These don't display at all in Internet Explorer 11. You either get a white square or a series of unreadable numbers.
That's a non-starter for my usage unfortunately, as even degraded IE11 support is swing-able, but completely broken means we cannot use it. We're still seeing corporations and government agencies using IE11 on a regular basis.
Wikimedia claims 3.9% of their users are still IE11, we're closer to 10%, but we're also majority desktop rather than mobile users which is also really rare in 2020.
Best way is to chekc for IE11 in JS and display an error message to the user to use Edge/Chrome/FF/etc. That way at least you don't present something broken to the users.
That's a non-starter for my usage unfortunately, as even degraded IE11 support is swing-able, but completely broken means we cannot use it. We're still seeing corporations and government agencies using IE11 on a regular basis.
Wikimedia claims 3.9% of their users are still IE11, we're closer to 10%, but we're also majority desktop rather than mobile users which is also really rare in 2020.