Improve error messages and stack traces #10632
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🦋 Changeset detectedLatest commit: 5da9dd0 The changes in this PR will be included in the next version bump. This PR includes changesets to release 1 package
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create-cloudflare
@cloudflare/kv-asset-handler
miniflare
@cloudflare/pages-shared
@cloudflare/unenv-preset
@cloudflare/vite-plugin
@cloudflare/vitest-pool-workers
@cloudflare/workers-editor-shared
wrangler
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edmundhung
approved these changes
Sep 15, 2025
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Fixes #10499.
This captures errors thrown in the
fetchhandler of the default export of the entry Worker and sends them as a JSON response that is revived by Miniflare. This is the same method used by Wrangler and circumvents aworkerdlimitation that stack traces are not preserved across service bindings.