[renovate]

Note

This PR body was truncated due to platform limits.

This PR contains the following updates:

Package	Change	Age	Confidence
msw (source)	^1.2.3 → ^3.0.0

---

Release Notes

mswjs/msw (msw)

v3.0.4

Compare Source

v3.0.4 (2026-11-06)

Bug Fixes

• worker: prevent the worker from going idle (#​2830) (6dd1302) @​kettanaito
• isCommonAssetRequest: add ico to common assets (#​2829) (ebffbd4) @​kettanaito

v3.0.3

Compare Source

v3.0.3 (2026-10-10)

Bug Fixes

• HandlersController: dispose of reset handlers (#​2810) (3818a81) @​kettanaito
• expose network context on enable in network sources (#​2809) (d1fe8e6) @​kettanaito

v3.0.2

Compare Source

v3.0.2 (2026-10-03)

Bug Fixes

• vite: support virtual:msw imports in vitest (#​2802) (e73c381) @​kettanaito

v3.0.1

Compare Source

v3.0.1 (2026-09-30)

Bug Fixes

• treat CONNECT requests as the transport mechanism (#​2796) (7cad86a) @​kettanaito

v3.0.0

Compare Source

v3.0.0 (2026-09-28)

• v3.0.0 (#​2692) (2bb4342) @​kettanaito @​Andarist

⚠️ BREAKING CHANGES

• MSW is now ESM-only (#​2765).
• Deprecate support for Node.js v18 and v20 (#​2729). The minimal supported Node.js version is v22.
• msw/native is removed in favor of @msw/react-native.
• Require TypeScript 5.9 as the minimal version.
• Deprecate support for TypeScript 5.1 and 5.2 (#​2730)
• worker.stop() returns a Promise (#​2724). Awaiting it is relevant only for in-flight critical scenarios.
• graphql is now exported as msw/graphql (#​2691). GraphQL is now handled as a proper optional peer dependency.
• Removes the handleRequest() utility. Please use the defineNetwork() API instead.
• GraphQLLinkHandlers type has been renamed to GraphQLLink.
• The file:// requests now throw in Node.js as they normally do (not supported by fetch).
• The Content-Length request header is now removed by bypass().
• HTTP-to-WebSocket upgrade requests performed via fetch() now throw in Node.js as they normally do (not supported by fetch).
• Cookies are no longer managed in Node.js for better compatibility. Instead, whatever is the default behavior of your environment that's the cookie behavior you get. This has no effect on the browser.
• WebSocket connection life cycle event has been renamed to websocket:connection (#​2783).
• onUnhandledRequest option has been renamed to onUnhandledFrame.
• The library no longer patches setTimeout to circumvent fake timers in test runners. You should advance the fake timers normally for delayed mocked responses to resolve.
• The library no longer returns a mocked cookie string on request.headers.get('cookie') in the handlers. It returns null in all environments. Please use the cookies resolver argument to have cookie-based logic.

Features

• Supports Node.js v24 and v26.
• Supports TypeScript v6.0 and v7.0.
• You can import individual utilities, like delay or passthrough, from the new msw/utils entrypoint for smaller footprint on your bundle.
• Support GraphQL v17.0.
• Support intercepting page navigations and form submissions (#​2721).
• Support GraphQL subscriptions (#​285, #​2763).
• Migrate from path-to-regexp to @msw/url (#​2678).
• Remove the following dependencies:
  • graphql
  • path-to-regexp
  • picocolors
  • statuses
  • strict-event-emitter
• Adds a Vite plugin for MSW (#​2781).
• Adds a websocket:error life cycle event to listen to WebSocket connection errors (#​2784).
• Support modifying the intercepted request headers in passthrough scenarios (#​2786).
• Support a new WebSocket Extension API that allows for better custom experiences (#​2791).

