schnorr signatures are finally on the way! sipa published draft BIPs specifying how taproot and schnorr can be implemented in bitcoin:
https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2019-May/016914.html

lightning network adoption is also chugging along nicely. as of right now, there are more than 10k nodes, 35k payment channels, and a total of 850 BTC capacity across the network. https://twitter.com/LNstats/status/1204193806758948869