These are features of Perl 6 (either core functionality or in the setting) that are in high demand by authors. Some of them are prerequisites to building or porting most-wanted modules, and some of them are needed for everyday programming tasks.
- Unsigned sized native types
- Diamond role composition
- Proper signal handling
- Good base performance (at least not much slower than Perl 5)
- Async socket and file IO
poll()in addition to non-blocking sockets- Solid native or hybrid threads