Bug fixes

• Fix an issue where preventing a page closure via the beforeunload listener would unregister the MSW worker (#​1105).
• Fix an issue that caused intermittent test failures in Vitest Browser Mode and Firefox if using maxWorkers: 1 (#​2726).
• Fix an issue where in-flight requests were incorrectly passthrough when performed before calling worker.stop() (#​2724, #​2597).
• Fix an issue where persisting cookies in localStorage would cause a maximum quota exceeded errors.
• Fix various issues related to the network interception in Node.js.

v2.15.0

Compare Source

v2.15.0 (2026-07-08)

Features

• sse: invoke finalize on response stream end (#​2741) (7fae0cc) @​kettanaito

v2.14.7

Compare Source

v2.14.7 (2026-07-07)

Bug Fixes

• sse: proper logging for concurrent requests (#​2762) (5c0ae1c) @​kettanaito

v2.14.6

Compare Source

v2.14.6 (2026-05-11)

Bug Fixes

• defineNetwork: prevent event forwarding manually (#​2740) (ccb40e0) @​kettanaito

v2.14.5

Compare Source

v2.14.5 (2026-05-08)

Bug Fixes

• ws: remove all frame listeners on client closure (#​2739) (91a5d41) @​kettanaito

v2.14.4

Compare Source

v2.14.4 (2026-05-07)

Bug Fixes

• add finalize API for handler cleanup (#​2738) (a288f54) @​kettanaito

v2.14.3

Compare Source

v2.14.3 (2026-05-04)

Bug Fixes

• prevent frame abort listener leak (#​2737) (c4567d2) @​kettanaito

v2.14.2

Compare Source

v2.14.2 (2026-04-29)

Bug Fixes

• export the NetworkApi type (#​2734) (f0c0321) @​kettanaito

v2.14.1

Compare Source

v2.14.1 (2026-04-29)

Bug Fixes

• export default handler controllers (#​2733) (f8dc874) @​kettanaito

v2.14.0

Compare Source

v2.14.0 (2026-04-29)

Features

• support ws.onUpgrade for handling connection upgrades (#​2732) (e00e4d6) @​kettanaito

Bug Fixes

• do not clone user-provided responses (#​2731) (6953307) @​kettanaito
• HttpResponse: forward cookies only when response is used (#​2728) (30668e6) @​kettanaito

v2.13.6

Compare Source

v2.13.6 (2026-04-24)

Bug Fixes

• WebSocketHandler: add public test() method (#​2727) (3da7048) @​kettanaito

v2.13.5

Compare Source

v2.13.5 (2026-04-23)

Bug Fixes

• reset generator state on .resetHandlers()/.restoreHandlers() (#​2725) (8d16801) @​kettanaito

v2.13.4

Compare Source

v2.13.4 (2026-04-16)

Bug Fixes

• implement proper ServiceWorkerSource singleton pattern (#​2715) (580256b) @​kettanaito
• use verbatimModuleSyntax consistently in exports (#​2702) (9dedf52) @​christoph-fricke @​kettanaito
• update dependencies (#​2719) (d0cbd2d) @​kettanaito
• sse: respect request.signal for the underlying stream (#​2718) (429e05c) @​kettanaito

v2.13.3

Compare Source

v2.13.3 (2026-04-14)

Bug Fixes

• update rettime to 0.11.7 (#​2711) (feee3ed) @​kettanaito

v2.13.2

Compare Source

v2.13.2 (2026-04-08)

Bug Fixes

• delay: prevent infinite mode from throwing (#​2697) (613d4a1) @​kettanaito

v2.13.1

Compare Source

v2.13.1 (2026-04-07)

Bug Fixes

• annotate life-cycle events correctly (#​2694) (e7890e9) @​kettanaito

v2.13.0

Compare Source

v2.13.0 (2026-04-06)

Features

• use the network source architecture (defineNetwork) (#​2650) (2b73790) @​kettanaito @​felmonon
• handlers are now grouped internally by kind, making handler lookup a O(1) operation.
• handlers filtering no longer uses an instanceof check. Instead, the kind property of the handler is used.

