I just installed v5.32.1, and confirm that I still get the warning with that version too (on Ubuntu). I suggest contacting the people that make Strawberry Perl to see if they have an explanation.

You can experiment a bit further to verify that the warnings bits are set appropriately, via a BEGIN block in the relevant scope:

% perl-v5.32.1 -e 'use warnings; \
  BEGIN { printf "%vx\n", ${^WARNING_BITS} }'
55.55.55.55.55.55.55.55.55.55.55.55.55.55.55.55.55.55.55
% perl-v5.32.1 -e 'use warnings; no warnings "recursion"; \
  BEGIN { printf "%vx\n", ${^WARNING_BITS} }'
55.55.55.55.45.55.55.55.55.55.55.55.55.55.55.55.55.55.55
% # from which I derive:
% perl-v5.32.1 -e 'use warnings; BEGIN {
  printf "recursion warnings are %senabled\n",
    (0x10 & ord substr ${^WARNING_BITS}, 4, 1) ? "" : "not "
}'
recursion warnings are enabled
%

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In reply to Re^4: Unnesting deeply nested HTML elements (Deep recursion on subroutine "HTML::Element::delete") by hv
in thread Unnesting deeply nested HTML elements (Deep recursion on subroutine "HTML::Element::delete") by mldvx4

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