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Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[0.8.2] - 2026-04-05

Added

  • Per-collection, sync-mode-aware Automerge CRDT compaction to prevent unbounded memory growth on long-running nodes and mobile devices (peat#760). Compaction only runs on LatestOnly sync-mode collections, preserving change history needed for delta sync on FullHistory collections. Disabled by default; enable with PEAT_COMPACTION_ENABLED=true.

[0.8.1] - 2026-04-03

Fixed

  • Formation auth handshake deadlock over iroh 0.97 connections (#759). accept_bi() requires the opener to write before the peer can accept the stream — the initiator now sends a FORMATION_AUTH_VERSION preamble byte immediately after open_bi(), unblocking the acceptor.

Added

  • Integration tests for formation auth handshake over live iroh connections (successful auth and wrong-key rejection).

[0.8.0] - 2026-04-02

Security

  • BREAKING: Enforce mandatory formation credentials on all Iroh QUIC connections
    • FormationKey is now required (not optional) for SyncProtocolHandler and MeshSyncTransport
    • New FormationEndpointHooks gates ALL QUIC connections (sync, blobs) at transport level — only formation members accepted
    • New FormationPeerSet tracks known formation member EndpointIds, populated by discovery
    • Outgoing sync connections now run respond_to_formation_auth() HMAC challenge-response
    • Removed "warn-and-allow" certificate mode — certificates are always hard-enforced when configured
    • Removed PEAT_REQUIRE_CERTIFICATES env var — certificates always required when bundle is present

Added

  • FormationPeerSet type in security::formation_peers for thread-safe peer tracking
  • FormationEndpointHooks in storage::iroh_blob_store for QUIC-level connection gating
  • MeshSyncTransport::connect_and_authenticate() for authenticated outbound connections
  • SyncTransport::get_or_connect() trait method with default fallback implementation
  • NetworkedIrohBlobStore::build_endpoint_with_formation_peers() for production endpoint construction

Changed

  • SyncProtocolHandler::new() now requires FormationKey parameter (breaking)
  • SyncProtocolHandler::with_certificate_bundle() no longer takes require parameter (breaking)
  • MeshSyncTransport::new() now requires FormationKey parameter (breaking)
  • PeerConnector::new() now requires FormationPeerSet parameter (breaking)
  • PeerConnector::with_certificate_bundle() no longer takes require parameter (breaking)
  • All sync connection sites use get_or_connect() instead of get_connection() for authenticated fallback

[0.2.0] - 2026-02-20

Added

  • Extract sync modules from peat-protocol into peat-mesh (automerge_sync, sync_channel, sync_forwarding)
  • Wire AutomergeSyncCoordinator into peat-mesh-node binary with 5s polling task
  • Update deployment guide for Automerge sync stack

Fixed

  • Apply cargo fmt and clippy fixes for CI compliance

[0.1.0] - 2026-02-18

Added

  • Initial extraction as standalone crate from peat-protocol
  • Complete Peat-Lite CRDT encodings, query handler, and InMemoryBackend
  • Kubernetes support: discovery, headless service, StatefulSet (ADR-0001)
  • Kubernetes deployment infrastructure: Dockerfile, Helm chart, health probes (ADR-0001 Phase 2)
  • HTTP/WS service broker with REST API and WebSocket event streaming
  • Device keypair (Ed25519) and formation key security primitives
  • mDNS, static, and Kubernetes peer discovery strategies
  • Topology management with partition detection and autonomous operation
  • Beacon broadcasting and observation for geographic mesh awareness
  • GOA CI script for Radicle patches
  • ADR-0001 through ADR-0009 transferred from peat repo
  • README with CI and usage details

Fixed

  • CI pipe buffer deadlock (redirect verbose output to log file)
  • Add crates.io metadata for discoverability