Here's the Announcement thread for this newsletter on Mastodon / Pleroma (Fediverse), which is easier to read than a Twitter thread:

Bitcoin Optech newsletter #200 is here:

• summarizes a discussion about the minimum change to Bitcoin’s Script language necessary to enable recursive covenants
• examines a revised proposal to add an OP_TX opcode
• reviews research into adapting output script descriptors for hardware signing devices
• summarizes changes to services and client software
• celebrates the publication of Optech’s 200th regular newsletter

https://bitcoinops.org/en/newsletters/2022/05/18/

https://x0f.org/@bitcoinoptech/108322586038270538