Issues

• Automatically trace Cap'n Web RPC calls with Workers custom spans

  enhancement
  Feature

  cloudflare/capnweb#269 · Filter by author dimitropoulos opened on Sep 18, 2026
  2

• getImport() returns the id of an already-settled import, sending a released id to the peer

  cloudflare/capnweb#265 · Filter by author Kanishkrawatt opened on Sep 9, 2026

• use twoslash in docs example generation

  Feature

  cloudflare/capnweb#260 · Filter by author dimitropoulos opened on Sep 4, 2026

• onRpcBroken should return a Disposable so registrations can be undone

  enhancement
  Feature

  cloudflare/capnweb#234 · Filter by author dimitropoulos opened on Aug 10, 2026
  1

• support Map serialization type

  Feature

  cloudflare/capnweb#230 · Filter by author dimitropoulos opened on Aug 5, 2026

• ReadableStream cannot be returned through a forwarded stub

  Bug

  cloudflare/capnweb#228 · Filter by author MiguelsPizza opened on Jul 31, 2026

• support Set serialization type

  Feature

  cloudflare/capnweb#221 · Filter by author dimitropoulos opened on Jul 27, 2026

• onRpcBroken callbacks are retained for the session's lifetime after their import is disposed (and fire at teardown)

  cloudflare/capnweb#210 · Filter by author martijnwalraven opened on Jul 10, 2026
  1

• Support serializing/deserializing Response objects with a websocket

  Feature

  cloudflare/capnweb#187 · Filter by author jonastemplestein opened on Jun 3, 2026
  2

• exposing WorkerEntrypoints via Cap'n Web

  Feature

  cloudflare/capnweb#182 · Filter by author dimitropoulos opened on May 22, 2026

• Cap'n Proto in Wasm

  Feature

  cloudflare/capnweb#181 · Filter by author dimitropoulos opened on May 22, 2026

• RPC reconciliation

  Feature

  cloudflare/capnweb#180 · Filter by author dimitropoulos opened on May 22, 2026

• Cap'n Proto bridge

  Feature

  cloudflare/capnweb#179 · Filter by author dimitropoulos opened on May 22, 2026
  2

• deploy examples to a website

  Task

  cloudflare/capnweb#178 · Filter by author dimitropoulos opened on May 22, 2026

• schema introspection queries

  Feature

  cloudflare/capnweb#177 · Filter by author dimitropoulos opened on May 22, 2026
  1

• improve Auth0 docs example

  documentation
  Task

  cloudflare/capnweb#175 · Filter by author dimitropoulos opened on May 22, 2026

• memory leak on client side with websocket sessions

  Bug

  cloudflare/capnweb#153 · Filter by author VastBlast opened on Mar 19, 2026

• native Promise accepted by types but not serializable at runtime

  Bug

  cloudflare/capnweb#146 · Filter by author VastBlast opened on Mar 8, 2026
  2

  

• exportStub() always allocates a new export ID, even for duplicate capabilities

  Bug

  cloudflare/capnweb#141 · Filter by author Dr-Emann opened on Feb 19, 2026

• ImportTableEntry's remoteRefcount is only ever 1 or 0

  Bug

  cloudflare/capnweb#140 · Filter by author Dr-Emann opened on Feb 19, 2026

• document tsconfig lib/target requirements

  documentation
  Task

  cloudflare/capnweb#112 · Filter by author PizzaConsole opened on Nov 13, 2025
  9

• optional custom fetch implementation

  Feature

  cloudflare/capnweb#66 · Filter by author jahands opened on Sep 30, 2025
  2

• WebSocket Hibernation

  large
  Feature

  cloudflare/capnweb#36 · Filter by author natanparmigiano-paganinitech opened on Sep 23, 2025
  8

• clarify how bidirectional communication should work

  documentation
  Task

  cloudflare/capnweb#30 · Filter by author c43721 opened on Sep 23, 2025
  6