6.0.0

@metamask/kernel-browser-runtime 0.5.0

Added

• Add console forwarding utilities (setupConsoleForwarding, handleConsoleForwardMessage, isConsoleForwardMessage) (#798)
• Add caplet vat support to kernel facade and subcluster launching (#753)
• Add CapTP infrastructure (background-captp, kernel-captp, kernel-facade) (#751)
  • Add system subclusters support and kernel facet service via CapTP (#803)
  • Add RPC handler modules and export ocapUrl* methods for offline use (#823)
• Add relay query string utilities and relay-based kernel worker initialization (#638)
  • Add resetStorage query parameter support and remove createWorkerUrlWithRelays export (#642)
• Add PlatformServicesClient and PlatformServicesServer for kernel-to-kernel network comms (#578)
  • Add location hints parameter to sendRemoteMessage in PlatformServicesClient and PlatformServicesServer (#666)
  • Add automatic reconnection with exponential backoff to PlatformServicesClient and PlatformServicesServer (#678)
  • Change PlatformServicesServer to no-op instead of throwing when stopping uninitialized remote comms (#692)
  • Add explicit connection management (closeConnection) to PlatformServicesClient and PlatformServicesServer (#699)
  • Reject promises on connection loss in PlatformServicesClient and PlatformServicesServer (#706)
  • Refactor remote location hint handling in PlatformServicesClient and PlatformServicesServer (#712)
  • Add message sequencing and acknowledgment to PlatformServicesClient and PlatformServicesServer (#744)
  • Rename initNetwork to initTransport in PlatformServicesServer (#749)
  • Add kernel incarnation detection to PlatformServicesClient and PlatformServicesServer (#788)
  • Handle reconnection to restarted peers with incarnation ID detection (#807)
  • Update PlatformServicesClient and PlatformServicesServer for ken protocol (#811)
  • Add cross-incarnation wake detection to PlatformServicesClient and PlatformServicesServer (#822)
  • Add getListenAddresses() method to PlatformServicesClient (returns empty array in browser) (#839)

Changed

• BREAKING: Drop Node 20 support (#837)
• BREAKING: Remove ./default-cluster export (#834)
• Simplify kernel worker initialization (#718)
• Move default cluster startup to background and add internal comms infrastructure (#709)
• Migrate to JsonRpcEngine v2 for kernel worker middleware (#707)
• Bump @metamask/snaps-utils from ^9.1.0 to ^11.6.1 (#682)

Fixed

• Fix persistence handling in VatWorkerClient and VatWorkerServer (#604)

@metamask/kernel-errors 0.5.0

Added

• Add permanent failure detection and network error code utilities (#789)
• Add isResourceLimitError() utility (#776)
• Add ResourceLimitError error class (#714)
• Add EvaluatorError and SampleGenerationError error classes (#695)
• Add AbortError and isRetryableNetworkError() utility (#678)
• Add DuplicateEndowmentError (#619)

Changed

• BREAKING: Drop Node 20 support (#837)

Fixed

• Improve retryable network error detection (#697)

@metamask/kernel-platforms 0.1.0

Added

• Initial release.

@metamask/kernel-rpc-methods 0.5.0

Changed

• BREAKING: Drop Node 20 support (#837)

@metamask/kernel-shims 0.4.0

Added

• Add ./endoify-node export for Node.js-specific lockdown initialization (#787)
• Add ./endoify-repair export for repairIntrinsics-only lockdown (#578)

Changed

• BREAKING: Drop Node 20 support (#837)

@metamask/kernel-store 0.5.0

Added

• Support absolute database paths (#821)
• Add close() method to KernelDatabase (#692)

Changed

• BREAKING: Drop Node 20 support (#837)

@metamask/kernel-ui 0.4.0

Added

• Add Remote Comms UI panel (#637)
  • Update RemoteComms status display to use state ('connected' | 'identity-only' | 'disconnected') instead of isInitialized boolean (#823)
• Include error details in garbage collection failure messages (#578)

Changed

• BREAKING: Drop Node 20 support (#837)
• Remove reload kernel action and reloadSubcluster from UI controls (#836)
• Update MetaMask design system dependencies and React peer dependency to v18 (#746)
• Use connectToKernel instead of establishKernelConnection for kernel stream setup (#709)

Fixed

• Move react and react-dom to peerDependencies and fix build externals (#652)

