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feat(cloudflare): Answer managed tunnel requests in withSentry - #25999

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awad/runtime-tunnel-node-bun-denofrom
awad/runtime-tunnel-cloudflare
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logaretm wants to merge 1 commit into
awad/runtime-tunnel-node-bun-denofrom
awad/runtime-tunnel-cloudflare

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@logaretm

@logaretm logaretm commented Nov 2, 2026 •

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Adds the tunnel handling logic to our CF workers wrapper, and re-wires astro and other CF capable frameworks.

@logaretm
logaretm added this pull request to stack #26002 November 2, 2026 19:44
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github-actions Bot commented Nov 2, 2026 •

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size-limit report 📦

Compared: e4f8349 (PR test merge using develop at d5cdfe8)

Against: dd9903c (develop) · base run #64617

⚠️ Baseline mismatch: 16 develop commit(s) in the PR build are missing from the baseline. Their size changes also affect this comparison. Compare commits. Re-run once develop's baseline build for d5cdfe8 finishes.

Path Size % Change Change
@sentry/browser 30.39 kB - -
@sentry/browser - with treeshaking flags 28.54 kB - -
@sentry/browser - with treeshaking flags tracing without tracing 28.42 kB - -
@sentry/browser (incl. Tracing) 52.71 kB - -
@sentry/browser (incl. Tracing + Span Streaming) 52.72 kB - -
@sentry/browser (incl. Tracing, Profiling) 55.69 kB - -
@sentry/browser (incl. Tracing, Replay) 93.01 kB - -
@sentry/browser (incl. Tracing, Replay) - with treeshaking flags 81.61 kB - -
@sentry/browser (incl. Tracing, Replay with Canvas) 97.76 kB - -
@sentry/browser (incl. Tracing, Replay, Feedback) 110.75 kB - -
@sentry/browser (incl. Feedback) 47.98 kB - -
@sentry/browser (incl. sendFeedback) 35.5 kB - -
@sentry/browser (incl. FeedbackAsync) 40.6 kB - -
@sentry/browser (incl. Metrics) 31.43 kB - -
@sentry/browser (incl. Logs) 31.72 kB - -
@sentry/browser (incl. Metrics & Logs) 32.44 kB - -
@sentry/react 32.28 kB - -
@sentry/react (incl. Tracing) 55.08 kB - -
@sentry/vue 38.66 kB - -
@sentry/vue (incl. Tracing) 55.73 kB - -
@sentry/svelte 30.42 kB - -
@sentry/remix (Remix 3 client bundle) 57.79 kB - -
CDN Bundle 32.18 kB - -
CDN Bundle (incl. Tracing) 53.23 kB - -
CDN Bundle (incl. Logs, Metrics) 34.46 kB - -
CDN Bundle (incl. Tracing, Logs, Metrics) 55.17 kB - -
CDN Bundle (incl. Replay, Logs, Metrics) 75.87 kB - -
CDN Bundle (incl. Tracing, Replay) 91.45 kB - -
CDN Bundle (incl. Tracing, Replay, Logs, Metrics) 93.38 kB - -
CDN Bundle (incl. Tracing, Replay, Feedback) 97.55 kB - -
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics) 99.55 kB - -
CDN Bundle - uncompressed 94.64 kB - -
CDN Bundle (incl. Tracing) - uncompressed 157.6 kB - -
CDN Bundle (incl. Logs, Metrics) - uncompressed 101.11 kB - -
CDN Bundle (incl. Tracing, Logs, Metrics) - uncompressed 163.34 kB - -
CDN Bundle (incl. Replay, Logs, Metrics) - uncompressed 232.68 kB - -
CDN Bundle (incl. Tracing, Replay) - uncompressed 279.29 kB - -
CDN Bundle (incl. Tracing, Replay, Logs, Metrics) - uncompressed 285.01 kB - -
CDN Bundle (incl. Tracing, Replay, Feedback) - uncompressed 293 kB - -
CDN Bundle (incl. Tracing, Replay, Feedback, Logs, Metrics) - uncompressed 298.71 kB - -
@sentry/nextjs (client) 58.03 kB - -
@sentry/sveltekit (client) 53.23 kB - -
@sentry/core/server 44.47 kB +0.52% +230 B 🔺
@sentry/core/browser 13.93 kB - -
@sentry/node 155.98 kB +0.19% +285 B 🔺
@sentry/node/import (ESM hook with diagnostics-channel injection) 82.22 kB +0.01% +2 B 🔺
@sentry/node - without tracing 97.1 kB +0.3% +283 B 🔺
@sentry/node - without channel injection 136.31 kB +0.21% +278 B 🔺
@sentry/aws-serverless 105.29 kB +0.26% +273 B 🔺
@sentry/cloudflare (withSentry) - minified 202.02 kB +0.69% +1.38 kB 🔺
@sentry/cloudflare (withSentry) 501.94 kB +0.59% +2.94 kB 🔺
@sentry/nextjs/cloudflare (withSentry) - minified 222.55 kB +0.63% +1.38 kB 🔺

