Please Gods, let them finally facilitate relative line numbers
Terminal Integration also is something that may not happen, but Terminus, which is a terminal emulator package for ST, works really well & is a good solution (The best probably).
Also, why not just move to 3.9?
As to dumping 3.3 and solely relying on 3.8 (not 3.9), I don't think the developers think it worthwhile to dump an entire package ecosystem built in the last 10 years just for a native build.
A subprocess plugin architecture that used IPC to talk to the text editor would solve the problem, since the plugin host process could probably remain x86 and run under Rosetta.