The Lyon Compromise on Perl version formats
I fixed some tests in Module::Release because I supported v-strings and dev versions at the same time. Even though I don't use v-strings, the module would recognize v1.2.3_1. Andreas caught this because he does this amazing work to test CPAN breakage. John Peacock noted that version changed due to the "Lyon Compromise" from the 2014 Perl QA Hackathon. I know about the
I'm the author of Mastering Perl, and the co-author of Learning Perl (6th Edition), Intermediate Perl, Programming Perl (4th Edition) and Effective Perl Programming (2nd Edition).