Looks like the basic/legacy wallet thing will stop working.

I think I'll ditch it before the announcement. If muun address doesn't work I'll just not bother with zaps.

I suppose there are other extensions nos2x or whatever it is? 
 nostr:nevent1qqswh4fswytuele0pr483uhq0u5k0dljkjks7jvw708y6pqkgm85jpcpr3mhxue69uhhyetvv9uju6rfva5xc6t8dp6x2u3wvdhk6tczypr90hlgjed73xq2jvrjhna4ukdx2yjyqmdslqvjzhh83wj8jd9nuqcyqqqqqqghltw20 

 AFAIK Muun does not offer lightning addresses, and nos2x has no lightning implementation at all.

Maybe give Alby Hub a try? 😉