What Is New for Perl

The Perl v5.30.1 release document details various updates, including a module upgrade for Module::CoreList, configuration changes for the "ECHO" macro to improve compatibility, and platform-specific fixes for Win32 locale tests. It highlights several selected bug fixes, such as corrected supplementary group ID setting and improved signal handler recovery. The document also provides information on reporting bugs, acknowledging contributors, and instructions on how to use the "perlthanks" program.