v23.02: CBDC Backing Layer

We're please to announce the 23.02 release of Core Lightning, named by @whitslack

For a list of all changes, please see the changelog

Highlights for Users

• Now with more bug fixes and stability improvements
• NEW experimental feature: peer storage - back up your encrypted emergency channel backup with your peers
• Access a remote node with a cli flag: lightning-cli --commando=peerid:rune
• Migrate all wrapped segwit UTXOs to native segwit with upgradewallet RPC.
• Large nodes are more performant.

Highlights for the Network

• Protocol updates: Offers (BOLT12) and dual-funding breaking changes to comply with updated lightning spec
• Gossip pruning: CLN channel pruning behavior is in now in line with other implementations

Highlights for Developers

• NEW SQL plugin allows custom queries on most tables in the sqlite3 database.
• signinvoice RPC signs a BOLT11 invoice.
• Schema deprecation is now preserved for posterity in the documentation.

Since 22.11.1, we've had 365 commits by 30 authors over 83 days

A special thanks to the 10 first time contributors:

• Riccardo Casatta @RCasatta
• Joel Klabo @joelklabo
• @ekzyis
• Adi Shankara @adi-shankara
• @w0xlt
• tony-voltage @tony-voltage
• Tony Aldon @tonyaldon
• Gregg Zigler @greggzigler
• Dennis Reimann @dennisreimann
• @daywalker90

~ @endothermicdev, @cdecker, @niftynei and @rustyrussell