perl5160delta says:

I can't find them on github or metacpan or perldoc.perl.org.

Note: The old pre-5.16.0 dev deltas are on perldoc.perl.org:
https://perldoc.perl.org/5.14.4/perl595delta EXISTS
https://perldoc.perl.org/5.16.0/perl595delta DROPPED
https://metacpan.org/pod/perl595delta 404

In reply to Where are the perldelta files for development releases? by Anonymous Monk

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