prepare 3.0.0RC1

* Add support for PHP-8.1 Enums
  * merges msgpack#173
  * fixes msgpack#171
* Add support for APCu
  * merges msgpack#162, msgpack#93
* Add OPT_ASSOC for roundtrip serialization of map.
  * merges msgpack#58

release v2.2.0

No changes from RC2.
* RC2:
  * Fix PHP-8.2 compatibility (see gh issue msgpack#165)
* RC1:
  * Fix PHP-8.1 compatibility (see gh issues msgpack#161, msgpack#157, and msgpack#156)
  * Add support for ZEND_ACC_NOT_SERIALIZABLE and magic __{,un}serialize

release 2.2.0RC2

* Fixed PHP-8.2 compatibility (see gh issue msgpack#165)

RC1:
* Fixed PHP-8.1 compatibility (see gh issues msgpack#161, msgpack#157, and msgpack#156)
* Added support for ZEND_ACC_NOT_SERIALIZABLE and magic __{,un}serialize

release 2.2.0RC1

* Fixed PHP-8.1 compatibility (see gh issues msgpack#161, msgpack#157, and msgpack#156)
* Added support for ZEND_ACC_NOT_SERIALIZABLE and magic __{,un}serialize

release 2.1.2

* PHP-8 compatibility. (Remi Collet, Michael Wallner)
* Fixed msgpack#152: Split tests for msgpack#67 regarding 32/64bit platforms. (Andy Postnikov)
* Fixed msgpack#153 and msgpack#147: Small string optimization causes excessive memory
  consumption under specific workloads. (Michael Wallner)

release 2.1.1

* Fixed issue msgpack#149: msgpack unpack error

release 2.1.0

+ Improved performance
+ Upgraded bundled msgpack headers to 3.2.0
* Merged PR msgpack#101: Update README in order to match compatibile PHP version
* Merged PR msgpack#125: fix ce->name is a zend_string
* Merged PR msgpack#106: Update README
* Merged PR msgpack#126: add mising tests in archive
* Merged PR msgpack#135: Add fixes for issue msgpack#81 This also includes tests.
* Merged PR msgpack#143: Fixed build with PHP-7.4
* Fixed issue msgpack#139: Segmentation fault when using cloned unpacker
* Fixed issue msgpack#132: Segfault on session php7.3
* Fixed issue msgpack#107: $unpacker->execute() bug
* Fixed issue msgpack#83: Arrays and negative index
* Fixed issue msgpack#137: DateTime(Immutable) serialization doesn't work with php 7.4 RC1
* Fixed issue msgpack#105: MessagePackUnpacker() bug
* Fixed issue msgpack#90: msgpack_unpack is super slow (30x times igbinary) on big data sets
* Fixed issue msgpack#91: Private property in base class
* Fixed issue msgpack#67: Integer overflow on a 64-bit system
* Fixed issue msgpack#33: int64 and uint64 decode is not supported in 32-bit php
* Fixed issue msgpack#119: uint64 numbers are cast to uint on Windows
* Fixed issue msgpack#134: msgpack-php msgpack_serialize/msgpack_pack not handling properly large int
* Fixed issue msgpack#81: Serialize optimization
* Fixed issue msgpack#108: tests/041.phpt failure
* Fixed issue msgpack#142: Recursion encoded as NULL
* Fixed issue msgpack#138: Serializers comparison for session like data

release 2.1.0beta1

+ Improved performance
+ Upgraded bundled msgpack headers to 3.2.0
* Merged PR msgpack#101: Update README in order to match compatibile PHP version
* Merged PR msgpack#125: fix ce->name is a zend_string
* Merged PR msgpack#106: Update README
* Merged PR msgpack#126: add mising tests in archive
* Merged PR msgpack#135: Add fixes for issue msgpack#81 This also includes tests.
* Merged PR msgpack#143: Fixed build with PHP-7.4
* Fixed issue msgpack#139: Segmentation fault when using cloned unpacker
* Fixed issue msgpack#132: Segfault on session php7.3
* Fixed issue msgpack#107: $unpacker->execute() bug
* Fixed issue msgpack#83: Arrays and negative index
* Fixed issue msgpack#137: DateTime(Immutable) serialization doesn't work with php 7.4 RC1
* Fixed issue msgpack#105: MessagePackUnpacker() bug
* Fixed issue msgpack#90: msgpack_unpack is super slow (30x times igbinary) on big data sets
* Fixed issue msgpack#91: Private property in base class
* Fixed issue msgpack#67: Integer overflow on a 64-bit system
* Fixed issue msgpack#33: int64 and uint64 decode is not supported in 32-bit php
* Fixed issue msgpack#119: uint64 numbers are cast to uint on Windows
* Fixed issue msgpack#134: msgpack-php msgpack_serialize/msgpack_pack not handling properly large int
* Fixed issue msgpack#81: Serialize optimization
* Fixed issue msgpack#108: tests/041.phpt failure
* Fixed issue msgpack#142: Recursion encoded as NULL
* Fixed issue msgpack#138: Serializers comparison for session like data

Releasing 2.0.3

prepare for 2.0.2