Perl 6 - Template::Mustache nested hash rendered ordering incorrect

template-mustache-nested-hashes.pl6

#!/usr/bin/env perl6

use v6;

use Template::Mustache;

my %h = categories => [
    category_pages => [{
        title => "Perl 6",
        url   => "https://www.perl6.org"}, {
        title => "Perl 6 Modules",
        url   => "https://modules.perl6.org"}],
    title => "General tasks"];


my $html = q:to/EOF/;
{{#categories}}
{{ title }} <!-- should be first item -->
{{#category_pages}}
{{ title }} : {{ url }}</br>
{{/category_pages}}
{{/categories}}
EOF

say Template::Mustache.render: $html, %h;

# Output
#
# <!-- should be first item -->
# Perl 6 : https://www.perl6.org</br>
# Perl 6 Modules : https://modules.perl6.org</br>
# General tasks <!-- should be first item -->