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This PR was opened by the Changesets release GitHub action. When you're ready to do a release, you can merge this and the packages will be published to npm automatically. If you're not ready to do a release yet, that's fine, whenever you add more changesets to main, this PR will be updated.
Releases
miniflare@4.20260420.0
Minor Changes
#13326
4a9ba90Thanks @mattzcarey! - Add Artifacts binding support to wranglerYou can now configure Artifacts bindings in your wrangler configuration:
Type generation produces the correct
Artifactstype reference from the workerd type definitions:#12600
50bf819Thanks @penalosa! - Useworkerd's debug port to power cross-process service bindings, Durable Objects, and tail workers via the dev registry. This enables Durable Object RPC via the dev registry, and is an overall stability improvement.Patch Changes
#13515
b35617bThanks @petebacondarwin! - fix: close all open handles on dispose to prevent process hangsSeveral resources were not being properly cleaned up during
Miniflare.dispose(), which could leave the Node.js event loop alive and cause processes (particularly tests usingnode --test) to hang instead of exiting cleanly:Poolused to dispatch fetch requests to the workerd runtime was not closed. Lingering TCP sockets from this pool could keep the event loop alive indefinitely.WebSocketServerinstances for live reload and WebSocket proxying were never closed, leaving connected clients' sockets open.InspectorProxywas not closing its runtime WebSocket connection, relying on process death to break the connection.HyperdriveProxyController.dispose()had a missingreturnin a.map()callback, causingPromise.allSettledto resolve immediately without waiting fornet.Serverinstances to close.ProxyClientBridgewas not clearing its finalization batchsetTimeoutduring disposal.InspectorProxyController.dispose()was not callingserver.closeAllConnections()beforeserver.close(), so active HTTP keep-alive or WebSocket connections could prevent the close callback from firing.#13557
8ca78bbThanks @dependabot! - Update dependencies of "miniflare", "wrangler"The following dependency versions have been updated:
#13579
b6e1351Thanks @dependabot! - Update dependencies of "miniflare", "wrangler"The following dependency versions have been updated:
#13604
d8314c6Thanks @petebacondarwin! - Update dependencies of "miniflare", "wrangler"The following dependency versions have been updated:
#12913
7f50300Thanks @Sigmabrogz! - fix(miniflare): use 127.0.0.1 for internal loopback when localhost is configuredWhen
localhostis configured as the host, Node.js may bind to[::1](IPv6) while workerd resolveslocalhostto127.0.0.1(IPv4) first. This mismatch causes connection refused errors and 100% CPU spins.This fix ensures the internal loopback communication between Node.js and workerd always uses
127.0.0.1whenlocalhostis configured, while preserving the user-facing URL aslocalhost.#13470
4fda685Thanks @penalosa! - fix: prevent remote binding sessions from expiring during long-running dev sessionsPreview tokens for remote bindings expire after one hour. Previously, the first request after expiry would fail before a refresh was triggered. This change proactively refreshes the token at 50 minutes so no request ever sees an expired session.
The reactive recovery path is also improved:
error code: 1031responses (returned by bindings such as Workers AI when their session times out) now correctly trigger a refresh, where previously onlyInvalid Workers Preview configurationHTML responses did.Auth credentials are now resolved lazily when a remote proxy session starts rather than at bundle-complete time. This means that if your OAuth access token has been refreshed since
wrangler devstarted, the new token is used rather than the one captured at startup.#13586
be5e6a0Thanks @petebacondarwin! - Fix resource leaks during config updatesTwo follow-up fixes to the dispose cleanup in [miniflare] Close all open handles on dispose to prevent process hangs #13515:
runtimeDispatcherbehavior. Previously, every config update unconditionally tore down and rebuilt the connection pool, which could cause brief request failures if a registry push was in-flight.InspectorProxyinstances before replacing them duringupdateConnection(). Previously, stale proxies were silently discarded, leaking their runtime WebSocket connections and 10-second keepalive interval timers.#13577
e456952Thanks @connyay! - ReturnEmailSendResultfrom thesend_emailbinding'ssend()in local modeThe binding's
