diff --git a/.github/workflows/exercises.yml b/.github/workflows/exercises.yml
index 258a42fc..bffabc1c 100644
--- a/.github/workflows/exercises.yml
+++ b/.github/workflows/exercises.yml
@@ -9,7 +9,7 @@ jobs:
     strategy:
       matrix:
         os: ['ubuntu-latest', 'macos-latest']
-        perl: ['5.42', '5.40', '5.38']
+        perl: ['5.44', '5.42', '5.40']
         distribution: ['default']
         include:
           - os: 'windows-latest'
diff --git a/cpanfile b/cpanfile
index e7bd6b81..1cace166 100644
--- a/cpanfile
+++ b/cpanfile
@@ -1,5 +1,4 @@
 requires 'Data::Dmp';
-requires 'Feature::Compat::Class';
 requires 'lib::gitroot';
 requires 'namespace::autoclean';
 requires 'Path::Tiny';
diff --git a/exercises/practice/accumulate/.meta/solutions/lib/Accumulate.pm b/exercises/practice/accumulate/.meta/solutions/lib/Accumulate.pm
index b0587650..38141df3 100644
--- a/exercises/practice/accumulate/.meta/solutions/lib/Accumulate.pm
+++ b/exercises/practice/accumulate/.meta/solutions/lib/Accumulate.pm
@@ -1,8 +1,6 @@
 package Accumulate;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<accumulate>;
diff --git a/exercises/practice/accumulate/lib/Accumulate.pm b/exercises/practice/accumulate/lib/Accumulate.pm
index 7de75adb..0a04a615 100644
--- a/exercises/practice/accumulate/lib/Accumulate.pm
+++ b/exercises/practice/accumulate/lib/Accumulate.pm
@@ -1,6 +1,6 @@
 package Accumulate;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<accumulate>;
diff --git a/exercises/practice/acronym/.meta/solutions/lib/Acronym.pm b/exercises/practice/acronym/.meta/solutions/lib/Acronym.pm
index fb2100d3..a254bfc6 100644
--- a/exercises/practice/acronym/.meta/solutions/lib/Acronym.pm
+++ b/exercises/practice/acronym/.meta/solutions/lib/Acronym.pm
@@ -1,8 +1,6 @@
 package Acronym;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<abbreviate>;
diff --git a/exercises/practice/acronym/lib/Acronym.pm b/exercises/practice/acronym/lib/Acronym.pm
index 93af9671..972e38f4 100644
--- a/exercises/practice/acronym/lib/Acronym.pm
+++ b/exercises/practice/acronym/lib/Acronym.pm
@@ -1,6 +1,6 @@
 package Acronym;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<abbreviate>;
diff --git a/exercises/practice/affine-cipher/.meta/solutions/lib/AffineCipher.pm b/exercises/practice/affine-cipher/.meta/solutions/lib/AffineCipher.pm
index b148c4da..4c97f14d 100644
--- a/exercises/practice/affine-cipher/.meta/solutions/lib/AffineCipher.pm
+++ b/exercises/practice/affine-cipher/.meta/solutions/lib/AffineCipher.pm
@@ -1,8 +1,6 @@
 package AffineCipher;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<encode decode>;
diff --git a/exercises/practice/affine-cipher/lib/AffineCipher.pm b/exercises/practice/affine-cipher/lib/AffineCipher.pm
index 749e1a60..2e6aa39d 100644
--- a/exercises/practice/affine-cipher/lib/AffineCipher.pm
+++ b/exercises/practice/affine-cipher/lib/AffineCipher.pm
@@ -1,6 +1,6 @@
 package AffineCipher;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<encode decode>;
diff --git a/exercises/practice/all-your-base/.meta/solutions/lib/AllYourBase.pm b/exercises/practice/all-your-base/.meta/solutions/lib/AllYourBase.pm
index c8ff81ec..1fc82175 100644
--- a/exercises/practice/all-your-base/.meta/solutions/lib/AllYourBase.pm
+++ b/exercises/practice/all-your-base/.meta/solutions/lib/AllYourBase.pm
@@ -1,8 +1,6 @@
 package AllYourBase;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<rebase>;
diff --git a/exercises/practice/all-your-base/lib/AllYourBase.pm b/exercises/practice/all-your-base/lib/AllYourBase.pm
index d7c73a20..b23166be 100644
--- a/exercises/practice/all-your-base/lib/AllYourBase.pm
+++ b/exercises/practice/all-your-base/lib/AllYourBase.pm
@@ -1,6 +1,6 @@
 package AllYourBase;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<rebase>;
diff --git a/exercises/practice/allergies/.meta/solutions/lib/Allergies.pm b/exercises/practice/allergies/.meta/solutions/lib/Allergies.pm
index b971fbf4..852679c3 100644
--- a/exercises/practice/allergies/.meta/solutions/lib/Allergies.pm
+++ b/exercises/practice/allergies/.meta/solutions/lib/Allergies.pm
@@ -1,8 +1,6 @@
 package Allergies;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<allergic_to list_allergies>;
diff --git a/exercises/practice/allergies/lib/Allergies.pm b/exercises/practice/allergies/lib/Allergies.pm
index 524fcce7..11039cb5 100644
--- a/exercises/practice/allergies/lib/Allergies.pm
+++ b/exercises/practice/allergies/lib/Allergies.pm
@@ -1,6 +1,6 @@
 package Allergies;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<allergic_to list_allergies>;
diff --git a/exercises/practice/anagram/.meta/solutions/lib/Anagram.pm b/exercises/practice/anagram/.meta/solutions/lib/Anagram.pm
index 87f17a9c..b7667692 100644
--- a/exercises/practice/anagram/.meta/solutions/lib/Anagram.pm
+++ b/exercises/practice/anagram/.meta/solutions/lib/Anagram.pm
@@ -1,8 +1,6 @@
 package Anagram;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<match_anagrams>;
diff --git a/exercises/practice/anagram/lib/Anagram.pm b/exercises/practice/anagram/lib/Anagram.pm
index 5cef2f19..6d96bda8 100644
--- a/exercises/practice/anagram/lib/Anagram.pm
+++ b/exercises/practice/anagram/lib/Anagram.pm
@@ -1,6 +1,6 @@
 package Anagram;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<match_anagrams>;
diff --git a/exercises/practice/armstrong-numbers/.meta/solutions/lib/ArmstrongNumbers.pm b/exercises/practice/armstrong-numbers/.meta/solutions/lib/ArmstrongNumbers.pm
index 9d3f9e61..b902f625 100644
--- a/exercises/practice/armstrong-numbers/.meta/solutions/lib/ArmstrongNumbers.pm
+++ b/exercises/practice/armstrong-numbers/.meta/solutions/lib/ArmstrongNumbers.pm
@@ -1,8 +1,6 @@
 package ArmstrongNumbers;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<is_armstrong_number>;
diff --git a/exercises/practice/armstrong-numbers/lib/ArmstrongNumbers.pm b/exercises/practice/armstrong-numbers/lib/ArmstrongNumbers.pm
index 1591fac3..8a2517aa 100644
--- a/exercises/practice/armstrong-numbers/lib/ArmstrongNumbers.pm
+++ b/exercises/practice/armstrong-numbers/lib/ArmstrongNumbers.pm
@@ -1,6 +1,6 @@
 package ArmstrongNumbers;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<is_armstrong_number>;
diff --git a/exercises/practice/atbash-cipher/.meta/solutions/lib/AtbashCipher.pm b/exercises/practice/atbash-cipher/.meta/solutions/lib/AtbashCipher.pm
index af3aa870..eff6295e 100644
--- a/exercises/practice/atbash-cipher/.meta/solutions/lib/AtbashCipher.pm
+++ b/exercises/practice/atbash-cipher/.meta/solutions/lib/AtbashCipher.pm
@@ -1,8 +1,6 @@
 package AtbashCipher;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<encode_atbash decode_atbash>;
diff --git a/exercises/practice/atbash-cipher/lib/AtbashCipher.pm b/exercises/practice/atbash-cipher/lib/AtbashCipher.pm
index e6e98a47..bb6f1a56 100644
--- a/exercises/practice/atbash-cipher/lib/AtbashCipher.pm
+++ b/exercises/practice/atbash-cipher/lib/AtbashCipher.pm
@@ -1,6 +1,6 @@
 package AtbashCipher;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<encode_atbash decode_atbash>;
diff --git a/exercises/practice/binary-search-tree/.meta/solutions/lib/BinarySearchTree.pm b/exercises/practice/binary-search-tree/.meta/solutions/lib/BinarySearchTree.pm
index cfccecd7..745c267c 100644
--- a/exercises/practice/binary-search-tree/.meta/solutions/lib/BinarySearchTree.pm
+++ b/exercises/practice/binary-search-tree/.meta/solutions/lib/BinarySearchTree.pm
@@ -1,7 +1,5 @@
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
-use Feature::Compat::Class;
+use v5.40;
+use experimental qw<class>;
 
 class BinarySearchTree;
 
diff --git a/exercises/practice/binary-search-tree/lib/BinarySearchTree.pm b/exercises/practice/binary-search-tree/lib/BinarySearchTree.pm
index 2c7907e4..2af99be4 100644
--- a/exercises/practice/binary-search-tree/lib/BinarySearchTree.pm
+++ b/exercises/practice/binary-search-tree/lib/BinarySearchTree.pm
@@ -1,4 +1,4 @@
-use v5.42;
+use v5.44;
 use experimental qw<class>;
 
