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Graph/deprecated-config-property-migration

Pattern

Deprecated Config Property Migration

deprecated-config-property-migration

A recurring upgrade migration where a platform SDK removes support for a previously valid config property, creating tension between legacy Next.js settings and the new integration entrypoint like withSentryConfig and sentrySDKOptions.

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Updated4/30/2026

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30 linked nodes

I'm building a Next.js 14 app that uses Zustand with the persist middleware to store authentication tokens and user info. Tension: authenticated pages redirect me to /error/unauthorized. Outcome: React has detected a change in the order of Hooks...

React context data loaded from localStorage in a Next.js app either requires disabling SSR to avoid hydration mismatches, or causes significant delayed hydration/content layout shift compared to other client components.

TypeError: Cannot redefine property:'someTest' — jest spyOn not working on index file, cannot redefine property. Tension: these solutions don't work. Outcome: compare the previous version and find out the lib version(@jest/console, @jest/core, @jest/environment, etc.) in `node_modules` has been changed.

WARN Load npm builtin configs failed — anytime I run something like `pnpm i`. Outcome: upgrade to `pnpm 7.13.6`.

Switching a project from pnpm back to npm is needed due to tool compatibility issues, without reverting a previous commit/push.

Deployment fails with the Next.js error that useSearchParams() must be wrapped in a Suspense boundary for the /rooms/cinema/movie page. Locally it works, but in production (CSR bailout) Next.js requires the Suspense wrapper.

Next.js middleware throws "Cannot read properties of undefined (reading 'custom')" when connecting to MongoDB

Failed to resolve plugin for module "@sentry/react-native/expo" relative to

Sentry Logger [warn]: Discarded session because of missing or non-string release — Sentry.init({. Tension: but still keep getting.

Sentry is still sending error/crash events from React Native when the app is running in development mode, including native-side crashes. Disabling Sentry via `enabled: !__DEV__` or conditional `Sentry.init` was not sufficient for native errors.

`new SentryReact.BrowserTracing` is deprecated — in my IDE. Tension: `SentrySibling` has no import (and couldn't find it anywhere in documentation). Outcome: `Replay` is deprecated.

Setting a `sentry` property on the Next.js config is no longer supported. — [@sentry/nextjs]. Tension: Please use the `sentrySDKOptions` argument of `withSentryConfig` instead. Outcome: The Sentry SDK v8 no longer uses the `sentry` property on `nextConfig`.

error: Two different url values supplied: `<my_domain>` (from token), `https://sentry.io` — Getting this error when starting project after adding sentryWebpackPlugin. Tension: I already have Sentry in the project and just want to get source map.

Could not read source map for file:///Users/charles/yogabandy/client/node_modules/%40sentry/core/esm/integration.js: ENOENT: no such file or directory — latest version doesn't contain any of the files throwing errors. Tension: I have to go back to version 6.16.1 to get the files. Outcome: Can I suppress these errors or will that come back to bite me in the ass later on?

Uncaught ReferenceError: Sentry is not defined — I am loading Sentry from CDN with the `defer` attributed.

Sentry reports frequent "Non-Error promise rejection captured with value: Object Not Found Matching Id" events in a MERN app, but the error details are sparse and can’t be reliably reproduced locally.

User information was not being attached to all Sentry events globally in a Next.js app. Attempts to set `Sentry.setUser` in the Next.js error component (`_error.js`/`getInitialProps`) did not result in user data being included.

Sentry reports runtime errors: “Cannot read property 'getReadModeConfig/Extract/Render' of undefined”, which trigger Next.js error handling and break the site during static page rendering.

SyntaxError: Forward reference must be an expression -- got. Tension: The value for enum `ProjectType.MIGRATION_CONFIG` has a space character in it. Outcome: If I change the space character to underscore character, then fastapi server has no problem to startup.

"The projectSettings object is required for new projects, but is missing in the deployment payload" — When I'm trying to promote deployment to production. Tension: No any documentation about such error is marked anywhere. Outcome: Any workarounds?

I was close but did not know how to finish this config block. — My old code in the `next.config.js` file looked like this:. Tension: I am passing `@stripe/firestore-stripe-payments` through to be transpi.

Error: Objects are not valid as a React child (found: object with keys {message, name, code, config, request, response}). — in Nextjs 13+ version.

Uploading a 12MB CSV to a Next.js API route fails with a 413 Payload Too Large error, meaning the request exceeds the server’s allowed body size. Attempts to increase the limit via `export const config` cause a build error due to deprecated config usage.

Combining NextAuth(v5) authentication middleware with next-intl routing middleware in a Next.js app route/middleware setup fails because the previous NextAuth(v4) approach using `withAuth` is deprecated/removed.

Need to use different next.config.js configurations for different environments (static/prod/dev), but next build has no --config option to select an alternate config file.

Property 'req' is incompatible with index signature. — using the 13.5.6 version of Next.js and the 18.12.0 version of Node. Tension: it is not used anywhere in the code. Outcome: the error disappears if I remove the `withPageAuthRequired` wrapper.

the console is filled with: — I have an existing next.js codebase with multiple bugs that need fixing. Tension: Support for defaultProps will be removed from function components in a future major release. Outcome: How can I fix or suppress the warnings so I can read the console?

Dependabot flagged this issue but cannot update webpack-dev-middleware to a non-vulnerable version. Tension: updating to a secure version seems non-trivial.

Running an old React app on Node.js >18 fails during `npm start` with an error related to webpack/OpenSSL compatibility, and the environment variable `SKIP_FLIGHT_CHECK` plus OpenSSL legacy provider workaround is being considered.

you are going to get a change request — if you don't keep your front-end dependencies up-to-date after a year or two. Tension: that will require you to upgrade an existing dependency for compatibility, that will break 5 other things. Outcome: you won't be able to modify them without declaring package.json bankruptcy and starting over.

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