problem on big-endian platforms
* Don't use MRI internals in the Ruby extension for Rubinius
* Detect whether st.h is present and don't use RUBY_VM as the condition for
Rubinius
2011-08-08 version 0.4.6:
* Fixed compile error problem on Mac OS X Lion
2011-05-09 version 0.4.5:
* Improves compatibility with JRuby
2010-11-28 version 0.4.4:
* Adds Unpacker#feed_each method
* Improves compatibility with Rubinius
* Improves compatibility with ruby-1.8.5
* Encodings of String instances to UTF-8 on Ruby 1.9
2010-06-29 version 0.4.3:
* Adds MessagePack::VERSION constant
* Fixes SEGV problem caused by GC bug at MessagePack_Unpacker_mark