 class BinarySearchTree;
diff --git a/exercises/practice/binary-search/.meta/solutions/lib/BinarySearch.pm b/exercises/practice/binary-search/.meta/solutions/lib/BinarySearch.pm
index 93b1eda5..08839b4b 100644
--- a/exercises/practice/binary-search/.meta/solutions/lib/BinarySearch.pm
+++ b/exercises/practice/binary-search/.meta/solutions/lib/BinarySearch.pm
@@ -1,8 +1,6 @@
 package BinarySearch;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<binary_search>;
diff --git a/exercises/practice/binary-search/lib/BinarySearch.pm b/exercises/practice/binary-search/lib/BinarySearch.pm
index 1b6efc7f..f078c3b0 100644
--- a/exercises/practice/binary-search/lib/BinarySearch.pm
+++ b/exercises/practice/binary-search/lib/BinarySearch.pm
@@ -1,6 +1,6 @@
 package BinarySearch;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<binary_search>;
diff --git a/exercises/practice/bob/.meta/solutions/lib/Bob.pm b/exercises/practice/bob/.meta/solutions/lib/Bob.pm
index d94d8bf0..840cc67a 100644
--- a/exercises/practice/bob/.meta/solutions/lib/Bob.pm
+++ b/exercises/practice/bob/.meta/solutions/lib/Bob.pm
@@ -1,9 +1,7 @@
 # Declare package 'Bob'
 package Bob;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<hey>;
diff --git a/exercises/practice/bob/lib/Bob.pm b/exercises/practice/bob/lib/Bob.pm
index c169bf17..4c387460 100644
--- a/exercises/practice/bob/lib/Bob.pm
+++ b/exercises/practice/bob/lib/Bob.pm
@@ -1,7 +1,7 @@
 # Declare package 'Bob'
 package Bob;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<hey>;
diff --git a/exercises/practice/bottle-song/.meta/solutions/lib/BottleSong.pm b/exercises/practice/bottle-song/.meta/solutions/lib/BottleSong.pm
index d42f3c3e..180ad5f8 100644
--- a/exercises/practice/bottle-song/.meta/solutions/lib/BottleSong.pm
+++ b/exercises/practice/bottle-song/.meta/solutions/lib/BottleSong.pm
@@ -1,8 +1,6 @@
 package BottleSong;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<sing>;
diff --git a/exercises/practice/bottle-song/lib/BottleSong.pm b/exercises/practice/bottle-song/lib/BottleSong.pm
index d53e4ba9..19b1fe4e 100644
--- a/exercises/practice/bottle-song/lib/BottleSong.pm
+++ b/exercises/practice/bottle-song/lib/BottleSong.pm
@@ -1,6 +1,6 @@
 package BottleSong;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<sing>;
diff --git a/exercises/practice/circular-buffer/.meta/solutions/lib/CircularBuffer.pm b/exercises/practice/circular-buffer/.meta/solutions/lib/CircularBuffer.pm
index b05d3a66..27f0ccc9 100644
--- a/exercises/practice/circular-buffer/.meta/solutions/lib/CircularBuffer.pm
+++ b/exercises/practice/circular-buffer/.meta/solutions/lib/CircularBuffer.pm
@@ -1,7 +1,5 @@
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
-use Feature::Compat::Class;
+use v5.40;
+use experimental qw<class>;
 
 class CircularBuffer;
 
diff --git a/exercises/practice/circular-buffer/lib/CircularBuffer.pm b/exercises/practice/circular-buffer/lib/CircularBuffer.pm
index 34a1f2da..d150acd6 100644
--- a/exercises/practice/circular-buffer/lib/CircularBuffer.pm
+++ b/exercises/practice/circular-buffer/lib/CircularBuffer.pm
@@ -1,4 +1,4 @@
-use v5.42;
+use v5.44;
 use experimental qw<class>;
 
 class CircularBuffer;
diff --git a/exercises/practice/clock/.meta/solutions/lib/Clock.pm b/exercises/practice/clock/.meta/solutions/lib/Clock.pm
index 65deb1bb..9ac9f8f0 100644
--- a/exercises/practice/clock/.meta/solutions/lib/Clock.pm
+++ b/exercises/practice/clock/.meta/solutions/lib/Clock.pm
@@ -1,7 +1,5 @@
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
-use Feature::Compat::Class;
+use v5.40;
+use experimental qw<class>;
 
 class Clock;
 
diff --git a/exercises/practice/clock/lib/Clock.pm b/exercises/practice/clock/lib/Clock.pm
index 7e19cb20..fce49881 100644
--- a/exercises/practice/clock/lib/Clock.pm
+++ b/exercises/practice/clock/lib/Clock.pm
@@ -1,4 +1,4 @@
-use v5.42;
+use v5.44;
 use experimental qw<class>;
 
 class Clock;
diff --git a/exercises/practice/collatz-conjecture/.meta/solutions/lib/CollatzConjecture.pm b/exercises/practice/collatz-conjecture/.meta/solutions/lib/CollatzConjecture.pm
index 673d83c9..856ea2d5 100644
--- a/exercises/practice/collatz-conjecture/.meta/solutions/lib/CollatzConjecture.pm
+++ b/exercises/practice/collatz-conjecture/.meta/solutions/lib/CollatzConjecture.pm
@@ -1,8 +1,6 @@
 package CollatzConjecture;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<steps>;
diff --git a/exercises/practice/collatz-conjecture/lib/CollatzConjecture.pm b/exercises/practice/collatz-conjecture/lib/CollatzConjecture.pm
index c4e323f4..f9382ab3 100644
--- a/exercises/practice/collatz-conjecture/lib/CollatzConjecture.pm
+++ b/exercises/practice/collatz-conjecture/lib/CollatzConjecture.pm
@@ -1,6 +1,6 @@
 package CollatzConjecture;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<steps>;
diff --git a/exercises/practice/crypto-square/.meta/solutions/lib/CryptoSquare.pm b/exercises/practice/crypto-square/.meta/solutions/lib/CryptoSquare.pm
index 492e64bf..39b00e62 100644
--- a/exercises/practice/crypto-square/.meta/solutions/lib/CryptoSquare.pm
+++ b/exercises/practice/crypto-square/.meta/solutions/lib/CryptoSquare.pm
@@ -1,8 +1,6 @@
 package CryptoSquare;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<cipher>;
diff --git a/exercises/practice/crypto-square/lib/CryptoSquare.pm b/exercises/practice/crypto-square/lib/CryptoSquare.pm
index d8cde3cb..1d11f8b4 100644
--- a/exercises/practice/crypto-square/lib/CryptoSquare.pm
+++ b/exercises/practice/crypto-square/lib/CryptoSquare.pm
@@ -1,6 +1,6 @@
 package CryptoSquare;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<cipher>;
diff --git a/exercises/practice/custom-set/.meta/solutions/lib/CustomSet.pm b/exercises/practice/custom-set/.meta/solutions/lib/CustomSet.pm
index 00468183..089e6638 100644
--- a/exercises/practice/custom-set/.meta/solutions/lib/CustomSet.pm
+++ b/exercises/practice/custom-set/.meta/solutions/lib/CustomSet.pm
@@ -1,7 +1,5 @@
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
-use Feature::Compat::Class;
+use v5.40;
+use experimental qw<class>;
 
 class CustomSet;
 
diff --git a/exercises/practice/custom-set/lib/CustomSet.pm b/exercises/practice/custom-set/lib/CustomSet.pm
index 1b134584..3bbfe1dd 100644
--- a/exercises/practice/custom-set/lib/CustomSet.pm
+++ b/exercises/practice/custom-set/lib/CustomSet.pm
@@ -1,4 +1,4 @@
-use v5.42;
+use v5.44;
 use experimental qw<class>;
 
 class CustomSet;
diff --git a/exercises/practice/darts/.meta/solutions/lib/Darts.pm b/exercises/practice/darts/.meta/solutions/lib/Darts.pm
index 0c8a90a0..9c7d66e5 100644
--- a/exercises/practice/darts/.meta/solutions/lib/Darts.pm
+++ b/exercises/practice/darts/.meta/solutions/lib/Darts.pm
@@ -1,8 +1,6 @@
 package Darts;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<score_dart>;
diff --git a/exercises/practice/darts/lib/Darts.pm b/exercises/practice/darts/lib/Darts.pm
index a3fab400..a6326aed 100644
--- a/exercises/practice/darts/lib/Darts.pm
+++ b/exercises/practice/darts/lib/Darts.pm
@@ -1,6 +1,6 @@
 package Darts;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<score_dart>;
diff --git a/exercises/practice/difference-of-squares/.meta/solutions/lib/DifferenceOfSquares.pm b/exercises/practice/difference-of-squares/.meta/solutions/lib/DifferenceOfSquares.pm
index 73d3be3c..df09e842 100644
--- a/exercises/practice/difference-of-squares/.meta/solutions/lib/DifferenceOfSquares.pm
+++ b/exercises/practice/difference-of-squares/.meta/solutions/lib/DifferenceOfSquares.pm
@@ -1,8 +1,6 @@
 package DifferenceOfSquares;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<square_of_sum sum_of_squares difference_of_squares>;
diff --git a/exercises/practice/difference-of-squares/lib/DifferenceOfSquares.pm b/exercises/practice/difference-of-squares/lib/DifferenceOfSquares.pm
index cbd1fd6d..1babc2a5 100644
--- a/exercises/practice/difference-of-squares/lib/DifferenceOfSquares.pm
+++ b/exercises/practice/difference-of-squares/lib/DifferenceOfSquares.pm
@@ -1,6 +1,6 @@
 package DifferenceOfSquares;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<square_of_sum sum_of_squares difference_of_squares>;
diff --git a/exercises/practice/dnd-character/.meta/solutions/lib/DndCharacter.pm b/exercises/practice/dnd-character/.meta/solutions/lib/DndCharacter.pm
index 7fca421b..65aa19f2 100644
--- a/exercises/practice/dnd-character/.meta/solutions/lib/DndCharacter.pm
+++ b/exercises/practice/dnd-character/.meta/solutions/lib/DndCharacter.pm
@@ -1,7 +1,5 @@
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
-use Feature::Compat::Class;
+use v5.40;
+use experimental qw<class>;
 
