I know nothing about this, but there's a flag on https://m.reddit.com https://m.reddit.com that says "Beta", and on https://i.reddit.com https://i.reddit.com th

I know nothing about this, but there's a flag on https://m.reddit.com https://m.reddit.com that says "Beta", and on https://i.reddit.com https://i.reddit.com there's a link to "try the beta", so I think it remains to be seen whether the old version is still available when m gets out of beta.