The Tweet that kicked off the Twitter thread that shared this newsletter was:

Bitcoin Optech newsletter #193 is here:

• describes a proposal for Bitcoin Core to allow replacing transaction witnesses in its mempool
• summarizes continued discussion about updating the LN gossip protocol
• summarizes Stack Exchange Q&A

https://bitcoinops.org/en/newsletters/2022/03/30/

The full Twitter thread, unrolled, here:

Thread by @bitcoinoptech on Thread Reader App https://threadreaderapp.com/thread/1509120307746988032.html