@metamask/kernel-utils 0.4.0

Added

• Add vat bundle utilities (#763)
• Add ./libp2p export with startRelay() and ifDefined() utility (#843)
• Add Promisified<T> utility type (#752)
• Add makeDiscoverableExo() constructor (#705)
• Add retry utilities with exponential backoff and wake detection (#678)
• Add mergeDisjointRecords() utility (#619)
• Add makeDefaultExo utility (#612)
• Add hex encoding utilities (#578)

Changed

• BREAKING: Drop Node 20 support (#837)

@metamask/logger 0.6.0

Added

• Add tagless console and file transports (#828)

Changed

• BREAKING: Drop Node 20 support (#837)
• Make Logger obey log level settings (#703)

@metamask/ocap-kernel 0.6.0

Added

• Add TextEncoder, TextDecoder, setTimeout, and clearTimeout to vat globals allowlist (#856)
• Add IOManager and IO kernel service for vat I/O streams (#840)
• Add system subclusters and kernel facet service (#803)
  • Restrict kernel services to system subclusters only (#833)
  • Return generic "no registered kernel service" error for system-only services requested by non-system subclusters (#838)
• Buffer vat outputs to make cranks transactional (#794)
  • Enqueue async vat syscalls immediately when outside a crank (#848)
• Add caplet vat type for lightweight vat configurations (#753)
• Add CapTP infrastructure for kernel-to-kernel communication (#751)
• Prevent vat endowment names from being overridden (#619)
• Add kernel-to-kernel remote communication via libp2p (#578)
  • Add remoteComms status to Kernel.getStatus() output (#637)
  • Add relays parameter to initRemoteComms for configuring relay servers (#638)
  • Add location hint support to OCAP URL handling (#666)
  • Fix kernel restart with open remote connections (#677)
  • Add automatic reconnection with exponential backoff for remote comms (#678)
  • Fix remote endpoint initialization to occur during registration rather than construction (#681)
  • Fix shutdown handling to properly sequence crank completion, stream closing, and remote comms teardown (#692)
  • Fix remote message queueing during connection establishment (#697)
  • Add explicit connection management for intentional disconnects (#699)
  • Reject pending promises on connection loss (#706)
  • Refactor remote location hint handling and add registerLocationHints platform service (#712)
  • Add timeout handling for remote message sends and URL redemptions (#713)
  • Add resource limits for remote communications (#714)
  • Add message sequencing and acknowledgment to remote messaging (#744)
  • Persist pending messages and sequence state in RemoteHandle across restarts (#760)
  • Add rate limiting for remote messages and connections (#776)
  • Add BIP39 mnemonic support for kernel identity seed recovery (#780)
  • Add kernel incarnation detection protocol for identifying peer restarts (#788)
  • Add permanent failure detection for reconnection attempts (#789)
  • Add incarnation ID infrastructure and handshake module (#800)
  • Handle reconnection to restarted peers with incarnation ID detection (#807)
  • Complete Ken protocol implementation for reliable remote message delivery (#811)
  • Implement distributed garbage collection protocol for remote references (#814)
  • Add cross-incarnation wake detection to reset backoffs on peer restart (#822)
  • Enable OCAP URL issuance and redemption without active remote comms (#823)
  • Add direct transport support (QUIC + TCP) for Node.js peer connections (#839)
  • Add initRemoteComms and registerLocationHints RPC methods for kernel control (#849)
  • Fix trailing comma in OCAP URLs when no relays are known (#850)
  • Allow plain ws:// connections for relay dialing (#855)
  • Restrict plain ws:// relay dialing to private and explicitly allowed addresses (#857)
  • Accept allowedWsHosts parameter in initRemoteComms RPC (#858)
  • Re-dial relays on connection close with exponential backoff (#860)

Changed

• BREAKING: Drop Node 20 support (#837)
• Close database in Kernel.stop() (#845)
• Remove reloadConfig and reloadSubcluster methods from Kernel (#836)
• Export Baggage and VatPowers types (#801)
• Load vat bundles via Vite instead of @endo/import-bundle (#763)
• Extract VatManager and SubclusterManager from Kernel class (#651)
  • Extract RemoteManager and KernelServiceManager from Kernel class (#653)
• Migrate kernel service dispatch from Far to makeExo (#612)

Fixed

• Disable cache for default bundle fetch (#802)
• Clean up orphan messages during recovery (#769)
• Fix message delivery to terminated vats (#617)
• Handle messages remaining in queue after kernel restart (#611)
• Fix kernel initialization and operation with persistent storage (#604)

@metamask/streams 0.5.0

Changed

• BREAKING: Drop Node 20 support (#837)