Bug fixes

• fix an issue where a WebSocket connection would be logged in the console even when there are no matching event handlers for it.

v2.12.14

Compare Source

v2.12.14 (2026-03-21)

Bug Fixes

• support wildcard ports in url matching (#​2677) (f90bf49) @​trknhr @​kettanaito

v2.12.13

Compare Source

v2.12.13 (2026-03-17)

Bug Fixes

• GraphQL: support application/graphql-response+json response content-type (#​2513) (4b8c330) @​phryneas @​kettanaito
• HttpResponse: mark implicit content-type headers with a symbol (#​2675) (98716e7) @​kettanaito

v2.12.12

Compare Source

v2.12.12 (2026-03-17)

Bug Fixes

• minor improvements (#​2672) (cd52873) @​kettanaito
• handle special characters in postinstall script (#​2649) (b79d7ae) @​aloisklink @​kettanaito
• replace barrel exports with granular exports (#​2671) (83bc40e) @​kettanaito

v2.12.11

Compare Source

v2.12.11 (2026-03-15)

Bug Fixes

• node: avoid open handles for infinite delays (#​2669) (3ccc8a3) @​FelmonFekadu @​kettanaito

v2.12.10

Compare Source

v2.12.10 (2026-02-10)

Bug Fixes

• export AnyHandler type (#​2663) (90f9be4) @​kettanaito

v2.12.9

Compare Source

v2.12.9 (2026-02-06)

Bug Fixes

• ws: support relative urls in ws.link (#​2661) (2f1d23c) @​kettanaito

v2.12.8

Compare Source

v2.12.8 (2026-02-03)

Bug Fixes

• update @mswjs/interceptors to fix a memory leak (#​2659) (e5e905f) @​kettanaito
• update rettime (#​2657) (3a7b451) @​kettanaito

v2.12.7

Compare Source

v2.12.7 (2025-12-27)

Bug Fixes

• graphql: export the GraphQLLinkHandlers type (#​2647) (cfab780) @​kettanaito
• graphql: support TypedDocumentString as request predicate (#​2646) (494d5e8) @​kettanaito
• graphql: remove redundant DocumentNode union (#​2645) (0f6e28f) @​kettanaito

v2.12.6

Compare Source

v2.12.6 (2025-12-26)

Bug Fixes

• sse: respect the worker quiet option (#​2644) (d50f73e) @​kettanaito

v2.12.5

Compare Source

v2.12.5 (2025-12-26)

Bug Fixes

• sse: handle multi-line messages (#​2643) (1266f61) @​BSteffaniak @​kettanaito

v2.12.4

Compare Source

v2.12.4 (2025-12-03)

Bug Fixes

• handle incomplete localStorage in Node.js v25 (#​2636) (3da2c76) @​rvagg

v2.12.3

Compare Source

v2.12.3 (2025-11-23)

Bug Fixes

• publish the types used in HttpHandler (#​2560) (1af6cee) @​SerkanSipahi @​kettanaito
• update dependencies (#​2634) (9efe103) @​kettanaito
• toPublicUrl: remove search parameters in Node.js (#​2629) (18d7d3d) @​Enet4 @​kettanaito

v2.12.2

Compare Source

v2.12.2 (2025-11-14)

Bug Fixes

• node: move browser and react-native export conditions lower (#​2627) (102d85a) @​vidschofelix

v2.12.1

Compare Source

v2.12.1 (2025-11-09)

Bug Fixes

• setupWorker: fix response init in response:* events (#​2621) (7f48f21) @​jbms

v2.12.0

Compare Source

v2.12.0 (2025-11-05)

Features

• support server-sent events (SSE) (#​2299) (d5a16d8) @​kettanaito @​Andarist

v2.11.6

Compare Source

v2.11.6 (2025-10-20)

Bug Fixes

• update @mswjs/interceptors to 0.40.0 (#​2613) (50028b7) @​kettanaito

v2.11.5

Compare Source

v2.11.5 (2025-10-09)

