One problem with the web platform I’m thinking about how to solve: keyboard shortcuts.
I’ve written what I see as the requirements here: 
I want to hear from devs who’ve worked on big apps/sites with shortcuts and see what I’m missing, and how they’ve solved this.
GitHub
open-ui/site/src/pages/components/shortcuts.explainer.mdx at 7d69226ed68447fba3a5ab844b7740c8b60e1d2c · openui/open-ui
Maintain an open standard for UI and promote its adherence and adoption. - openui/open-ui