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App Router Discussions

Discuss new features of the Next.js App Router and suggest improvements for the future.

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Unable to find source file for page middleware with extensions

siamahnaf asked Oct 25, 2025 in App Router · Unanswered

@siamahnaf @icyJoseph @mic34

@siamahnaf @icyJoseph @mic34

2
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Route handlers are running during build (cacheComponents)

arjunkomath asked Oct 24, 2025 in App Router · Answered

@arjunkomath @apostolos @dieguezz

@arjunkomath @apostolos @dieguezz

12
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updateTag vs revalidateTag

mblandr asked Oct 12, 2025 in App Router · Answered

@mblandr @icyJoseph @DanielSalazarLoaiza

@mblandr @icyJoseph @DanielSalazarLoaiza

30
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Should Next.js App Router provide a built-in middleware layer for route-level caching and revalidation?

SHAWON0c asked Oct 25, 2025 in App Router · Unanswered

@SHAWON0c

@SHAWON0c

0
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hook.js:608 React instrumentation encountered an error: Error: We are cleaning up async info that was not on the parent Suspense boundary. This is a bug in React.

shehi asked Oct 16, 2025 in App Router · Answered

@shehi @k8adev @mohebifar

@shehi @k8adev @mohebifar

11
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Cache Components with params and Multi Tenant Applications

rshaul asked Oct 22, 2025 in App Router · Unanswered

@rshaul @apostolos @DominikKoniarz

@rshaul @apostolos @DominikKoniarz

3
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Empty div with hidden attribute tag

nongtiny asked Jul 2, 2025 in App Router · Unanswered

@nongtiny @icyJoseph @LeoAnt02

@nongtiny @icyJoseph @LeoAnt02

9
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A dynamic link library (DLL) initialization routine failed error

farman1094 asked Nov 26, 2023 in App Router · Unanswered

@farman1094 @danieljcksn @sagnihotri773

@farman1094 @danieljcksn @sagnihotri773

6
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Is a polyrepo, multi-zone microfrontend possible?

abhion asked Oct 24, 2025 in App Router · Unanswered

@abhion

@abhion

0
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NextJS 15.4.1 && 15.4.2 - Error: Element type is invalid: expected a string (for built-in components) or a class/function (for composite components) but got: undefined.

albertocubeddu asked Jul 21, 2025 in App Router · Unanswered

@albertocubeddu @maltesa @jakubjanousek

@albertocubeddu @maltesa @jakubjanousek

15
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How to fix or disable this error in production mode "An error occurred in the Server Components render..."

dhayford92 asked Oct 10, 2024 in App Router · Answered

@dhayford92 @tansut @reginpv

@dhayford92 @tansut @reginpv

16
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appending trailing slash to canonical urls

mrxsal asked Aug 12, 2023 in App Router · Unanswered

@mrxsal @HellYeahOmg

@mrxsal @HellYeahOmg

1
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null is not an object (evaluating 'b.parentNode') in production

Fonger asked Sep 12, 2024 in App Router · Unanswered

@Fonger @leog @vitalyiegorov

@Fonger @leog @vitalyiegorov

12
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Search params are undefined when draft mode is enabled
Output Related to the the output configuration option. Runtime Related to Node.js or Edge Runtime with Next.js.
MangoMarcus asked Jul 8, 2024 in App Router · Unanswered

@MangoMarcus @jalada @samcx

@MangoMarcus @jalada @samcx

11
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Custom 500 page

mertafor asked Sep 17, 2023 in App Router · Unanswered

@mertafor @gurkanyerlikayaoglu @delasign

@mertafor @gurkanyerlikayaoglu @delasign

4
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Is Next.js becoming unusable outside of Vercel?

developer-choi asked Oct 22, 2025 in App Router · Unanswered

@developer-choi @icyJoseph

@developer-choi @icyJoseph

1
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Dynamically use App Router pages or Route Handlers depending on the CMS

ahtcx asked Oct 21, 2025 in App Router · Unanswered

@ahtcx @icyJoseph @ahuaiqom

@ahtcx @icyJoseph @ahuaiqom

8
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Server Action Body Size Limit does not apply in production environment

renato-viasoft asked Mar 25, 2025 in App Router · Unanswered

@renato-viasoft @rwieruch @euntak

@renato-viasoft @rwieruch @euntak

11
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Self-hosting Next.js 15 (App Router + Turborepo) without full monorepo dependencies

girishcx07 asked Oct 20, 2025 in App Router · Unanswered

@girishcx07 @ahuaiqom

@girishcx07 @ahuaiqom

1
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dynamicParams = false for Cache Components & non-inheriting behavior

amannn asked Oct 17, 2025 in App Router · Unanswered

@amannn @apostolos @thebuilder

@amannn @apostolos @thebuilder

8
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Deprecation of non-swr cache invalidation in Route Handlers (revalidateTag vs. updateTag)

michaelschufi asked Oct 20, 2025 in App Router · Answered

@michaelschufi @icyJoseph

@michaelschufi @icyJoseph

3
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Next.js innovation vs stability: Server Actions still lack parallelism and abort capabilities

girishcx07 asked Oct 15, 2025 in App Router · Unanswered

@girishcx07 @icyJoseph @DanielSalazarLoaiza

@girishcx07 @icyJoseph @DanielSalazarLoaiza

6
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How can I access the HTTP request from a server component?

leodip asked Jun 29, 2023 in App Router · Answered

@leodip @hesalx @nicksan222

@leodip @hesalx @nicksan222

8
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How to use generated "Route<T>" type (from "typedRoutes") with dynamic routes

borispetrovdev asked Aug 17, 2024 in App Router · Unanswered

@borispetrovdev @toppsdown @controversial

@borispetrovdev @toppsdown @controversial

3
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Inconsistent behavior of generateStaticParams

mastoj asked Oct 15, 2025 in App Router · Unanswered

@mastoj @DanielSalazarLoaiza

@mastoj @DanielSalazarLoaiza

4

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