Bug Fixes

• export onUnhandledRequest for use in @​msw/playwright (#​2562) (54ce919) @​zachatrocity @​kettanaito

v2.11.4

Compare Source

v2.11.4 (2025-10-08)

Bug Fixes

• add missing parameter documentation for getResponse function (#​2580) (f33fb47) @​djpremier @​kettanaito
• HttpResponse: preserve request body type after cloning the request (#​2600) (f40515b) @​Slessi @​kettanaito
• use statuses as a shim (#​2607) (fee715c) @​kettanaito
• use cookie directly via a shim (#​2606) (29d0b53) @​kettanaito
• setupWorker: prevent WorkerChannel access in fallback mode (#​2594) (1e653c9) @​kettanaito
• setupWorker: remove unused deferNetworkRequestsUntil (#​2595) (44d13d2) @​kettanaito

v2.11.3

Compare Source

v2.11.3 (2025-09-20)

Bug Fixes

• migrate to until-async (#​2590) (7087b1e) @​kettanaito

v2.11.2

Compare Source

v2.11.2 (2025-09-10)

Bug Fixes

• setupWorker: handle in-flight requests after calling worker.stop() (#​2578) (97cf4c7) @​kettanaito

v2.11.1

Compare Source

v2.11.1 (2025-08-31)

Bug Fixes

• use tough-cookie@6 directly (#​2453) (6ce3b95) @​sampsonjoliver @​SamMousa @​kettanaito
• HttpResponse: infer provided body type for HttpResponse.arrayBuffer (#​2575) (ad3d7c1) @​kettanaito

v2.11.0

Compare Source

v2.11.0 (2025-08-30)

Features

• custom request predicate function (#​2541) (a05405b) @​ytoshiki @​kettanaito

v2.10.5

Compare Source

v2.10.5 (2025-08-13)

Bug Fixes

• export the GraphQLResponseBody type (#​2565) (642523d) @​breadadams

v2.10.4

Compare Source

v2.10.4 (2025-07-12)

Bug Fixes

• HttpHandler: use correct query parameters docs link (#​2547) (6cdce81) @​kettanaito

v2.10.3

Compare Source

v2.10.3 (2025-07-04)

Bug Fixes

• ws: support resolutionContext on parse and run (#​2544) (0245685) @​kettanaito
• getResponse: support resolutionContext argument (#​2543) (ce3ab1f) @​kettanaito

v2.10.2

Compare Source

v2.10.2 (2025-06-09)

Bug Fixes

• TypeScript: support Response.error() and HttpResponse.error() as mocked responses (#​2132) (72cc8dd) @​jacquesg @​kettanaito

v2.10.1

Compare Source

v2.10.1 (2025-06-07)

Bug Fixes

• update @mswjs/interceptors to support WebSocket server protocol (#​2528) (6704fa0) @​kettanaito

v2.10.0

Compare Source

v2.10.0 (2025-06-07)

Features

• WebSocketHandler: add run method (#​2527) (94fc78e) @​kettanaito

v2.9.0

Compare Source

v2.9.0 (2025-06-03)

Features

• send request reference within the RESPONSE event (#​2510) (4256351) @​kettanaito

v2.8.7

Compare Source

v2.8.7 (2025-05-31)

Bug Fixes

• update links to the documentation (#​2519) (56f24d5) @​kettanaito

v2.8.6

Compare Source

v2.8.6 (2025-05-29)

Bug Fixes

• browser: set the default entrypoint to commonjs (#​2516) (ee44fab) @​kettanaito

v2.8.5

Compare Source

v2.8.5 (2025-05-27)

Bug Fixes

• HttpResponse: strictly annotate all response methods (#​2509) (2cdc2b1) @​kettanaito
• update @mswjs/interceptors to 0.38.7 (#​2508) (b06fd0e) @​kettanaito

v2.8.4

Compare Source

v2.8.4 (2025-05-19)

