Utilize modern Perl features by requiring a recent Perl version

Possible versions:

Release year Perl system Perl in OS features
2012 5.16 current min version via dist.ini since 493673fd, indirectly since 5052814a
2013 5.18
2015 5.20 Debian Jessie (8) postfix array/hash derefence experimental, subroutine signatures experimental, key/value hash slices
2017 5.22
2018 5.24 Debian Stretch (9) postfix array/hash dereference stable
2018 5.26 Ubuntu 18.04 LTS indented heredocs with <<~, hash size in scalar context
2020 5.28 Debian Buster (10)
2020 5.30 Ubuntu 20.04 LTS
2021 5.32 Debian Bullseye (11), RHEL 8.6, RHEL 9 chained comparisons $a < $b < $c, no feature 'indirect'
2022 5.34 Ubuntu 22.04 LTS builtin try/catch experimental
2022 5.36 Debian Bookworm (12) subroutine signatures stable, defer blocks experimental, finally blocks experimental
2023 5.38 experimental feature class (Corinna), //= and ||= in subroutine signatures

Ubuntu: https://packages.ubuntu.com/search?keywords=perl

Edited by Daniel Böhmer