Don't put too much weight in version numbers, they don't indicate code maturity in any reasonable fashion.
The docs for Crypt::Twofish::PP claim there are no (known) bugs, so unless you find otherwise in practice why not use it?

In reply to Re: Installing Crypt::Twofish by Ven'Tatsu
in thread Installing Crypt::Twofish by Wassercrats

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