 class DndCharacter;
 
diff --git a/exercises/practice/dnd-character/lib/DndCharacter.pm b/exercises/practice/dnd-character/lib/DndCharacter.pm
index 1d20a65e..6702f9ec 100644
--- a/exercises/practice/dnd-character/lib/DndCharacter.pm
+++ b/exercises/practice/dnd-character/lib/DndCharacter.pm
@@ -1,4 +1,4 @@
-use v5.42;
+use v5.44;
 use experimental qw<class>;
 
 class DndCharacter;
diff --git a/exercises/practice/eliuds-eggs/.meta/solutions/lib/EliudsEggs.pm b/exercises/practice/eliuds-eggs/.meta/solutions/lib/EliudsEggs.pm
index 55ec524a..a20d48ea 100644
--- a/exercises/practice/eliuds-eggs/.meta/solutions/lib/EliudsEggs.pm
+++ b/exercises/practice/eliuds-eggs/.meta/solutions/lib/EliudsEggs.pm
@@ -1,8 +1,6 @@
 package EliudsEggs;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<egg_count>;
diff --git a/exercises/practice/eliuds-eggs/lib/EliudsEggs.pm b/exercises/practice/eliuds-eggs/lib/EliudsEggs.pm
index 1e259f64..0555d896 100644
--- a/exercises/practice/eliuds-eggs/lib/EliudsEggs.pm
+++ b/exercises/practice/eliuds-eggs/lib/EliudsEggs.pm
@@ -1,6 +1,6 @@
 package EliudsEggs;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<egg_count>;
diff --git a/exercises/practice/etl/.meta/solutions/lib/ETL.pm b/exercises/practice/etl/.meta/solutions/lib/ETL.pm
index e4e37822..e7b9ed08 100644
--- a/exercises/practice/etl/.meta/solutions/lib/ETL.pm
+++ b/exercises/practice/etl/.meta/solutions/lib/ETL.pm
@@ -1,8 +1,6 @@
 package ETL;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<transform>;
diff --git a/exercises/practice/etl/lib/ETL.pm b/exercises/practice/etl/lib/ETL.pm
index 69a0cae5..70fbda8a 100644
--- a/exercises/practice/etl/lib/ETL.pm
+++ b/exercises/practice/etl/lib/ETL.pm
@@ -1,6 +1,6 @@
 package ETL;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<transform>;
diff --git a/exercises/practice/food-chain/.meta/solutions/lib/FoodChain.pm b/exercises/practice/food-chain/.meta/solutions/lib/FoodChain.pm
index 52fac939..8b2db695 100644
--- a/exercises/practice/food-chain/.meta/solutions/lib/FoodChain.pm
+++ b/exercises/practice/food-chain/.meta/solutions/lib/FoodChain.pm
@@ -1,8 +1,6 @@
 package FoodChain;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<recite>;
diff --git a/exercises/practice/food-chain/lib/FoodChain.pm b/exercises/practice/food-chain/lib/FoodChain.pm
index 010c7d7b..caf09626 100644
--- a/exercises/practice/food-chain/lib/FoodChain.pm
+++ b/exercises/practice/food-chain/lib/FoodChain.pm
@@ -1,6 +1,6 @@
 package FoodChain;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<recite>;
diff --git a/exercises/practice/gigasecond/.meta/solutions/lib/Gigasecond.pm b/exercises/practice/gigasecond/.meta/solutions/lib/Gigasecond.pm
index 159abc1f..42f78de9 100644
--- a/exercises/practice/gigasecond/.meta/solutions/lib/Gigasecond.pm
+++ b/exercises/practice/gigasecond/.meta/solutions/lib/Gigasecond.pm
@@ -1,8 +1,6 @@
 package Gigasecond;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<add_gigasecond>;
diff --git a/exercises/practice/gigasecond/lib/Gigasecond.pm b/exercises/practice/gigasecond/lib/Gigasecond.pm
index a6d0b1d4..a3482906 100644
--- a/exercises/practice/gigasecond/lib/Gigasecond.pm
+++ b/exercises/practice/gigasecond/lib/Gigasecond.pm
@@ -1,6 +1,6 @@
 package Gigasecond;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<add_gigasecond>;
diff --git a/exercises/practice/grade-school/.meta/solutions/lib/GradeSchool.pm b/exercises/practice/grade-school/.meta/solutions/lib/GradeSchool.pm
index 36c5519d..4d3b0102 100644
--- a/exercises/practice/grade-school/.meta/solutions/lib/GradeSchool.pm
+++ b/exercises/practice/grade-school/.meta/solutions/lib/GradeSchool.pm
@@ -1,7 +1,5 @@
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
-use Feature::Compat::Class;
+use v5.40;
+use experimental qw<class>;
 
 class GradeSchool;
 
diff --git a/exercises/practice/grade-school/lib/GradeSchool.pm b/exercises/practice/grade-school/lib/GradeSchool.pm
index 29c4c4f4..f6f4d1dc 100644
--- a/exercises/practice/grade-school/lib/GradeSchool.pm
+++ b/exercises/practice/grade-school/lib/GradeSchool.pm
@@ -1,4 +1,4 @@
-use v5.42;
+use v5.44;
 use experimental qw<class>;
 