Bug Fixes

• support nullable GraphQL queries (#​2403) (594e8ca) @​huuyafwww @​kettanaito

v2.8.3

Compare Source

v2.8.3 (2025-05-17)

Bug Fixes

• HttpResponse: export StrictResponse type again with added deprecation notice (#​2500) (a5bbe97) @​christoph-fricke

v2.8.2

Compare Source

v2.8.2 (2025-05-09)

Bug Fixes

• catch postinstall errors (#​2498) (6d3013c) @​kettanaito

v2.8.1

Compare Source

v2.8.1 (2025-05-09)

Bug Fixes

• do not append .mjs to .d.ts core imports (#​2496) (6ae6b29) @​kettanaito

v2.8.0

Compare Source

v2.8.0 (2025-05-08)

Features

• support typescript 5.6 - 5.8 (#​2493) (3fce594) @​kettanaito
• migrate to ESM internally, remain CJS-first (#​2490) (17d553b) @​kettanaito @​Andarist
• SetupServerApi: allow using custom interceptors (#​2464) (0cc656a) @​tastypackets @​kettanaito
• HttpResponse: support explicitly empty response body via null type argument (#​2118) (50ce6a4) @​kettanaito

v2.7.6

Compare Source

v2.7.6 (2025-05-05)

Bug Fixes

• remove unused dependencies (#​2484) (436cbcb) @​kettanaito

v2.7.5

Compare Source

v2.7.5 (2025-04-18)

Bug Fixes

• ws: ignore /socket.io/ path prefix during url matching (#​2476) (69ae82d) @​kettanaito

v2.7.4

Compare Source

v2.7.4 (2025-04-12)

Bug Fixes

• resolve relative URLs against location.href (#​2471) (fa9b07f) @​kettanaito
• graphql: add extensions property to the GraphQLResponseBody type (#​2468) (827a5dc) @​ytoshiki

v2.7.3

Compare Source

v2.7.3 (2025-02-24)

Bug Fixes

• do not treat static asset requests as unhandled by default (#​2440, docs) (eb45e7a) @​kettanaito

v2.7.2

Compare Source

v2.7.2 (2025-02-24)

Bug Fixes

• HttpResponse: set the default bodyType to any (#​2439) (bb1faf8) @​kettanaito

v2.7.1

Compare Source

v2.7.1 (2025-02-20)

Bug Fixes

• HttpResponse: support non-configurable status codes (#​2434) (0cf639e) @​kettanaito

v2.7.0

Compare Source

v2.7.0 (2024-12-17)

Features

• use picocolors instead of chalk (#​2377) (85bdd82) @​Namchee @​kettanaito

v2.6.9

Compare Source

v2.6.9 (2024-12-16)

Bug Fixes

• support SharedArrayBuffer in HttpResponse.arrayBuffer (#​2389) (41f00e1) @​danilofuchs @​kettanaito

v2.6.8

Compare Source

v2.6.8 (2024-12-07)

Bug Fixes

• setupServer: reapply interception after calling server.listen() after server.close() (#​2383) (00da9ca) @​kettanaito

v2.6.7

Compare Source

v2.6.7 (2024-12-06)

Bug Fixes

• setupWorker: correctly delete internal accept header on passthrough (#​2375) (3f40055) @​smouillour @​kettanaito

v2.6.6

Compare Source

v2.6.6 (2024-11-22)

Bug Fixes

• types: support optional path parameters (#​2368) (3b7b776) @​kettanaito

v2.6.5

Compare Source

v2.6.5 (2024-11-16)

Bug Fixes

• support non-configurable responses (#​2360) (5bf3e3b) @​kettanaito

v2.6.4

Compare Source

v2.6.4 (2024-11-10)

Bug Fixes

• prevent infinite loop when bypassing sendBeacon() requests (#​2353) (2fa98c3) @​kettanaito
• remove the internal bypass request header before performing the request as-is in Node.js (#​2353) (2fa98c3) [@​kettanaito

[!IMPORTANT]
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