By default it seems NixOS ships with perl version 32:
➜ perl --version
This is perl 5, version 32, subversion 1 (v5.32.1) built for x86_64-linux-thread-multi
search.nixos.org/packages lists the perl
package at version 5.34.0. However, when I try to include that package, perl still reports version 5.32:
➜ nix-shell -p perl
➜ perl --version
This is perl 5, version 32, subversion 1 (v5.32.1) built for x86_64-linux-thread-multi
Am I understanding the package version wrong or am I loading the perl package incorrectly?