 class GradeSchool;
diff --git a/exercises/practice/grains/.meta/solutions/lib/Grains.pm b/exercises/practice/grains/.meta/solutions/lib/Grains.pm
index 37d52abe..45bf279c 100644
--- a/exercises/practice/grains/.meta/solutions/lib/Grains.pm
+++ b/exercises/practice/grains/.meta/solutions/lib/Grains.pm
@@ -1,8 +1,6 @@
 package Grains;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<grains_on_square total_grains>;
diff --git a/exercises/practice/grains/lib/Grains.pm b/exercises/practice/grains/lib/Grains.pm
index b80a41bb..3ed9eb49 100644
--- a/exercises/practice/grains/lib/Grains.pm
+++ b/exercises/practice/grains/lib/Grains.pm
@@ -1,6 +1,6 @@
 package Grains;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<grains_on_square total_grains>;
diff --git a/exercises/practice/hamming/.meta/solutions/lib/Hamming.pm b/exercises/practice/hamming/.meta/solutions/lib/Hamming.pm
index 692d595e..a2419a24 100644
--- a/exercises/practice/hamming/.meta/solutions/lib/Hamming.pm
+++ b/exercises/practice/hamming/.meta/solutions/lib/Hamming.pm
@@ -1,8 +1,6 @@
 package Hamming;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<hamming_distance>;
diff --git a/exercises/practice/hamming/lib/Hamming.pm b/exercises/practice/hamming/lib/Hamming.pm
index 594587c1..950e12b5 100644
--- a/exercises/practice/hamming/lib/Hamming.pm
+++ b/exercises/practice/hamming/lib/Hamming.pm
@@ -1,6 +1,6 @@
 package Hamming;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<hamming_distance>;
diff --git a/exercises/practice/hello-world/.meta/solutions/lib/HelloWorld.pm b/exercises/practice/hello-world/.meta/solutions/lib/HelloWorld.pm
index 0c250602..c12d3a92 100644
--- a/exercises/practice/hello-world/.meta/solutions/lib/HelloWorld.pm
+++ b/exercises/practice/hello-world/.meta/solutions/lib/HelloWorld.pm
@@ -1,9 +1,7 @@
 # Declare package 'HelloWorld'
 package HelloWorld;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<hello>;
diff --git a/exercises/practice/hello-world/lib/HelloWorld.pm b/exercises/practice/hello-world/lib/HelloWorld.pm
index a1fa3a85..940ca7bd 100644
--- a/exercises/practice/hello-world/lib/HelloWorld.pm
+++ b/exercises/practice/hello-world/lib/HelloWorld.pm
@@ -1,7 +1,7 @@
 # Declare package 'HelloWorld'
 package HelloWorld;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<hello>;
diff --git a/exercises/practice/house/.meta/solutions/lib/House.pm b/exercises/practice/house/.meta/solutions/lib/House.pm
index 11ac0d6f..8e4d6288 100644
--- a/exercises/practice/house/.meta/solutions/lib/House.pm
+++ b/exercises/practice/house/.meta/solutions/lib/House.pm
@@ -1,8 +1,6 @@
 package House;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<recite>;
diff --git a/exercises/practice/house/lib/House.pm b/exercises/practice/house/lib/House.pm
index f2666257..137041e4 100644
--- a/exercises/practice/house/lib/House.pm
+++ b/exercises/practice/house/lib/House.pm
@@ -1,6 +1,6 @@
 package House;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<recite>;
diff --git a/exercises/practice/isogram/.meta/solutions/lib/Isogram.pm b/exercises/practice/isogram/.meta/solutions/lib/Isogram.pm
index 0008057f..16bf1411 100644
--- a/exercises/practice/isogram/.meta/solutions/lib/Isogram.pm
+++ b/exercises/practice/isogram/.meta/solutions/lib/Isogram.pm
@@ -1,8 +1,6 @@
 package Isogram;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<is_isogram>;
diff --git a/exercises/practice/isogram/lib/Isogram.pm b/exercises/practice/isogram/lib/Isogram.pm
index 7b698d8e..439fdb41 100644
--- a/exercises/practice/isogram/lib/Isogram.pm
+++ b/exercises/practice/isogram/lib/Isogram.pm
@@ -1,6 +1,6 @@
 package Isogram;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<is_isogram>;
diff --git a/exercises/practice/kindergarten-garden/.meta/solutions/lib/KindergartenGarden.pm b/exercises/practice/kindergarten-garden/.meta/solutions/lib/KindergartenGarden.pm
index f2fc51b7..e34e530a 100644
--- a/exercises/practice/kindergarten-garden/.meta/solutions/lib/KindergartenGarden.pm
+++ b/exercises/practice/kindergarten-garden/.meta/solutions/lib/KindergartenGarden.pm
@@ -1,8 +1,6 @@
 package KindergartenGarden;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<plants>;
diff --git a/exercises/practice/kindergarten-garden/lib/KindergartenGarden.pm b/exercises/practice/kindergarten-garden/lib/KindergartenGarden.pm
index d215ed3a..c2173d10 100644
--- a/exercises/practice/kindergarten-garden/lib/KindergartenGarden.pm
+++ b/exercises/practice/kindergarten-garden/lib/KindergartenGarden.pm
@@ -1,6 +1,6 @@
 package KindergartenGarden;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<plants>;
diff --git a/exercises/practice/knapsack/.meta/solutions/lib/Knapsack.pm b/exercises/practice/knapsack/.meta/solutions/lib/Knapsack.pm
index b1c82bc4..c2a14931 100644
--- a/exercises/practice/knapsack/.meta/solutions/lib/Knapsack.pm
+++ b/exercises/practice/knapsack/.meta/solutions/lib/Knapsack.pm
@@ -1,8 +1,6 @@
 package Knapsack;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<maximum_value>;
diff --git a/exercises/practice/knapsack/lib/Knapsack.pm b/exercises/practice/knapsack/lib/Knapsack.pm
index 1cff8d8b..70486385 100644
--- a/exercises/practice/knapsack/lib/Knapsack.pm
+++ b/exercises/practice/knapsack/lib/Knapsack.pm
@@ -1,6 +1,6 @@
 package Knapsack;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<maximum_value>;
diff --git a/exercises/practice/largest-series-product/.meta/solutions/lib/LargestSeriesProduct.pm b/exercises/practice/largest-series-product/.meta/solutions/lib/LargestSeriesProduct.pm
index e6d2c807..771d86e9 100644
--- a/exercises/practice/largest-series-product/.meta/solutions/lib/LargestSeriesProduct.pm
+++ b/exercises/practice/largest-series-product/.meta/solutions/lib/LargestSeriesProduct.pm
@@ -1,8 +1,6 @@
 package LargestSeriesProduct;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<largest_product>;
diff --git a/exercises/practice/largest-series-product/lib/LargestSeriesProduct.pm b/exercises/practice/largest-series-product/lib/LargestSeriesProduct.pm
index 3d35d1bb..f4cb7951 100644
--- a/exercises/practice/largest-series-product/lib/LargestSeriesProduct.pm
+++ b/exercises/practice/largest-series-product/lib/LargestSeriesProduct.pm
@@ -1,6 +1,6 @@
 package LargestSeriesProduct;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<largest_product>;
diff --git a/exercises/practice/leap/.meta/solutions/lib/Leap.pm b/exercises/practice/leap/.meta/solutions/lib/Leap.pm
index 604e448a..a373eec8 100644
--- a/exercises/practice/leap/.meta/solutions/lib/Leap.pm
+++ b/exercises/practice/leap/.meta/solutions/lib/Leap.pm
@@ -1,9 +1,7 @@
 # Declare package 'Leap'
 package Leap;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<is_leap_year>;
diff --git a/exercises/practice/leap/lib/Leap.pm b/exercises/practice/leap/lib/Leap.pm
index ba350bcb..01e7d6c5 100644
--- a/exercises/practice/leap/lib/Leap.pm
+++ b/exercises/practice/leap/lib/Leap.pm
@@ -1,7 +1,7 @@
 # Declare package 'Leap'
 package Leap;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<is_leap_year>;
diff --git a/exercises/practice/list-ops/.meta/solutions/lib/ListOps.pm b/exercises/practice/list-ops/.meta/solutions/lib/ListOps.pm
index 39cf74b7..83862e9b 100644
--- a/exercises/practice/list-ops/.meta/solutions/lib/ListOps.pm
+++ b/exercises/practice/list-ops/.meta/solutions/lib/ListOps.pm
@@ -1,8 +1,6 @@
 package ListOps;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 sub append ( $list1, $list2 ) {
     return [ @$list1, @$list2 ];
diff --git a/exercises/practice/list-ops/lib/ListOps.pm b/exercises/practice/list-ops/lib/ListOps.pm
index 0dd03f32..c7b5764f 100644
--- a/exercises/practice/list-ops/lib/ListOps.pm
+++ b/exercises/practice/list-ops/lib/ListOps.pm
@@ -1,6 +1,6 @@
 package ListOps;
 
-use v5.42;
+use v5.44;
 
