It's already the case that the a user engagement heuristic (along with other criteria) must be met before the prompt appears, but the engagement heuristics vary

It's already the case that the a user engagement heuristic (along with other criteria) must be met before the prompt appears, but the engagement heuristics vary between browsers, see https://developers.google.com/web/fundamentals/app-install-banners/#criteria https://developers.google.com/web/fundamentals/app-install-b...