Define the browser support matrix

[stasm]

What is the intended browser support matrix for https://screenshots.firefox.com?

I'm asking because in projectfluent/fluent.js#133 we're considering dropping the support for old versions of Chrome and Firefox as well as the support for IE11. Fluent is used the localize the Screenshots website. Dropping the support would mean that the fluent/compat builds would contain async functions and function* generators, which cause syntax errors in browsers which don't support them.

[stasm]

FYI, here's the list of browser versions we're currently considering supporting in Fluent's compat builds:

Firefox >= 52,
FirefoxAndroid >= 52,
Chrome >= 55,
ChromeAndroid >= 55,
Edge >= 15,
Safari >= 10.1,
iOS >= 10.1

Would that work for Screenshots?

[ianb]

We do server-side rendering and localization, so if client-side localization is broken it won't keep people from viewing pages. So dropping IE11 support won't keep IE11 users from viewing screenshots.

We don't have a specific browser support matrix, but the one you propose will work fine for us.

[stasm]

Thanks, @ianb. Sorry if I'll make you repeat the same thing again, but I'd like to make sure Fluent doesn't cause trouble for you. If we drop IE11 support, the fluent/compat module will cause syntax errors in the entire shot-bundle.js. All JS will be broken because of this. However, the website is served pre-rendered and pre-localized, and the minimal functionality of viewing screenshots will continue to work even in those older browsers. Did I get that right?