[JPeer264]

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This documents withSentry from @sentry/nextjs/cloudflare (getsentry/sentry-javascript#24998, SDK 11.6.0) on the Next.js on Cloudflare page. The page now shows the custom Worker that wraps the OpenNext entry, what sentry.server.config.ts and sentry.edge.config.ts still do in the Worker, and the order the SDK uses to pick the release.

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PRE-MERGE CHECKLIST

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• Checked Vercel preview for correctness, including links
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LEGAL BOILERPLATE

Look, I get it. The entity doing business as "Sentry" was incorporated in the State of Delaware in 2015 as Functional Software, Inc. and is gonna need some rights from me in order to utilize my contributions in this here PR. So here's the deal: I retain all rights, title and interest in and to my contributions, and by keeping this boilerplate intact I confirm that Sentry can use, modify, copy, and redistribute my contributions, under Sentry's choice of terms.

EXTRA RESOURCES

• Sentry Docs contributor guide

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Project	Deployment	Actions	Updated
sentry-docs	Ready	Preview	Oct 9, 2026 9:40am UTC

1 Skipped Deployment

Project	Deployment	Actions	Updated
develop-docs	Ignored	Preview	Oct 9, 2026 9:40am UTC

[cursor]

The plan checks that the Next.js on Cloudflare page still loads. It checks that client errors on that page stay rare. An issue escalates when that page stops loading or new client errors appear.

Monitoring in production

Services: sentry-docs.

Mention @change-monitor in a comment to update the plan.

Plan

What changed

Requests to /platforms/javascript/guides/cloudflare/frameworks/nextjs/ now show how to wrap the OpenNext Worker with withSentry. The page now states what sentry.server.config.ts and sentry.edge.config.ts still do in the Worker. It also states the order the SDK uses to pick the release.

This change is live after sentry-docs deploys. The file lives under product docs. develop-docs does not ship it.

Risk

A broken MDX file fails the static build and blocks the production deploy. After a successful deploy, the new code tabs can throw in the browser on this page. Users who copy a wrong Worker sample can misconfigure Sentry on their Workers. That customer failure is not visible in this site's telemetry. Reach is this page and its markdown export. Sibling Cloudflare pages share the catch-all renderer. They do not share this file.

Intended effect

The new Worker wrap copy is not a Sentry field. Confirm the page still hydrates instead. absent looks like docs.page.load for this path at zero while the parent Cloudflare guide still loads.

Signal	Baseline	Window	Rule	Source
docs.page.load where path is /platforms/javascript/guides/cloudflare/frameworks/nextjs/	2 loads	2026-10-12T15:24:19Z to 2026-10-13T15:24:19Z	Hold 2-4 in a matching 24h window. Volume is sparse. Zero in 24h is not absent alone.	Sentry metrics, org sentry, project docs
docs.page.load where path is /platforms/javascript/guides/cloudflare/frameworks/nextjs/	23 loads	2026-10-06T15:24:19Z to 2026-10-13T15:24:19Z	Hold 14-23 in a matching 7d window. The 14 end is the 24h count scaled to 7d.	Sentry metrics, org sentry, project docs
Pageload and navigation spans for this path	30 spans, p95 4142ms	2026-10-06T15:24:19Z to 2026-10-13T15:24:19Z	Hold 20-43 spans. The 14d window had 43 spans. absent if both this span count and docs.page.load stay at zero.	Sentry spans, org sentry, project docs. Query: environment:production AND (span.op:pageload OR span.op:navigation) AND (http.url:*platforms/javascript/guides/cloudflare/frameworks/nextjs* OR transaction:*platforms/javascript/guides/cloudflare/frameworks/nextjs*)

Client traces sample at 30% for users. docs.page.load is an unsampled client counter. Prefer that counter for intended_effect.

Regression watch

This diff can break CodeTabs or hydration on this page. It can drop sibling Cloudflare page loads if static render regresses. Site-wide fetch failures from Algolia and kapa are known noise. Do not treat those as this change.

Signal	Baseline	Window	Rule	Source
Error events whose url contains cloudflare/frameworks/nextjs	0 events	2026-10-12T15:24:19Z to 2026-10-13T15:24:19Z	Hold 0. detected if count rises above 1 in a matching 24h window.	Sentry errors, org sentry, project docs. Query: url:*cloudflare/frameworks/nextjs*
Error events whose url contains cloudflare/frameworks/nextjs	1 event in 23 loads, 0-4.3% of loads	2026-10-06T15:24:19Z to 2026-10-13T15:24:19Z	Hold 0-4.3% of docs.page.load on this path. The one event was a promise rejection titled Event: Event \Event` (type=error) captured as promise rejection. detected` if count rises above 1 in 24h or the 7d rate rises above 4.3%.	Sentry errors, org sentry, project docs
Pageload and navigation p95 on this path	4082-4142ms	2026-09-29T15:24:19Z to 2026-10-13T15:24:19Z and 2026-10-06T15:24:19Z to 2026-10-13T15:24:19Z	Hold 4082-4142ms when the span count is comparable. A 24h window can return zero spans.	Sentry spans, same query as Intended effect
docs.page.load where path is /platforms/javascript/guides/cloudflare/	136 loads	2026-10-06T15:24:19Z to 2026-10-13T15:24:19Z	Hold. detected if this 7d count falls below 68. This is the sibling parent guide.	Sentry metrics, org sentry, project docs
docs.page.load where path is /platforms/javascript/guides/cloudflare/frameworks/hydrogen-react-router/	25 loads	2026-10-06T15:24:19Z to 2026-10-13T15:24:19Z	Hold. detected if this 7d count falls below 12 while other docs pages still load. Sibling framework page.	Sentry metrics, org sentry, project docs

If error events rise on this path, inspect the stack for CodeTabs or hydration. Ignore insights.algolia.io and proxy.kapa.ai fetch failures unless they are new on this path only.

Not observable

Whether the new withSentry copy is in the HTML. Whether the Worker wrap steps are correct. 404s for this slug. docs.page.not_found only stores two path segments, so it cannot isolate this page. Pageload spans in a 24h window. That query returned zero spans before deploy because volume is sparse.

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[coolguyzone]

Looks good, thanks for updating!

[cursor]

Verified in production

• The Next.js Cloudflare guide loaded after this ship, and client errors on that page stayed at zero.