windows 7 
strawberry perl portable 5.24.1 
PATH=C:\ulisse\perl5.24-64b\perl\site\bin;C:\ulisse\perl5.24-64b\perl\bin;C:\ulisse\perl5.24-64b\c\bin;C:\ulisse\bin\UnxUtils\usr\local\wbin;C:\Windows;C:\Windows\system32;
chrome version  81.0.4044.129 (Build ufficiale) (a 64 bit)
chromium Versione 84.0.4135.0 (Build) (a 64 bit)
perl -MWWW::Mechanize::Chrome -e "print $WWW::Mechanize::Chrome::VERSION"    0.48
perl -MIO::Async -e "print $IO::Async::VERSION"    0.75
# fails test (forced installation) see my report at http://www.cpantesters.org/cpan/report/7a39b6be-6c02-1014-bdb8-3bd4031ef651