We have lot's of not fully connected features (phpunit, composer, built-in server, profiling). We have to improve relations between them.
PHP 8.0 support
Updated May 13, 2020
Upcoming PHP major release
Introduce own internal model
Updated May 13, 2020
PDT should abandon old Java-inspired DLTK model. In past allows us to fast adopt PHP 5 class model, now it's our main limitation.