 sub append ( $list1, $list2 ) {
     return undef;
diff --git a/exercises/practice/luhn/.meta/solutions/lib/Luhn.pm b/exercises/practice/luhn/.meta/solutions/lib/Luhn.pm
index bd5746d2..ece88202 100644
--- a/exercises/practice/luhn/.meta/solutions/lib/Luhn.pm
+++ b/exercises/practice/luhn/.meta/solutions/lib/Luhn.pm
@@ -1,8 +1,6 @@
 package Luhn;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<is_luhn_valid>;
diff --git a/exercises/practice/luhn/lib/Luhn.pm b/exercises/practice/luhn/lib/Luhn.pm
index 7f71a248..2cddca2d 100644
--- a/exercises/practice/luhn/lib/Luhn.pm
+++ b/exercises/practice/luhn/lib/Luhn.pm
@@ -1,6 +1,6 @@
 package Luhn;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<is_luhn_valid>;
diff --git a/exercises/practice/matching-brackets/.meta/solutions/lib/MatchingBrackets.pm b/exercises/practice/matching-brackets/.meta/solutions/lib/MatchingBrackets.pm
index 8418fcab..a65d2f4d 100644
--- a/exercises/practice/matching-brackets/.meta/solutions/lib/MatchingBrackets.pm
+++ b/exercises/practice/matching-brackets/.meta/solutions/lib/MatchingBrackets.pm
@@ -1,8 +1,6 @@
 package MatchingBrackets;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<has_matching_brackets>;
diff --git a/exercises/practice/matching-brackets/lib/MatchingBrackets.pm b/exercises/practice/matching-brackets/lib/MatchingBrackets.pm
index ea3ee008..10e831e7 100644
--- a/exercises/practice/matching-brackets/lib/MatchingBrackets.pm
+++ b/exercises/practice/matching-brackets/lib/MatchingBrackets.pm
@@ -1,6 +1,6 @@
 package MatchingBrackets;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<has_matching_brackets>;
diff --git a/exercises/practice/matrix/.meta/solutions/lib/Matrix.pm b/exercises/practice/matrix/.meta/solutions/lib/Matrix.pm
index 916b796d..4ad5b97c 100644
--- a/exercises/practice/matrix/.meta/solutions/lib/Matrix.pm
+++ b/exercises/practice/matrix/.meta/solutions/lib/Matrix.pm
@@ -1,8 +1,6 @@
 package Matrix;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<extract_row extract_column>;
diff --git a/exercises/practice/matrix/lib/Matrix.pm b/exercises/practice/matrix/lib/Matrix.pm
index 301c343b..e27bb802 100644
--- a/exercises/practice/matrix/lib/Matrix.pm
+++ b/exercises/practice/matrix/lib/Matrix.pm
@@ -1,6 +1,6 @@
 package Matrix;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<extract_row extract_column>;
diff --git a/exercises/practice/meetup/.meta/solutions/lib/Meetup.pm b/exercises/practice/meetup/.meta/solutions/lib/Meetup.pm
index 1b59e8d3..26d83364 100644
--- a/exercises/practice/meetup/.meta/solutions/lib/Meetup.pm
+++ b/exercises/practice/meetup/.meta/solutions/lib/Meetup.pm
@@ -1,8 +1,6 @@
 package Meetup;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<meetup>;
diff --git a/exercises/practice/meetup/lib/Meetup.pm b/exercises/practice/meetup/lib/Meetup.pm
index e5f80a7c..d7ff8b2d 100644
--- a/exercises/practice/meetup/lib/Meetup.pm
+++ b/exercises/practice/meetup/lib/Meetup.pm
@@ -1,6 +1,6 @@
 package Meetup;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<meetup>;
diff --git a/exercises/practice/micro-blog/.meta/solutions/lib/MicroBlog.pm b/exercises/practice/micro-blog/.meta/solutions/lib/MicroBlog.pm
index 5f209472..9e23b4b5 100644
--- a/exercises/practice/micro-blog/.meta/solutions/lib/MicroBlog.pm
+++ b/exercises/practice/micro-blog/.meta/solutions/lib/MicroBlog.pm
@@ -1,8 +1,6 @@
 package MicroBlog;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<truncate_post>;
diff --git a/exercises/practice/micro-blog/lib/MicroBlog.pm b/exercises/practice/micro-blog/lib/MicroBlog.pm
index 3d308e76..549a6046 100644
--- a/exercises/practice/micro-blog/lib/MicroBlog.pm
+++ b/exercises/practice/micro-blog/lib/MicroBlog.pm
@@ -1,6 +1,6 @@
 package MicroBlog;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<truncate_post>;
diff --git a/exercises/practice/minesweeper/.meta/solutions/lib/Minesweeper.pm b/exercises/practice/minesweeper/.meta/solutions/lib/Minesweeper.pm
index 7b31e2bb..180676ef 100644
--- a/exercises/practice/minesweeper/.meta/solutions/lib/Minesweeper.pm
+++ b/exercises/practice/minesweeper/.meta/solutions/lib/Minesweeper.pm
@@ -1,8 +1,6 @@
 package Minesweeper;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<annotate>;
diff --git a/exercises/practice/minesweeper/lib/Minesweeper.pm b/exercises/practice/minesweeper/lib/Minesweeper.pm
index afd83323..2521b57c 100644
--- a/exercises/practice/minesweeper/lib/Minesweeper.pm
+++ b/exercises/practice/minesweeper/lib/Minesweeper.pm
@@ -1,6 +1,6 @@
 package Minesweeper;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<annotate>;
diff --git a/exercises/practice/nucleotide-count/.meta/solutions/lib/NucleotideCount.pm b/exercises/practice/nucleotide-count/.meta/solutions/lib/NucleotideCount.pm
index fa0cad78..1583fda3 100644
--- a/exercises/practice/nucleotide-count/.meta/solutions/lib/NucleotideCount.pm
+++ b/exercises/practice/nucleotide-count/.meta/solutions/lib/NucleotideCount.pm
@@ -1,8 +1,6 @@
 package NucleotideCount;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<count_nucleotides>;
diff --git a/exercises/practice/nucleotide-count/lib/NucleotideCount.pm b/exercises/practice/nucleotide-count/lib/NucleotideCount.pm
index 4153512e..497383c7 100644
--- a/exercises/practice/nucleotide-count/lib/NucleotideCount.pm
+++ b/exercises/practice/nucleotide-count/lib/NucleotideCount.pm
@@ -1,6 +1,6 @@
 package NucleotideCount;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<count_nucleotides>;
diff --git a/exercises/practice/ocr-numbers/.meta/solutions/lib/OCRNumbers.pm b/exercises/practice/ocr-numbers/.meta/solutions/lib/OCRNumbers.pm
index 88a7b149..7a0f4a98 100644
--- a/exercises/practice/ocr-numbers/.meta/solutions/lib/OCRNumbers.pm
+++ b/exercises/practice/ocr-numbers/.meta/solutions/lib/OCRNumbers.pm
@@ -1,8 +1,6 @@
 package OCRNumbers;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<convert_ocr>;
diff --git a/exercises/practice/ocr-numbers/lib/OCRNumbers.pm b/exercises/practice/ocr-numbers/lib/OCRNumbers.pm
index 95330280..39f8dabc 100644
--- a/exercises/practice/ocr-numbers/lib/OCRNumbers.pm
+++ b/exercises/practice/ocr-numbers/lib/OCRNumbers.pm
@@ -1,6 +1,6 @@
 package OCRNumbers;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<convert_ocr>;
diff --git a/exercises/practice/palindrome-products/.meta/solutions/lib/PalindromeProducts.pm b/exercises/practice/palindrome-products/.meta/solutions/lib/PalindromeProducts.pm
index 99ed56c0..260fb0cf 100644
--- a/exercises/practice/palindrome-products/.meta/solutions/lib/PalindromeProducts.pm
+++ b/exercises/practice/palindrome-products/.meta/solutions/lib/PalindromeProducts.pm
@@ -1,8 +1,6 @@
 package PalindromeProducts;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<smallest_palindrome largest_palindrome>;
diff --git a/exercises/practice/palindrome-products/lib/PalindromeProducts.pm b/exercises/practice/palindrome-products/lib/PalindromeProducts.pm
index 0b95997c..fc4f2135 100644
--- a/exercises/practice/palindrome-products/lib/PalindromeProducts.pm
+++ b/exercises/practice/palindrome-products/lib/PalindromeProducts.pm
@@ -1,6 +1,6 @@
 package PalindromeProducts;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<smallest_palindrome largest_palindrome>;
diff --git a/exercises/practice/pangram/.meta/solutions/lib/Pangram.pm b/exercises/practice/pangram/.meta/solutions/lib/Pangram.pm
index f58ac8aa..04c77b9b 100644
--- a/exercises/practice/pangram/.meta/solutions/lib/Pangram.pm
+++ b/exercises/practice/pangram/.meta/solutions/lib/Pangram.pm
@@ -1,8 +1,6 @@
 package Pangram;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<is_pangram>;
diff --git a/exercises/practice/pangram/lib/Pangram.pm b/exercises/practice/pangram/lib/Pangram.pm
index b539b5d6..63540111 100644
--- a/exercises/practice/pangram/lib/Pangram.pm
+++ b/exercises/practice/pangram/lib/Pangram.pm
@@ -1,6 +1,6 @@
 package Pangram;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<is_pangram>;
diff --git a/exercises/practice/pascals-triangle/.meta/solutions/lib/PascalsTriangle.pm b/exercises/practice/pascals-triangle/.meta/solutions/lib/PascalsTriangle.pm
index cc55203a..96288df0 100644
--- a/exercises/practice/pascals-triangle/.meta/solutions/lib/PascalsTriangle.pm
+++ b/exercises/practice/pascals-triangle/.meta/solutions/lib/PascalsTriangle.pm
@@ -1,8 +1,6 @@
 package PascalsTriangle;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<pascal_rows>;
diff --git a/exercises/practice/pascals-triangle/lib/PascalsTriangle.pm b/exercises/practice/pascals-triangle/lib/PascalsTriangle.pm
index e1084817..b1550d53 100644
--- a/exercises/practice/pascals-triangle/lib/PascalsTriangle.pm
+++ b/exercises/practice/pascals-triangle/lib/PascalsTriangle.pm
@@ -1,6 +1,6 @@
 package PascalsTriangle;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<pascal_rows>;
diff --git a/exercises/practice/phone-number/.meta/solutions/lib/PhoneNumber.pm b/exercises/practice/phone-number/.meta/solutions/lib/PhoneNumber.pm
index ec18fd96..736f8d19 100644
--- a/exercises/practice/phone-number/.meta/solutions/lib/PhoneNumber.pm
+++ b/exercises/practice/phone-number/.meta/solutions/lib/PhoneNumber.pm
@@ -1,8 +1,6 @@
 package PhoneNumber;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<clean_number>;
diff --git a/exercises/practice/phone-number/lib/PhoneNumber.pm b/exercises/practice/phone-number/lib/PhoneNumber.pm
index 4f203668..eccb4d33 100644
--- a/exercises/practice/phone-number/lib/PhoneNumber.pm
+++ b/exercises/practice/phone-number/lib/PhoneNumber.pm
@@ -1,6 +1,6 @@
 package PhoneNumber;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<clean_number>;
diff --git a/exercises/practice/pig-latin/.meta/solutions/lib/PigLatin.pm b/exercises/practice/pig-latin/.meta/solutions/lib/PigLatin.pm
index e1d8fcdc..8a1c9287 100644
--- a/exercises/practice/pig-latin/.meta/solutions/lib/PigLatin.pm
+++ b/exercises/practice/pig-latin/.meta/solutions/lib/PigLatin.pm
@@ -1,8 +1,6 @@
 package PigLatin;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<translate>;
diff --git a/exercises/practice/pig-latin/lib/PigLatin.pm b/exercises/practice/pig-latin/lib/PigLatin.pm
index 054a5f3a..852fb09d 100644
--- a/exercises/practice/pig-latin/lib/PigLatin.pm
+++ b/exercises/practice/pig-latin/lib/PigLatin.pm
@@ -1,6 +1,6 @@
 package PigLatin;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<translate>;
diff --git a/exercises/practice/prime-factors/.meta/solutions/lib/PrimeFactors.pm b/exercises/practice/prime-factors/.meta/solutions/lib/PrimeFactors.pm
index 0c7aed7b..d36c38f3 100644
--- a/exercises/practice/prime-factors/.meta/solutions/lib/PrimeFactors.pm
+++ b/exercises/practice/prime-factors/.meta/solutions/lib/PrimeFactors.pm
@@ -1,8 +1,6 @@
 package PrimeFactors;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<factors>;
diff --git a/exercises/practice/prime-factors/lib/PrimeFactors.pm b/exercises/practice/prime-factors/lib/PrimeFactors.pm
index ca039381..fa1cf99b 100644
--- a/exercises/practice/prime-factors/lib/PrimeFactors.pm
+++ b/exercises/practice/prime-factors/lib/PrimeFactors.pm
@@ -1,6 +1,6 @@
 package PrimeFactors;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<factors>;
diff --git a/exercises/practice/proverb/.meta/solutions/lib/Proverb.pm b/exercises/practice/proverb/.meta/solutions/lib/Proverb.pm
index 06b0d9a0..ca013e14 100644
--- a/exercises/practice/proverb/.meta/solutions/lib/Proverb.pm
+++ b/exercises/practice/proverb/.meta/solutions/lib/Proverb.pm
@@ -1,8 +1,6 @@
 package Proverb;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<proverb>;
diff --git a/exercises/practice/proverb/lib/Proverb.pm b/exercises/practice/proverb/lib/Proverb.pm
index b55d8614..30d5a7bc 100644
--- a/exercises/practice/proverb/lib/Proverb.pm
+++ b/exercises/practice/proverb/lib/Proverb.pm
@@ -1,6 +1,6 @@
 package Proverb;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<proverb>;
diff --git a/exercises/practice/pythagorean-triplet/.meta/solutions/lib/PythagoreanTriplet.pm b/exercises/practice/pythagorean-triplet/.meta/solutions/lib/PythagoreanTriplet.pm
index 4119d2e1..00213230 100644
--- a/exercises/practice/pythagorean-triplet/.meta/solutions/lib/PythagoreanTriplet.pm
+++ b/exercises/practice/pythagorean-triplet/.meta/solutions/lib/PythagoreanTriplet.pm
@@ -1,8 +1,6 @@
 package PythagoreanTriplet;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<triplets_with_sum>;
diff --git a/exercises/practice/pythagorean-triplet/lib/PythagoreanTriplet.pm b/exercises/practice/pythagorean-triplet/lib/PythagoreanTriplet.pm
index 2a5670f1..ae599b5a 100644
--- a/exercises/practice/pythagorean-triplet/lib/PythagoreanTriplet.pm
+++ b/exercises/practice/pythagorean-triplet/lib/PythagoreanTriplet.pm
@@ -1,6 +1,6 @@
 package PythagoreanTriplet;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<triplets_with_sum>;
diff --git a/exercises/practice/queen-attack/.meta/solutions/lib/Queen.pm b/exercises/practice/queen-attack/.meta/solutions/lib/Queen.pm
index 5e768133..b6fa0cf4 100644
--- a/exercises/practice/queen-attack/.meta/solutions/lib/Queen.pm
+++ b/exercises/practice/queen-attack/.meta/solutions/lib/Queen.pm
@@ -1,7 +1,5 @@
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
-use Feature::Compat::Class;
+use v5.40;
+use experimental qw<class>;
 
