0.042 2025-01-10
  [Requirement Changes]
    * Require SPVM 0.990038.
  [Changes]
    * Set is_resource field to 1.
0.041 2023-05-03
  [New Features]
    * The version string can be got.
0.04 2023-04-05
  [Prerequirement Change]
    * SPVM 0.9701 is required.
  [License Change]
    * The license is changed to MIT License.
0.03 2023-03-03
  [Document Improvement]
    * Document is improved.
    * Added -pthread linker option to document .
  [Changes]
    * Added -pthread compiler option.
    * Use new_cpp11 instead of new_gnu11.
  [Test Improvement]
    * Added -pthread linker option to test.
0.02 2023-03-01
  [Document Fix]
    * Fixed "Required Libraries" in the doc.
    
      # Windows
      if ($^O eq 'MSWin32') {
        $config->add_static_libs('stdc++', 'winpthread', 'gcc');
      }
      # Linux/Unix, Mac, etc
      else {
        $config->add_libs('stdc++');
      }
  [Test Fix]
    * Fixed the config file of the tests.
    
      # Windows
      if ($^O eq 'MSWin32') {
        $config->add_static_libs('stdc++', 'winpthread', 'gcc');
      }
      # Linux/Unix, Mac, etc
      else {
        $config->add_libs('stdc++');
      }
      
0.01 2023-02-28
  
  * First release