Notifications is the main one which is still missing (at least on iOS, not sure about android). If notifications are possible for websites, then it would make web dev so much better for vast majority of apps.
Local storage already does a lot of needed data storage (though apple has recently made this complicated with their auto delete after certain period). Local file access for uploads is also now possible on iOS using the Files app.
Local storage already does a lot of needed data storage (though apple has recently made this complicated with their auto delete after certain period). Local file access for uploads is also now possible on iOS using the Files app.