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Turbopack: use bugs.nextjs.org for Turbopack panic error reports#88356

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Turbopack: use bugs.nextjs.org for Turbopack panic error reports#88356
wbinnssmith merged 1 commit intocanaryfrom
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@wbinnssmith wbinnssmith commented Jan 10, 2026

Update the bug report link to use the new bugs.nextjs.org service instead of the direct GitHub discussions URL. Also shares more code when handling terminals that don't support links.

Test Plan: Added a deliberate panic to a turbotask, verified the link.

@nextjs-bot nextjs-bot added created-by: Turbopack team PRs by the Turbopack team. Turbopack Related to Turbopack with Next.js. labels Jan 10, 2026
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Allow CI Workflow Run

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nextjs-bot commented Jan 10, 2026 •
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Stats from current PR

✅ No significant changes detected

📊 All Metrics
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Dev Server Metrics:

  • Listen = TCP port starts accepting connections
  • First Request = HTTP server returns successful response
  • Cold = Fresh build (no cache)
  • Warm = With cached build artifacts

Build Metrics:

  • Fresh = Clean build (no .next directory)
  • Cached = With existing .next directory

Change Thresholds:

  • Time: Changes < 50ms AND < 10%, OR < 2% are insignificant
  • Size: Changes < 1KB AND < 1% are insignificant
  • All other changes are flagged to catch regressions

⚡ Dev Server

Metric Canary PR Change Trend
Cold (Listen) 455ms 455ms ✓ █▁▁▁▁
Cold (Ready in log) 437ms 438ms ✓ █▂▂▂▁
Cold (First Request) 1.201s 1.185s ✓ █▄▄▄▄
Warm (Listen) 456ms 457ms ✓ █▁▁▁▁
Warm (Ready in log) 447ms 447ms ✓ █▁▁▁▁
Warm (First Request) 346ms 342ms ✓ █▂▁▁▁
📦 Dev Server (Webpack) (Legacy)

📦 Dev Server (Webpack)

Metric Canary PR Change Trend
Cold (Listen) 455ms 456ms ✓ █▁▁▁█
Cold (Ready in log) 439ms 438ms ✓ ▁▆█▆█
Cold (First Request) 1.816s 1.807s ✓ ▂▄▄▄█
Warm (Listen) 456ms 456ms ✓ ▅▁▅▅█
Warm (Ready in log) 437ms 437ms ✓ ▁▆▆▆█
Warm (First Request) 1.823s 1.823s ✓ ▁▄▄▄█

⚡ Production Builds

Metric Canary PR Change Trend
Fresh Build 4.299s 4.339s ✓ █▁▁▁▁
Cached Build 4.427s 4.379s ✓ █▁▁▁▁
📦 Production Builds (Webpack) (Legacy)

📦 Production Builds (Webpack)

Metric Canary PR Change Trend
Fresh Build 13.870s 13.864s ✓ ▄▁▁▂█
Cached Build 13.974s 13.966s ✓ ▃▁▂▃█
node_modules Size 458 MB 458 MB ✓ ▁████
📦 Bundle Sizes

Bundle Sizes

⚡ Turbopack

Client

Main Bundles: **430 kB** → **430 kB** ✅ -82 B

82 files with content-based hashes (individual files not comparable between builds)

Server

Middleware
Canary PR Change
middleware-b..fest.js gzip 790 B 790 B ✓
Total 790 B 790 B ✓
Build Details
Build Manifests
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_buildManifest.js gzip 452 B 451 B ✓
Total 452 B 451 B ✅ -1 B

📦 Webpack

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Main Bundles
Canary PR Change
2086.HASH.js gzip 169 B N/A -
2161-HASH.js gzip 5.41 kB N/A -
2747-HASH.js gzip 4.48 kB N/A -
4322-HASH.js gzip 52.3 kB N/A -
ec793fe8-HASH.js gzip 62.3 kB N/A -
framework-HASH.js gzip 59.8 kB 59.8 kB ✓
main-app-HASH.js gzip 252 B 254 B ✓
main-HASH.js gzip 38.6 kB 38.9 kB ✓
webpack-HASH.js gzip 1.68 kB 1.68 kB ✓
1596.HASH.js gzip N/A 169 B -
2658-HASH.js gzip N/A 51.9 kB -
6349-HASH.js gzip N/A 4.46 kB -
7019-HASH.js gzip N/A 5.43 kB -
b17a3386-HASH.js gzip N/A 62.3 kB -
Total 225 kB 225 kB ✅ -13 B
Polyfills
Canary PR Change
polyfills-HASH.js gzip 39.4 kB 39.4 kB ✓
Total 39.4 kB 39.4 kB ✓
Pages
Canary PR Change
_app-HASH.js gzip 194 B 193 B ✓
_error-HASH.js gzip 182 B 182 B ✓
css-HASH.js gzip 336 B 335 B ✓
dynamic-HASH.js gzip 1.8 kB 1.8 kB ✓
edge-ssr-HASH.js gzip 256 B 256 B ✓
head-HASH.js gzip 352 B 349 B ✓
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link-HASH.js gzip 2.5 kB 2.51 kB ✓
routerDirect..HASH.js gzip 319 B 317 B ✓
script-HASH.js gzip 385 B 387 B ✓
withRouter-HASH.js gzip 316 B 315 B ✓
1afbb74e6ecf..834.css gzip 106 B 106 B ✓
Total 7.97 kB 7.96 kB ✅ -8 B