send()used to resolve toundefined. It now returns{ messageId: string }, the same shape as the publicSendEmailtype in production. Workers that read the return value (for logging, or to pass the id downstream) no longer getundefinedunder miniflare.Both branches synthesize an id in the shape production returns —
<{36 alphanumeric chars}@{sender domain}>, angle brackets included — using the envelopefromfor theEmailMessagepath and the builder'sfromfor theMessageBuilderpath. Production synthesizes its own id rather than echoing anything submitted, so miniflare does the same.#13516
4eb1da9Thanks @jonnyparris! - Rename "Browser Rendering" to "Browser Run" in all user-facing strings, error messages, and CLI output.#13557
8ca78bbThanks @dependabot! - RenameFlagstype toFlagshipto match the upstream rename in@cloudflare/workers-typesThe
Flagstype was renamed toFlagshipin@cloudflare/workers-types. This updates the import and the return type ofgetFlagshipBindingaccordingly.#11849
266c418Thanks @43081j! - Removed unused devDependencies from miniflare package.@cloudflare/vite-plugin@1.33.0
Minor Changes
50bf819Thanks @penalosa! - Useworkerd's debug port to power cross-process service bindings, Durable Objects, and tail workers via the dev registry. This enables Durable Object RPC via the dev registry, and is an overall stability improvement.Patch Changes
#13587
fdb32caThanks @vimtor! - Allow internal Wrangler config path overrides via env@cloudflare/vite-pluginnow checksCLOUDFLARE_VITE_WRANGLER_CONFIG_PATHwhenconfigPathis not set explicitly. This lets integrators provide generated Wrangler configs outside the project root without requiring users to threadconfigPaththrough framework config.Updated dependencies [
05f4443,4a9ba90,d8c895a,b35617b,7dc0433,8ca78bb,b6e1351,d8314c6,b35617b,7f50300,4fda685,be5e6a0,e456952,59eec63,50bf819,cc1413a,d0a9d1c,4eb1da9,8ca78bb,266c418,6d887db,5716d69]:wrangler@4.84.0
Minor Changes
#13326
4a9ba90Thanks @mattzcarey! - Add Artifacts binding support to wranglerYou can now configure Artifacts bindings in your wrangler configuration:
Type generation produces the correct
Artifactstype reference from the workerd type definitions:#13567
d8c895aThanks @gpanders! - Rename the documented containers SSH config option tosshWrangler now accepts and documents
containers.sshin config files while continuing to acceptcontainers.wrangler_sshas an undocumented backwards-compatible alias. Wrangler still sends and readswrangler_sshwhen talking to the containers API.#13571
7dc0433Thanks @must108! - Add regional and jurisdictional placement constraints for Containers. Users can now setconstraints.regionsandconstraints.jurisdictionin wrangler config to control where containers run.#12600
50bf819Thanks @penalosa! - Useworkerd's debug port to power cross-process service bindings, Durable Objects, and tail workers via the dev registry. This enables Durable Object RPC via the dev registry, and is an overall stability improvement.Patch Changes
#13160
05f4443Thanks @JoaquinGimenez1! - Log a helpful error message when AI binding requests fail with a 403 authentication errorPreviously, when the AI proxy token expired during a long session, users received an unhelpful 403 error. Now, wrangler detects error code 1031 and suggests running
wrangler loginto refresh the token.#13557
8ca78bbThanks @dependabot! - Update dependencies of "miniflare", "wrangler"The following dependency versions have been updated:
#13579
b6e1351Thanks @dependabot! - Update dependencies of "miniflare", "wrangler"The following dependency versions have been updated:
#13604
d8314c6Thanks @petebacondarwin! - Update dependencies of "miniflare", "wrangler"The following dependency versions have been updated:
#13515
b35617bThanks @petebacondarwin! - fix: ensure esbuild context is disposed during teardownThe esbuild bundler cleanup function could race with the initial build. If
BundlerController.teardown()ran before the initialbuild()completed, thestopWatchingclosure variable would still beundefined, so the esbuild context was never disposed. This left the esbuild child process running, keeping the Node.js event loop alive and causing processes to hang instead of exiting cleanly.The cleanup function now awaits the build promise before calling
stopWatching, ensuring the esbuild context is always properly disposed.#13470
4fda685Thanks @penalosa! - fix: prevent remote binding sessions from expiring during long-running dev sessionsPreview tokens for remote bindings expire after one hour. Previously, the first request after expiry would fail before a refresh was triggered. This change proactively refreshes the token at 50 minutes so no request ever sees an expired session.
