If they mature, and impose little performance penalty, maybe they will be merged into "core" Perl at some point.
Extremely unlikely. In fact, such a keyword has just successfully proved it does not need to be part of the core, and can very well exist as a CPAN module. I'm not saying I complete agree with that sentiment, but it seems to be the current p5p policy.

In reply to Re^3: Pluggable keywords by JavaFan
in thread Pluggable keywords by szabgab

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