The Perldelta files for a development version are distributed with the development version, for example Perl 5.43.9 contains the Perldelta files for the 5.43 versions.

What goes into a stable Perl release is then summarized from the perldelta files.

In reply to Re: Where are the perldelta files for development releases? by Corion
in thread Where are the perldelta files for development releases? by Anonymous Monk

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