 class Queen;
 
diff --git a/exercises/practice/queen-attack/lib/Queen.pm b/exercises/practice/queen-attack/lib/Queen.pm
index 23427e9e..1df0f906 100644
--- a/exercises/practice/queen-attack/lib/Queen.pm
+++ b/exercises/practice/queen-attack/lib/Queen.pm
@@ -1,4 +1,4 @@
-use v5.42;
+use v5.44;
 use experimental qw<class>;
 
 class Queen;
diff --git a/exercises/practice/raindrops/.meta/solutions/lib/Raindrops.pm b/exercises/practice/raindrops/.meta/solutions/lib/Raindrops.pm
index d7d69c95..8d095af0 100644
--- a/exercises/practice/raindrops/.meta/solutions/lib/Raindrops.pm
+++ b/exercises/practice/raindrops/.meta/solutions/lib/Raindrops.pm
@@ -1,8 +1,6 @@
 package Raindrops;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<raindrop>;
diff --git a/exercises/practice/raindrops/lib/Raindrops.pm b/exercises/practice/raindrops/lib/Raindrops.pm
index 9f0c3e13..6455dfb8 100644
--- a/exercises/practice/raindrops/lib/Raindrops.pm
+++ b/exercises/practice/raindrops/lib/Raindrops.pm
@@ -1,6 +1,6 @@
 package Raindrops;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<raindrop>;
diff --git a/exercises/practice/reverse-string/.meta/solutions/lib/ReverseString.pm b/exercises/practice/reverse-string/.meta/solutions/lib/ReverseString.pm
index 2626f5c8..784c1093 100644
--- a/exercises/practice/reverse-string/.meta/solutions/lib/ReverseString.pm
+++ b/exercises/practice/reverse-string/.meta/solutions/lib/ReverseString.pm
@@ -1,8 +1,6 @@
 package ReverseString;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<str_reverse>;
diff --git a/exercises/practice/reverse-string/lib/ReverseString.pm b/exercises/practice/reverse-string/lib/ReverseString.pm
index aee8e08c..2a24b4a2 100644
--- a/exercises/practice/reverse-string/lib/ReverseString.pm
+++ b/exercises/practice/reverse-string/lib/ReverseString.pm
@@ -1,6 +1,6 @@
 package ReverseString;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<str_reverse>;
diff --git a/exercises/practice/rna-transcription/.meta/solutions/lib/RNA.pm b/exercises/practice/rna-transcription/.meta/solutions/lib/RNA.pm
index 2e9b4c35..d241f3a0 100644
--- a/exercises/practice/rna-transcription/.meta/solutions/lib/RNA.pm
+++ b/exercises/practice/rna-transcription/.meta/solutions/lib/RNA.pm
@@ -1,8 +1,6 @@
 package RNA;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<to_rna>;
diff --git a/exercises/practice/rna-transcription/lib/RNA.pm b/exercises/practice/rna-transcription/lib/RNA.pm
index e614bda3..2f09c92f 100644
--- a/exercises/practice/rna-transcription/lib/RNA.pm
+++ b/exercises/practice/rna-transcription/lib/RNA.pm
@@ -1,6 +1,6 @@
 package RNA;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<to_rna>;
diff --git a/exercises/practice/robot-name/.meta/solutions/lib/RobotName.pm b/exercises/practice/robot-name/.meta/solutions/lib/RobotName.pm
index a6d9e9cb..ac5ac450 100644
--- a/exercises/practice/robot-name/.meta/solutions/lib/RobotName.pm
+++ b/exercises/practice/robot-name/.meta/solutions/lib/RobotName.pm
@@ -1,7 +1,5 @@
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
-use Feature::Compat::Class;
+use v5.40;
+use experimental qw<class>;
 
 class RobotName;
 
diff --git a/exercises/practice/robot-name/lib/RobotName.pm b/exercises/practice/robot-name/lib/RobotName.pm
index b245ca59..c0de2c75 100644
--- a/exercises/practice/robot-name/lib/RobotName.pm
+++ b/exercises/practice/robot-name/lib/RobotName.pm
@@ -1,4 +1,4 @@
-use v5.42;
+use v5.44;
 use experimental qw<class>;
 
 class RobotName;
diff --git a/exercises/practice/robot-simulator/.meta/solutions/lib/Robot.pm b/exercises/practice/robot-simulator/.meta/solutions/lib/Robot.pm
index 0278bb8e..b02f88c6 100644
--- a/exercises/practice/robot-simulator/.meta/solutions/lib/Robot.pm
+++ b/exercises/practice/robot-simulator/.meta/solutions/lib/Robot.pm
@@ -1,7 +1,5 @@
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
-use Feature::Compat::Class;
+use v5.40;
+use experimental qw<class>;
 
 class Robot;
 
diff --git a/exercises/practice/robot-simulator/lib/Robot.pm b/exercises/practice/robot-simulator/lib/Robot.pm
index f23bc6fb..7d840736 100644
--- a/exercises/practice/robot-simulator/lib/Robot.pm
+++ b/exercises/practice/robot-simulator/lib/Robot.pm
@@ -1,4 +1,4 @@
-use v5.42;
+use v5.44;
 use experimental qw<class>;
 
