We can somewhat expand this answer a bit, in that the "default 5.14.2 mode" tries to be very close to 5.8.x, except for fixed bugs and enhancements that do not conflict with 5.8.x.

In the end, a careful study of perldelta is likely a good approach.

In reply to Re^4: Which version does Perl 5.14.2 defaults to? by Corion
in thread Which version does Perl 5.14.2 defaults to? by shajiindia

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