Nostr Compass #2 is out. This week covers three NIP-55 signer updates including Primal Android joining as a full local signer, Shopstr's new Zapsnags flash sale feature, and Mostro's development fund. Four NIP changes landed with Public Messages (kind 24) and major group privacy improvements in NIP-29. On the library side, NDK cache queries got 162x faster and Tenex introduced RAL architecture for AI agent delegation. The deep dive explains NIP-02 and NIP-10, the foundational specs for follow lists and reply threading that make social timelines and conversations work. Essential reading if you're building anything that displays feeds or handles replies. View article →