in reply to Re: Why do I need 'use 5.010;' ahen I am running '5.24'
in thread Why do I need 'use 5.010;' ahen I am running '5.24'

"To answer the part of your question that hasn't been addressed ("Why do I even need to do this at all? Why doesn't it just use all available features by default?"): Backwards compatibility."

It has been addressed, it's discussed in feature linked to in first reply, and expanded upon in others.

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Re^3: Why do I need 'use 5.010;' ahen I am running '5.24'
by dsheroh (Monsignor) on Jul 03, 2017 at 07:53 UTC
    Nonetheless, it hadn't been previously addressed in this topic on this site, only in linked documents, where it is not visible to someone reading only this discussion. Please forgive my imprecision in omitting the limiting clause.