This week on Nostr Compass: rust‑nostr ships a sweeping SDK redesign impacting core APIs. Nostria 3.0 launches with a complete UX overhaul while Vector pushes massive SIMD performance gains. Frostr arrives on iOS, marketplace and AI‑native social apps expand the ecosystem, and we explore new NIP proposals for podcasting, wallet workflows, local databases, and encrypted social models.

### Infrastructure and Ecosystem Growth

- **rust‑nostr SDK redesign** – 21 PR overhaul bringing consistency to client, relay, and signer APIs

- **Instagram → Nostr v2** – Content migration tooling lowering onboarding friction

- **Pod21** – Decentralized 3D printing marketplace coordinated via Nostr messaging

- **Clawstr** – AI‑agent moderated communities built on open protocol interaction

### App Releases

- **Ridestr v0.2.0** – Trusted driver networks and improved escrow reliability

- **Nostria 3.0** – Dual‑pane navigation, unified UI, advanced filtering and list management

- **Applesauce v5.1.0** – Signer controls, async loading utilities, and event mapping updates

- **NAK v0.18.3** – Stability hardening and CLI resilience improvements

- **Aegis v0.3.7** – Browser signing visibility and encryption tracking

- **BitChat v1.5.1** – Mesh security hardening and identity spoof prevention

- **KeyChat v1.39.2** – Adds NIP‑47 wallet connectivity

- **Nostrmo v3.5.0** – Flexible feed architecture and routing improvements

- **NosCall v0.5.0** – Contact groups and relay optimization for P2P calls

- **diVine 1.0.4** – Nostr key workflow testing and interoperability fixes

- **Frostr iOS** – Threshold signing distributed across Apple devices

### Client + Project Updates

- **Damus relay hints** – Cross‑relay discovery via NIP‑19 references

- **Primal Android** – Encrypted NWC wallet connectivity and export tooling

- **Marmot SDK** – Message persistence and retryable state handling

- **HAVEN relay** – Periodic Web‑of‑Trust refresh

- **nostr‑tools / NDK** – Reliability and parsing improvements

- **njump / Amethyst / Jumble / Formstr / Pollerama** – Gateway rendering, media uploads, encrypted forms, and DM poll sharing

- **Vector** – Massive SIMD acceleration and encrypted group messaging stack

### Protocols and NIPs

- **NIP‑47** – Hold invoices enabling escrow‑style payment flows

- **NIP‑05** – Explicit lowercase enforcement for identity validation

- **NIP‑73** – Country‑code geotagging

- **NIP‑82** – Cross‑platform software distribution standard

- **NIP‑74** – Podcast publishing event model

- **NIP‑FR** – Friends‑only encrypted note sharing

- **NIP‑DB** – Browser‑native local event database interface

- **TRUSTed Filters** – Delegated ranking and moderation infrastructure

- **NIP‑9a** – Relay‑driven push notifications

- **Catallax** – Escrowed decentralized contract work protocol

- **NIP‑59** – Gift‑wrap multi‑layer encryption for metadata privacy

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### Timestamps

00:00 Nostr Development Updates

00:19 rust-nostr Ships Major API Redesign

02:00 Onboarding New Developers and Users

04:28 Bridging Social Networks

07:04 Community Building and User Engagement

09:52 Marketplaces and NIP Protocols

10:23 Pod21: Decentralized 3D Printing Network

12:51 Clawstr: AI Agent Social Network

17:22 Ridestr v0.2.0: RoadFlare Release

18:31 Nostria v3.0

24:28 Applesauce v5.1.0

27:07 nostr army knife v0.18.3

28:31 Aegis v0.3.7

29:18 BitChat v1.5.1 (iOS)

29:59 KeyChat v1.39.2

30:19 Nostrmo v3.5.0

31:49 Noscall v0.5.0

32:30 diVine 1.0.4

33:22 Frostr iOS Test Flight

37:44 Damus New Implementation

41:23 Marmot Protocol Typescript Implementation

42:10 Amber integration on the Rust side

43:53 Haven Update

44:23 Nostr Tools

48:41 Changes to njump

49:01 Amethyst Fixes

49:22 Jumble New Ability

51:19 Formstr Update

52:11 Security Enhancements in Nostr Applications

52:47 Pollerama

53:58 Nostrability Schemata

56:23 Vector

01:01:19 NIP Updates

01:01:27 NIP-47: Hold Invoice Support

01:03:54 NIP-05: Lowercase Requirement

01:06:57 NIP-73: Country Codes

01:07:27 NIP-82: Software Applications

01:13:18 NIP-74: Podcasts

01:15:16 NIP-FR: Friends-Only Notes

01:19:51 NIP-DB: Browser Nostr Event Database Interface

01:24:15 TRUSTed Filters

01:24:50 NIP-9a: Push Notifications

01:25:29 Catallax

01:27:57 NIP Deep Dive: NIP-47 (Nostr Wallet Connect)

01:33:46 NIP Deep Dive: NIP-59 (Gift Wrap)

01:45:35 Outro