* No separate types of bytestrings versus sequences of unicode codepoints.
Fixed in Raku. You either have a string (Str) or a bytestream (Blob).
* Wherever there's strings in any non-trivially-sized real-word Perl 5 project, there is utter irreversible and irredeemable mojibake.
No mojibake in Raku.
* No canonical way to do object-orientation. (cf. blessed objects, Moo in different versions, and different conventions around how to use them) -- This stuff should be easy in 2026. Perl makes this easy thing really hard.
Raku has single object / type system.
* Regexes suck. Their brevity is a nice circus stunt for a computer science audience, but unless you follow very particular patterns for composing them from ergonomically named constants, etc. etc. (which "in the wild" I rarely see), they are very unergonomic.
Raku regexes allow arbitrary whitespace, can contain comments and are composable.
Grammars are collections of tokens / rules / regexes that can be used to build an AST, and actions that can take that AST and build another data structure of it. A grammar is used to parse Raku itself.
Grammars can be subclassed or have rules / regexes mixed in (slangs).
* The Perl 5/CPAN ecosystem has been left to rot and is no longer safe for consumption.
The Raku ecosystem, albeit much smaller, is growing and actively maintained: https://raku.land
The Rakudo implementation of the Raku Programming Language uses the MoarVM, which is pretty much a generic VM. All you need to do(TM) is write a grammar and associated actions to build the right bytecode out of the given Python source.
My instincts about raku were always that perl was too fiddly, so why would I want perl 6, and this isn't doing anything to dissuade me from that position.
Fixed in Raku. You either have a string (Str) or a bytestream (Blob).
* Wherever there's strings in any non-trivially-sized real-word Perl 5 project, there is utter irreversible and irredeemable mojibake.
No mojibake in Raku.
* No canonical way to do object-orientation. (cf. blessed objects, Moo in different versions, and different conventions around how to use them) -- This stuff should be easy in 2026. Perl makes this easy thing really hard.
Raku has single object / type system.
* Regexes suck. Their brevity is a nice circus stunt for a computer science audience, but unless you follow very particular patterns for composing them from ergonomically named constants, etc. etc. (which "in the wild" I rarely see), they are very unergonomic.
Raku regexes allow arbitrary whitespace, can contain comments and are composable.
Grammars are collections of tokens / rules / regexes that can be used to build an AST, and actions that can take that AST and build another data structure of it. A grammar is used to parse Raku itself.
Grammars can be subclassed or have rules / regexes mixed in (slangs).
* The Perl 5/CPAN ecosystem has been left to rot and is no longer safe for consumption.
The Raku ecosystem, albeit much smaller, is growing and actively maintained: https://raku.land
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