The reactive recovery path is also improved:
error code: 1031responses (returned by bindings such as Workers AI when their session times out) now correctly trigger a refresh, where previously onlyInvalid Workers Preview configurationHTML responses did.Auth credentials are now resolved lazily when a remote proxy session starts rather than at bundle-complete time. This means that if your OAuth access token has been refreshed since
wrangler devstarted, the new token is used rather than the one captured at startup.#12456
59eec63Thanks @venkatnikhilm! - Improve validation and error messaging for R2 CORS configuration files to catch AWS S3-style formatting mistake.#13444
cc1413aThanks @naile! - fix: Passforcequery parameter to API inpages deployment delete#11918
d0a9d1cThanks @ksawaneh! - Allowwrangler r2 bucket listto run without a valid Wrangler configThis is an account-level command and does not require parsing
wrangler.toml/wrangler.jsonc. Previously, an invalid local config could prevent listing buckets, making it harder to fix the config.#13516
4eb1da9Thanks @jonnyparris! - Rename "Browser Rendering" to "Browser Run" in all user-facing strings, error messages, and CLI output.#13575
6d887dbThanks @lambrospetrou! - Add D1 export prompt message for unavailability, use--skip-confirmationto not show the prompt.#13473
5716d69Thanks @MattieTK! - Update am-i-vibing to v0.1.1 for improved agentic environment detectionUpdated dependencies [
4a9ba90,b35617b,8ca78bb,b6e1351,d8314c6,7f50300,4fda685,be5e6a0,e456952,50bf819,4eb1da9,8ca78bb,266c418]:create-cloudflare@2.67.1
Patch Changes
#12714
852fb79Thanks @dependabot! - Update dependencies of "create-cloudflare"The following dependency versions have been updated:
#12804
d090818Thanks @dependabot! - Update dependencies of "create-cloudflare"The following dependency versions have been updated:
#13360
359706dThanks @dependabot! - Update dependencies of "create-cloudflare"The following dependency versions have been updated:
#13593
4ca7cc6Thanks @dependabot! - Update dependencies of "create-cloudflare"The following dependency versions have been updated:
#13594
f406f0bThanks @dependabot! - Update dependencies of "create-cloudflare"The following dependency versions have been updated:
#13595
aa1d317Thanks @dependabot! - Update dependencies of "create-cloudflare"The following dependency versions have been updated:
#12705
7329b3fThanks @roli-lpci! - Replaceglobwithtinyglobbyin build tooling. Remove unusedglobdependency from pages-shared.@cloudflare/pages-shared@0.13.126
Patch Changes
#12705
7329b3fThanks @roli-lpci! - Replaceglobwithtinyglobbyin build tooling. Remove unusedglobdependency from pages-shared.Updated dependencies [
4a9ba90,b35617b,8ca78bb,b6e1351,d8314c6,7f50300,4fda685,be5e6a0,e456952,50bf819,4eb1da9,8ca78bb,266c418]:@cloudflare/vitest-pool-workers@0.14.8
Patch Changes
#13548
1aee990Thanks @emily-shen! - Update warning message when attempting to access exports not defined on the main workerPreviously this referred to the
SELFworker, which is now a deprecated API in the Vitest integration.#13607
d5d0446Thanks @petebacondarwin! - fix: Restore workflow binding before async cleanup inWorkflowIntrospectorHandle.dispose()Previously,
dispose()awaited all instance abort operations before restoring the originalenvbinding. On slower CI environments (especially Windows), this left a window where the next test could see a stale proxy, causing "Trying to mock step multiple times" errors or failed introspection. The binding is now restored synchronously before the async instance cleanup begins.#13007
2c3258dThanks @sheplu! - Reduce default log verbosity fromVERBOSEtoINFOThe pool logger was previously hardcoded to
VERBOSE, causing noisy debug messages on every test run (e.g.[vpw:debug] Adding compatibility flag...). Only informational, warning, and error messages are now printed by default.For debugging, set
NODE_DEBUG=vitest-pool-workersto restore the detailed output.Updated dependencies [
05f4443,4a9ba90,d8c895a,b35617b,7dc0433,8ca78bb,b6e1351,d8314c6,b35617b,7f50300,4fda685,be5e6a0,e456952,59eec63,50bf819,cc1413a,d0a9d1c,4eb1da9,8ca78bb,266c418,6d887db,5716d69]:@cloudflare/containers-shared@0.14.0
Minor Changes
7dc0433Thanks @must108! - Add regional and jurisdictional placement constraints for Containers. Users can now setconstraints.regionsandconstraints.jurisdictionin wrangler config to control where containers run.@cloudflare/workers-utils@0.17.0
Minor Changes
#13326
4a9ba90Thanks @mattzcarey! - Add Artifacts binding support to wranglerYou can now configure Artifacts bindings in your wrangler configuration:
Type generation produces the correct
Artifactstype reference from the workerd type definitions:#13571
7dc0433Thanks @must108! - Add regional and jurisdictional placement constraints for Containers. Users can now setconstraints.regionsandconstraints.jurisdictionin wrangler config to control where containers run.Patch Changes
4eb1da9Thanks @jonnyparris! - Rename "Browser Rendering" to "Browser Run" in all user-facing strings, error messages, and CLI output.@cloudflare/local-explorer-ui@0.13.1
Patch Changes
#13466
c4461ffThanks @NuroDev! - Fix local explorer KV bulk / get for large payloads.Fixes an issue where the local explorer UI would crash when fetching large KV payloads.
Additionally, the local KV bulk get API endpoint now enforces a total 25MB payload limit, in alignment with the remote Cloudflare API.
#13543
39a5f04Thanks @SAY-5! - Fixoccured->occurredtypo in theResourceErrorfallback message rendered by the local explorer UI when a worker resource fails to load.