For example, the following: use feature ':5.34' You can enable individual features by name (e.g., use feature qw(say fc) for the say and fc keywords), or by using a feature bundle based on the Perl version that introduced them. Perl v5.10 was released in December 2007, and with it came feature, a way of enabling new syntax without breaking backward compatibility. (You may have seen some of these before in May’s post “Perl can do that now!”) The feature pragma There are plenty of Perl developers out there who haven’t kept up with recent (and not-so-recent) improvements to the language and its ecosystem, so I thought I might list a batch. Friday, December 17, 2021, marked the thirty-fourth birthday of the Perl programming language, and coincidentally this year saw the release of version 5.34.
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