I'm very skeptical with it being a 'Reddit alternative' but we'll see and lets give it some time and see what happens when it is tested against Reddit's network effect.
Other than that, Rust seems to be a great choice with Lemmy here.
With Reddit practically pulling the plug on API access for third party clients, many communities just don't have much of a choice but to adapt and migrate in order to stay connected with each other, as well as maintain access to their surrounding online social networks. The blind community being among those notably impacted:
I'm not sure how it works, but mastodon at least seems to download the custom emoji from other servers and displays them graphically. I haven't tested this on lemmy, but I assume it works the same.
Other than that, Rust seems to be a great choice with Lemmy here.