View base workflow run

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Optional E2E tests

Some optional checks were not successful. They do not block the merge. 4 not successful, 25 successful. See the run.

Check Status
❌ CI: Optional E2E Tests / E2E cloudflare-pi-durable (latest) Test (optional) Failing after 15s Details
❌ CI: Optional E2E Tests / E2E nuxt-5 (tunnel-dev) Test (optional) Failing after 2m Details
❌ CI: Optional E2E Tests / E2E gen-ai-libraries (latest) Test (optional) Failing after 28s Details
❌ CI: Optional E2E Tests / E2E nuxt-5 Test (optional) Failing after 2m Details
Successful checks
Check Status
✅ CI: Optional E2E Tests / E2E cloudflare-think (ai v6) Test (optional) Successful in 38s Details
✅ CI: Optional E2E Tests / E2E nextjs-16 (vinext) Test (optional) Successful in 1m Details
✅ CI: Optional E2E Tests / E2E nextjs-16 (deno) Test (optional) Successful in 2m Details
✅ CI: Optional E2E Tests / E2E gen-ai-libraries (cloudflare) Test (optional) Successful in 51s Details
✅ CI: Optional E2E Tests / E2E astro-7-static Test (optional) Successful in 1m Details
✅ CI: Optional E2E Tests / E2E tanstackstart-react-cloudflare Test (optional) Successful in 18s Details
✅ CI: Optional E2E Tests / E2E astro-7 Test (optional) Successful in 58s Details
✅ CI: Optional E2E Tests / E2E nextjs-15 (latest) Test (optional) Successful in 2m Details
✅ CI: Optional E2E Tests / E2E nextjs-16 (vinext, bun) Test (optional) Successful in 1m Details
✅ CI: Optional E2E Tests / E2E nextjs-16 (cloudflare, latest) Test (optional) Successful in 1m Details
✅ CI: Optional E2E Tests / E2E cloudflare-think Test (optional) Successful in 29s Details
✅ CI: Optional E2E Tests / E2E cloudflare-pi-durable Test (optional) Successful in 21s Details
✅ CI: Optional E2E Tests / E2E cloudflare-flue-send-to-sentry Test (optional) Successful in 1m Details
✅ CI: Optional E2E Tests / E2E nextjs-14 (latest) Test (optional) Successful in 1m Details
✅ CI: Optional E2E Tests / E2E cloudflare-workers-send-to-sentry Test (optional) Successful in 2m Details
✅ CI: Optional E2E Tests / E2E supabase-nextjs Test (optional) Successful in 1m Details
✅ CI: Optional E2E Tests / E2E cloudflare-mastra Test (optional) Successful in 24s Details
✅ CI: Optional E2E Tests / E2E nuxt-5-sourcemaps (static / nuxt generate) Test (optional) Successful in 21s Details
✅ CI: Optional E2E Tests / E2E nextjs-15 (turbo) Test (optional) Successful in 2m Details
✅ CI: Optional E2E Tests / E2E nuxt-5-sourcemaps Test (optional) Successful in 21s Details
✅ CI: Optional E2E Tests / E2E nuxt-5-sourcemaps (client source maps kept) Test (optional) Successful in 20s Details
✅ CI: Optional E2E Tests / E2E nextjs-16-tunnel (cloudflare) Test (optional) Successful in 36s Details
✅ CI: Optional E2E Tests / E2E nextjs-orpc Test (optional) Successful in 55s Details
✅ CI: Optional E2E Tests / E2E cloudflare-agent Test (optional) Successful in 20s Details
✅ CI: Optional E2E Tests / E2E gen-ai-libraries Test (optional) Successful in 28s Details

