RGB. Basically think of anything a shitcoin could do from scaling to privacy to tokens and smart contracts, and then give all the powers to bitcoin without a single soft fork, new op code, or any drive chains controversy. The final spec, v0.12 (its essentially an ossified spec) is out.

It works on L1 and L2.

https://njump.me/nevent1qqsfnkl5lxy8wtdr3pswm22v9ex4m6z75zc4e6agr3zufmqdcyn27dspz4mhxue69uhkummnw3ezummcw3ezuer9wchsyg82y35r8mw72vfy2uysv4e53ky0ftk45lzfqnh4fyg7khzjue7ggcpsgqqqqqqsevsgqg