Do you know where the problem is, or where to find a solution?
I don't really understand the issue - but here are some things you could try if no-one here comes up with some knowledgeable advice.
The problematic line 28 in Tabs.pm is:
$offs = () = /\PM/g;
One thing you could do is to replace the cpan/Text-Tabs in the perl-5.38.0 source with the version that shipped with perl-5.34.0. That's actually what I would try first - but I'm not recommending that you do as I do.
(The Tabs.pm that shipped with 5.36.0 contains the same problematic construct as the 5.38.0 version - so I don't see much point in testing it.)
A more responsible thing to do would be to raise an issue about this at
https://github.com/ap/Text-Tabs/issues and see what the Text::Tabs maintainer has to say about it.
Or you could also try using the
current github repo source. However, although line 28 has been changed, it still contains the same troublesome
/\PM/g construct.
You might also get some good advice by raising an issue about this at
https://github.com/Perl/perl5/issues, though they might fob you off because it's a "cpan" distro, and not really p5p's responsibility to fix.
That's about all I can think of.
Cheers,
Rob