 class Robot;
diff --git a/exercises/practice/roman-numerals/.meta/solutions/lib/RomanNumerals.pm b/exercises/practice/roman-numerals/.meta/solutions/lib/RomanNumerals.pm
index 78ae8d5b..51b4a62f 100644
--- a/exercises/practice/roman-numerals/.meta/solutions/lib/RomanNumerals.pm
+++ b/exercises/practice/roman-numerals/.meta/solutions/lib/RomanNumerals.pm
@@ -1,8 +1,6 @@
 package RomanNumerals;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<to_roman>;
diff --git a/exercises/practice/roman-numerals/lib/RomanNumerals.pm b/exercises/practice/roman-numerals/lib/RomanNumerals.pm
index f12cea2b..16ab3b81 100644
--- a/exercises/practice/roman-numerals/lib/RomanNumerals.pm
+++ b/exercises/practice/roman-numerals/lib/RomanNumerals.pm
@@ -1,6 +1,6 @@
 package RomanNumerals;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<to_roman>;
diff --git a/exercises/practice/rotational-cipher/.meta/solutions/lib/RotationalCipher.pm b/exercises/practice/rotational-cipher/.meta/solutions/lib/RotationalCipher.pm
index 54e3a12d..a71ae88a 100644
--- a/exercises/practice/rotational-cipher/.meta/solutions/lib/RotationalCipher.pm
+++ b/exercises/practice/rotational-cipher/.meta/solutions/lib/RotationalCipher.pm
@@ -1,8 +1,6 @@
 package RotationalCipher;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<caesar_cipher>;
diff --git a/exercises/practice/rotational-cipher/lib/RotationalCipher.pm b/exercises/practice/rotational-cipher/lib/RotationalCipher.pm
index 45e0a9c4..f85c555d 100644
--- a/exercises/practice/rotational-cipher/lib/RotationalCipher.pm
+++ b/exercises/practice/rotational-cipher/lib/RotationalCipher.pm
@@ -1,6 +1,6 @@
 package RotationalCipher;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<caesar_cipher>;
diff --git a/exercises/practice/run-length-encoding/.meta/solutions/lib/RunLengthEncoding.pm b/exercises/practice/run-length-encoding/.meta/solutions/lib/RunLengthEncoding.pm
index 5e3a1c2b..13ee29ee 100644
--- a/exercises/practice/run-length-encoding/.meta/solutions/lib/RunLengthEncoding.pm
+++ b/exercises/practice/run-length-encoding/.meta/solutions/lib/RunLengthEncoding.pm
@@ -1,8 +1,6 @@
 package RunLengthEncoding;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<encode decode>;
diff --git a/exercises/practice/run-length-encoding/lib/RunLengthEncoding.pm b/exercises/practice/run-length-encoding/lib/RunLengthEncoding.pm
index 4cd07c25..c23e6d18 100644
--- a/exercises/practice/run-length-encoding/lib/RunLengthEncoding.pm
+++ b/exercises/practice/run-length-encoding/lib/RunLengthEncoding.pm
@@ -1,6 +1,6 @@
 package RunLengthEncoding;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<encode decode>;
diff --git a/exercises/practice/saddle-points/.meta/solutions/lib/SaddlePoints.pm b/exercises/practice/saddle-points/.meta/solutions/lib/SaddlePoints.pm
index a580e8f7..256f6668 100644
--- a/exercises/practice/saddle-points/.meta/solutions/lib/SaddlePoints.pm
+++ b/exercises/practice/saddle-points/.meta/solutions/lib/SaddlePoints.pm
@@ -1,8 +1,6 @@
 package SaddlePoints;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<saddle_points>;
diff --git a/exercises/practice/saddle-points/lib/SaddlePoints.pm b/exercises/practice/saddle-points/lib/SaddlePoints.pm
index a78984eb..198ec676 100644
--- a/exercises/practice/saddle-points/lib/SaddlePoints.pm
+++ b/exercises/practice/saddle-points/lib/SaddlePoints.pm
@@ -1,6 +1,6 @@
 package SaddlePoints;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<saddle_points>;
diff --git a/exercises/practice/say/.meta/solutions/lib/Say.pm b/exercises/practice/say/.meta/solutions/lib/Say.pm
index e3476b3b..c566e2a1 100644
--- a/exercises/practice/say/.meta/solutions/lib/Say.pm
+++ b/exercises/practice/say/.meta/solutions/lib/Say.pm
@@ -1,8 +1,6 @@
 package Say;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<say_number>;
diff --git a/exercises/practice/say/lib/Say.pm b/exercises/practice/say/lib/Say.pm
index 4c934c81..3880e331 100644
--- a/exercises/practice/say/lib/Say.pm
+++ b/exercises/practice/say/lib/Say.pm
@@ -1,6 +1,6 @@
 package Say;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<say_number>;
diff --git a/exercises/practice/scrabble-score/.meta/solutions/lib/Scrabble.pm b/exercises/practice/scrabble-score/.meta/solutions/lib/Scrabble.pm
index bebb6be2..2e0549d8 100644
--- a/exercises/practice/scrabble-score/.meta/solutions/lib/Scrabble.pm
+++ b/exercises/practice/scrabble-score/.meta/solutions/lib/Scrabble.pm
@@ -1,8 +1,6 @@
 package Scrabble;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<scrabble_score>;
diff --git a/exercises/practice/scrabble-score/lib/Scrabble.pm b/exercises/practice/scrabble-score/lib/Scrabble.pm
index e278e81d..391053ff 100644
--- a/exercises/practice/scrabble-score/lib/Scrabble.pm
+++ b/exercises/practice/scrabble-score/lib/Scrabble.pm
@@ -1,6 +1,6 @@
 package Scrabble;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<scrabble_score>;
diff --git a/exercises/practice/secret-handshake/.meta/solutions/lib/SecretHandshake.pm b/exercises/practice/secret-handshake/.meta/solutions/lib/SecretHandshake.pm
index 1f988bca..d1d2e968 100644
--- a/exercises/practice/secret-handshake/.meta/solutions/lib/SecretHandshake.pm
+++ b/exercises/practice/secret-handshake/.meta/solutions/lib/SecretHandshake.pm
@@ -1,8 +1,6 @@
 package SecretHandshake;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<handshake>;
diff --git a/exercises/practice/secret-handshake/lib/SecretHandshake.pm b/exercises/practice/secret-handshake/lib/SecretHandshake.pm
index a4f6ad4d..a24205aa 100644
--- a/exercises/practice/secret-handshake/lib/SecretHandshake.pm
+++ b/exercises/practice/secret-handshake/lib/SecretHandshake.pm
@@ -1,6 +1,6 @@
 package SecretHandshake;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<handshake>;
diff --git a/exercises/practice/series/.meta/solutions/lib/Series.pm b/exercises/practice/series/.meta/solutions/lib/Series.pm
index 23fa7d9b..bdbe3b9c 100644
--- a/exercises/practice/series/.meta/solutions/lib/Series.pm
+++ b/exercises/practice/series/.meta/solutions/lib/Series.pm
@@ -1,8 +1,6 @@
 package Series;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<slices>;
diff --git a/exercises/practice/series/lib/Series.pm b/exercises/practice/series/lib/Series.pm
index 74fac7bf..75901155 100644
--- a/exercises/practice/series/lib/Series.pm
+++ b/exercises/practice/series/lib/Series.pm
@@ -1,6 +1,6 @@
 package Series;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<slices>;
diff --git a/exercises/practice/sieve/.meta/solutions/lib/Sieve.pm b/exercises/practice/sieve/.meta/solutions/lib/Sieve.pm
index 6263dab9..37b95a0c 100644
--- a/exercises/practice/sieve/.meta/solutions/lib/Sieve.pm
+++ b/exercises/practice/sieve/.meta/solutions/lib/Sieve.pm
@@ -1,8 +1,6 @@
 package Sieve;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<find_primes>;
diff --git a/exercises/practice/sieve/lib/Sieve.pm b/exercises/practice/sieve/lib/Sieve.pm
index 043fef4a..b2325f38 100644
--- a/exercises/practice/sieve/lib/Sieve.pm
+++ b/exercises/practice/sieve/lib/Sieve.pm
@@ -1,6 +1,6 @@
 package Sieve;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<find_primes>;
diff --git a/exercises/practice/simple-cipher/.meta/solutions/lib/SimpleCipher.pm b/exercises/practice/simple-cipher/.meta/solutions/lib/SimpleCipher.pm
index ea210e1e..3208799b 100644
--- a/exercises/practice/simple-cipher/.meta/solutions/lib/SimpleCipher.pm
+++ b/exercises/practice/simple-cipher/.meta/solutions/lib/SimpleCipher.pm
@@ -1,7 +1,5 @@
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
-use Feature::Compat::Class;
+use v5.40;
+use experimental qw<class>;
 
 class SimpleCipher;
 
diff --git a/exercises/practice/simple-cipher/lib/SimpleCipher.pm b/exercises/practice/simple-cipher/lib/SimpleCipher.pm
index be7ead91..f5b8139f 100644
--- a/exercises/practice/simple-cipher/lib/SimpleCipher.pm
+++ b/exercises/practice/simple-cipher/lib/SimpleCipher.pm
@@ -1,4 +1,4 @@
-use v5.42;
+use v5.44;
 use experimental qw<class>;
 