@logaretm
logaretm force-pushed the awad/runtime-tunnel-cloudflare branch from 29b761b to 0fa5a24 Compare November 2, 2026 21:29
@logaretm
logaretm force-pushed the awad/runtime-tunnel-cloudflare branch 2 times, most recently from 79c5b03 to ee6cc70 Compare November 3, 2026 04:10
@logaretm
logaretm force-pushed the awad/runtime-tunnel-cloudflare branch from ee6cc70 to dcc387e Compare November 3, 2026 04:21
@logaretm
logaretm force-pushed the awad/runtime-tunnel-cloudflare branch from dcc387e to 735789f Compare November 3, 2026 04:28
@logaretm
logaretm force-pushed the awad/runtime-tunnel-cloudflare branch 3 times, most recently from dc67ef5 to 02913e0 Compare November 3, 2026 04:50
@logaretm
logaretm marked this pull request as ready for review November 3, 2026 04:56
@logaretm
logaretm requested review from a team as code owners November 3, 2026 04:56
@logaretm
logaretm requested review from isaacs, mydea, nicohrubec and s1gr1d and removed request for a team November 3, 2026 04:56

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Cursor Bugbot has reviewed your changes and found 2 potential issues.

Fix All in Cursor

❌ Bugbot Autofix is OFF. To automatically fix reported issues with cloud agents, enable autofix in the Cursor dashboard.

Reviewed by Cursor Bugbot for commit 02913e0. Configure here.

};
nitroApp.hooks.hook('error', sentryCaptureErrorHook);

return;

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Nitro v3 path skips tracing tags

Medium Severity

The Nitro v3 branch wraps fetch and hooks error, then returns before registering render:html. Cloudflare setups rely on this plugin for that hook, so Nuxt 5 apps will not get Sentry tracing meta tags and distributed tracing from server to client will break.

Fix in Cursor Fix in Web

Reviewed by Cursor Bugbot for commit 02913e0. Configure here.

const traceDataMap = new WeakMap<object, ReturnType<typeof getTraceData>>();

// Nitro v3 (Nuxt 5) has no `localFetch`. It hands the Worker's own request to `fetch`, with `ctx` on it.
const nitroV3App = nitroApp as unknown as { localFetch?: unknown; fetch?: (request: Request) => Promise<Response> };

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Unguarded double-cast in Nitro v3

Low Severity

A new as unknown as double-cast widens nitroApp to a structural fetch shape. The nearby comment explains the Nitro v3 runtime, not why a safer type is impossible. SDK source requires that justification on each double-cast.

Fix in Cursor Fix in Web

Triggered by project rule: PR Review Guidelines for Cursor Bot

Reviewed by Cursor Bugbot for commit 02913e0. Configure here.

The Cloudflare request wrapper answers tunnel requests before the Worker's handler. Nuxt's Cloudflare plugin
passes the request with its body, and Astro wraps Pages builds with `withSentry` like Workers builds.
@logaretm
logaretm force-pushed the awad/runtime-tunnel-cloudflare branch from 02913e0 to d0f5ad8 Compare November 3, 2026 05:37

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