Hi, HTML::Strip has this bug Bug #42834 for HTML-Strip: HTML::Strip breaks UTF-8 The quoted workaround makes your code work as you desire:

use Encode;
use utf8;

sub parse_workaround {
        my $html = shift;
        my $hs = HTML::Strip->new();
        my $octets = encode_utf8($html);
        utf8::downgrade($octets);
        my $stripped = $hs->parse($octets);
        $hs->eof;
        return decode_utf8($stripped);
}
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And subbing in your original code:

        my $clean_text = parse_workaround( $raw_html );
#       my $hs = HTML::Strip->new();
#       my $clean_text = $hs->parse( $raw_html );
#       $hs->eof;
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