 class SimpleCipher;
diff --git a/exercises/practice/space-age/.meta/solutions/lib/SpaceAge.pm b/exercises/practice/space-age/.meta/solutions/lib/SpaceAge.pm
index 4397ee33..0a3d7e70 100644
--- a/exercises/practice/space-age/.meta/solutions/lib/SpaceAge.pm
+++ b/exercises/practice/space-age/.meta/solutions/lib/SpaceAge.pm
@@ -1,8 +1,6 @@
 package SpaceAge;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<age_on_planet>;
diff --git a/exercises/practice/space-age/lib/SpaceAge.pm b/exercises/practice/space-age/lib/SpaceAge.pm
index 853c9943..3c49c022 100644
--- a/exercises/practice/space-age/lib/SpaceAge.pm
+++ b/exercises/practice/space-age/lib/SpaceAge.pm
@@ -1,6 +1,6 @@
 package SpaceAge;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<age_on_planet>;
diff --git a/exercises/practice/spiral-matrix/.meta/solutions/lib/SpiralMatrix.pm b/exercises/practice/spiral-matrix/.meta/solutions/lib/SpiralMatrix.pm
index 420af865..22b65982 100644
--- a/exercises/practice/spiral-matrix/.meta/solutions/lib/SpiralMatrix.pm
+++ b/exercises/practice/spiral-matrix/.meta/solutions/lib/SpiralMatrix.pm
@@ -1,8 +1,6 @@
 package SpiralMatrix;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<spiral_matrix>;
diff --git a/exercises/practice/spiral-matrix/lib/SpiralMatrix.pm b/exercises/practice/spiral-matrix/lib/SpiralMatrix.pm
index 49f78485..2d5288c7 100644
--- a/exercises/practice/spiral-matrix/lib/SpiralMatrix.pm
+++ b/exercises/practice/spiral-matrix/lib/SpiralMatrix.pm
@@ -1,6 +1,6 @@
 package SpiralMatrix;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<spiral_matrix>;
diff --git a/exercises/practice/strain/.meta/solutions/lib/Strain.pm b/exercises/practice/strain/.meta/solutions/lib/Strain.pm
index 499c4779..cca3fb5b 100644
--- a/exercises/practice/strain/.meta/solutions/lib/Strain.pm
+++ b/exercises/practice/strain/.meta/solutions/lib/Strain.pm
@@ -1,8 +1,6 @@
 package Strain;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<keep discard>;
diff --git a/exercises/practice/strain/lib/Strain.pm b/exercises/practice/strain/lib/Strain.pm
index 80f08528..3d1f00f9 100644
--- a/exercises/practice/strain/lib/Strain.pm
+++ b/exercises/practice/strain/lib/Strain.pm
@@ -1,6 +1,6 @@
 package Strain;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<keep discard>;
diff --git a/exercises/practice/sublist/.meta/solutions/lib/Sublist.pm b/exercises/practice/sublist/.meta/solutions/lib/Sublist.pm
index b8a9887a..a4ebfd9a 100644
--- a/exercises/practice/sublist/.meta/solutions/lib/Sublist.pm
+++ b/exercises/practice/sublist/.meta/solutions/lib/Sublist.pm
@@ -1,8 +1,6 @@
 package Sublist;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<compare_lists>;
diff --git a/exercises/practice/sublist/lib/Sublist.pm b/exercises/practice/sublist/lib/Sublist.pm
index 7e2c8b16..3b9e5b60 100644
--- a/exercises/practice/sublist/lib/Sublist.pm
+++ b/exercises/practice/sublist/lib/Sublist.pm
@@ -1,6 +1,6 @@
 package Sublist;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<compare_lists>;
diff --git a/exercises/practice/sum-of-multiples/.meta/solutions/lib/SumOfMultiples.pm b/exercises/practice/sum-of-multiples/.meta/solutions/lib/SumOfMultiples.pm
index e576bc0e..bea1d27d 100644
--- a/exercises/practice/sum-of-multiples/.meta/solutions/lib/SumOfMultiples.pm
+++ b/exercises/practice/sum-of-multiples/.meta/solutions/lib/SumOfMultiples.pm
@@ -1,8 +1,6 @@
 package SumOfMultiples;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<sum_of_multiples>;
diff --git a/exercises/practice/sum-of-multiples/lib/SumOfMultiples.pm b/exercises/practice/sum-of-multiples/lib/SumOfMultiples.pm
index 4709c5a5..58b8363a 100644
--- a/exercises/practice/sum-of-multiples/lib/SumOfMultiples.pm
+++ b/exercises/practice/sum-of-multiples/lib/SumOfMultiples.pm
@@ -1,6 +1,6 @@
 package SumOfMultiples;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<sum_of_multiples>;
diff --git a/exercises/practice/triangle/.meta/solutions/lib/Triangle.pm b/exercises/practice/triangle/.meta/solutions/lib/Triangle.pm
index 11ec7323..825c4b82 100644
--- a/exercises/practice/triangle/.meta/solutions/lib/Triangle.pm
+++ b/exercises/practice/triangle/.meta/solutions/lib/Triangle.pm
@@ -1,8 +1,6 @@
 package Triangle;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<is_equilateral is_isosceles is_scalene>;
diff --git a/exercises/practice/triangle/lib/Triangle.pm b/exercises/practice/triangle/lib/Triangle.pm
index 7fd3e049..e2f2c6a5 100644
--- a/exercises/practice/triangle/lib/Triangle.pm
+++ b/exercises/practice/triangle/lib/Triangle.pm
@@ -1,6 +1,6 @@
 package Triangle;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<is_equilateral is_isosceles is_scalene>;
diff --git a/exercises/practice/twelve-days/.meta/solutions/lib/TwelveDays.pm b/exercises/practice/twelve-days/.meta/solutions/lib/TwelveDays.pm
index f4676000..f606f387 100644
--- a/exercises/practice/twelve-days/.meta/solutions/lib/TwelveDays.pm
+++ b/exercises/practice/twelve-days/.meta/solutions/lib/TwelveDays.pm
@@ -1,8 +1,6 @@
 package TwelveDays;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<recite>;
diff --git a/exercises/practice/twelve-days/lib/TwelveDays.pm b/exercises/practice/twelve-days/lib/TwelveDays.pm
index a19c6ec3..cb9f0998 100644
--- a/exercises/practice/twelve-days/lib/TwelveDays.pm
+++ b/exercises/practice/twelve-days/lib/TwelveDays.pm
@@ -1,6 +1,6 @@
 package TwelveDays;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<recite>;
diff --git a/exercises/practice/two-bucket/.meta/solutions/lib/TwoBucket.pm b/exercises/practice/two-bucket/.meta/solutions/lib/TwoBucket.pm
index 0b2a2655..c842660e 100644
--- a/exercises/practice/two-bucket/.meta/solutions/lib/TwoBucket.pm
+++ b/exercises/practice/two-bucket/.meta/solutions/lib/TwoBucket.pm
@@ -1,8 +1,6 @@
 package TwoBucket;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<measure>;
diff --git a/exercises/practice/two-bucket/lib/TwoBucket.pm b/exercises/practice/two-bucket/lib/TwoBucket.pm
index 3c42dd81..6e43af80 100644
--- a/exercises/practice/two-bucket/lib/TwoBucket.pm
+++ b/exercises/practice/two-bucket/lib/TwoBucket.pm
@@ -1,6 +1,6 @@
 package TwoBucket;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<measure>;
diff --git a/exercises/practice/two-fer/.meta/solutions/lib/TwoFer.pm b/exercises/practice/two-fer/.meta/solutions/lib/TwoFer.pm
index f62fda27..d7832481 100644
--- a/exercises/practice/two-fer/.meta/solutions/lib/TwoFer.pm
+++ b/exercises/practice/two-fer/.meta/solutions/lib/TwoFer.pm
@@ -1,8 +1,6 @@
 package TwoFer;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<two_fer>;
diff --git a/exercises/practice/two-fer/lib/TwoFer.pm b/exercises/practice/two-fer/lib/TwoFer.pm
index 9a551f73..c82754da 100644
--- a/exercises/practice/two-fer/lib/TwoFer.pm
+++ b/exercises/practice/two-fer/lib/TwoFer.pm
@@ -1,6 +1,6 @@
 package TwoFer;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<two_fer>;
diff --git a/exercises/practice/word-count/.meta/solutions/lib/WordCount.pm b/exercises/practice/word-count/.meta/solutions/lib/WordCount.pm
index 070ee67e..57d10e9f 100644
--- a/exercises/practice/word-count/.meta/solutions/lib/WordCount.pm
+++ b/exercises/practice/word-count/.meta/solutions/lib/WordCount.pm
@@ -1,8 +1,6 @@
 package WordCount;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<count_words>;
diff --git a/exercises/practice/word-count/lib/WordCount.pm b/exercises/practice/word-count/lib/WordCount.pm
index 5f7dd4c0..b6b2d6e7 100644
--- a/exercises/practice/word-count/lib/WordCount.pm
+++ b/exercises/practice/word-count/lib/WordCount.pm
@@ -1,6 +1,6 @@
 package WordCount;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<count_words>;
diff --git a/exercises/practice/wordy/.meta/solutions/lib/Wordy.pm b/exercises/practice/wordy/.meta/solutions/lib/Wordy.pm
index 94030033..7318b760 100644
--- a/exercises/practice/wordy/.meta/solutions/lib/Wordy.pm
+++ b/exercises/practice/wordy/.meta/solutions/lib/Wordy.pm
@@ -1,8 +1,6 @@
 package Wordy;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<answer>;
diff --git a/exercises/practice/wordy/lib/Wordy.pm b/exercises/practice/wordy/lib/Wordy.pm
index 76d6954b..0e46c035 100644
--- a/exercises/practice/wordy/lib/Wordy.pm
+++ b/exercises/practice/wordy/lib/Wordy.pm
@@ -1,6 +1,6 @@
 package Wordy;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<answer>;
diff --git a/exercises/practice/yacht/.meta/solutions/lib/Yacht.pm b/exercises/practice/yacht/.meta/solutions/lib/Yacht.pm
index ad732091..033e83ee 100644
--- a/exercises/practice/yacht/.meta/solutions/lib/Yacht.pm
+++ b/exercises/practice/yacht/.meta/solutions/lib/Yacht.pm
@@ -1,8 +1,6 @@
 package Yacht;
 
-use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;
+use v5.40;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<score>;
diff --git a/exercises/practice/yacht/lib/Yacht.pm b/exercises/practice/yacht/lib/Yacht.pm
index 3b19cc39..45ce96ea 100644
--- a/exercises/practice/yacht/lib/Yacht.pm
+++ b/exercises/practice/yacht/lib/Yacht.pm
@@ -1,6 +1,6 @@
 package Yacht;
 
-use v5.42;
+use v5.44;
 
 use Exporter qw<import>;
 our @EXPORT_OK = qw<score>;
diff --git a/templates/module.mustache b/templates/module.mustache
index ec3ead06..7d3dadaa 100644
--- a/templates/module.mustache
+++ b/templates/module.mustache
@@ -1,11 +1,8 @@
 {{^class}}{{#package_comment}}{{&package_comment}}
 {{/package_comment}}package {{&package}};
 
-{{/class}}{{^older_perl_support}}use v5.42;{{#class}}
-use experimental qw<class>;{{/class}}{{/older_perl_support}}{{#older_perl_support}}use strict;
-use warnings;
-use experimental qw<signatures postderef postderef_qq>;{{#class}}
-use Feature::Compat::Class;{{/class}}{{/older_perl_support}}{{#class}}
+{{/class}}use v{{^older_perl_support}}5.44{{/older_perl_support}}{{#older_perl_support}}5.40{{/older_perl_support}};{{#class}}
+use experimental qw<class>;
 class {{&package}};{{/class}}
 {{#subs}}
 use Exporter qw<import>;