Server

Edge SSR
Canary PR Change
edge-ssr.js gzip 125 kB 125 kB ✓
page.js gzip 242 kB 237 kB 🟢 4.9 kB (-2%)
Total 367 kB 362 kB ✅ -4.89 kB
Middleware
Canary PR Change
middleware-b..fest.js gzip 654 B 653 B ✓
middleware-r..fest.js gzip 155 B 156 B ✓
middleware.js gzip 33.2 kB 33.3 kB ✓
edge-runtime..pack.js gzip 842 B 842 B ✓
Total 34.8 kB 34.9 kB ⚠️ +124 B
Build Details
Build Manifests
Canary PR Change
_buildManifest.js gzip 738 B 738 B ✓
Total 738 B 738 B ✓
Build Cache
Canary PR Change
0.pack gzip 3.66 MB 3.67 MB 🔴 +8.22 kB (+0%)
index.pack gzip 99.7 kB 100 kB ✓
index.pack.old gzip 98.9 kB 98.8 kB ✓
Total 3.86 MB 3.87 MB ⚠️ +8.47 kB

🔄 Shared (bundler-independent)

Runtimes
Canary PR Change
app-page-exp...dev.js gzip 304 kB 304 kB ✓
app-page-exp..prod.js gzip 158 kB 158 kB ✓
app-page-tur...dev.js gzip 304 kB 304 kB ✓
app-page-tur..prod.js gzip 158 kB 158 kB ✓
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app-route-tu...dev.js gzip 68.8 kB 68.8 kB ✓
app-route-tu..prod.js gzip 47.6 kB 47.6 kB ✓
app-route-tu...dev.js gzip 68.4 kB 68.4 kB ✓
app-route-tu..prod.js gzip 47.4 kB 47.4 kB ✓
app-route.ru...dev.js gzip 68.4 kB 68.4 kB ✓
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Total 2.69 MB 2.69 MB ✅ -7 B

lukesandberg
lukesandberg approved these changes Jan 12, 2026
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no real issues with this, but maybe hold off submitting until we are a bit happier with the ranking?

@wbinnssmith wbinnssmith force-pushed the wbinnssmith/bugs-report-url branch from 2b5fb26 to 487e30a Compare January 15, 2026 21:40
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codspeed-hq bot commented Jan 15, 2026 •
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CodSpeed Performance Report

Merging this PR will not alter performance

Comparing wbinnssmith/bugs-report-url (2c728ea) with canary (52b2a9c)

Summary

✅ 17 untouched benchmarks
⏩ 3 skipped benchmarks1

Footnotes

  1. 3 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports. ↩

@wbinnssmith wbinnssmith force-pushed the wbinnssmith/bugs-report-url branch from 487e30a to 7e7c8d7 Compare January 16, 2026 00:55
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nextjs-bot commented Jan 16, 2026 •
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Failing test suites

Commit: 2c728ea | About building and testing Next.js

pnpm test-start test/e2e/app-dir/segment-cache/prefetch-runtime/prefetch-runtime.test.ts (job)

  • runtime prefetching > in a private cache > can completely prefetch a page that uses cookies and no uncached IO (DD)
Expand output

● runtime prefetching › in a private cache › can completely prefetch a page that uses cookies and no uncached IO

apiRequestContext.fetch: read ECONNRESET
Call log:
  - → GET http://localhost:41695/in-private-cache/cookies-only?_rsc=180y0
  -   user-agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/130.0.6723.31 Safari/537.36
  -   accept: */*
  -   accept-encoding: gzip,deflate,br
  -   cookie: testCookie=initialValue
  -   next-test-fetch-priority: low
  -   referer: http://localhost:41695/
  -   next-router-prefetch: 1
  -   next-router-segment-prefetch: /!KGRlZmF1bHQp/in-private-cache
  -   next-url: /
  -   rsc: 1
  -   sec-ch-ua: "Chromium";v="130", "HeadlessChrome";v="130", "Not?A_Brand";v="99"
  -   sec-ch-ua-mobile: ?0
  -   sec-ch-ua-platform: "Linux"

  225 |             // server; we pass the request to the server the immediately.
  226 |             result: (async () => {
> 227 |               const originalResponse = await page.request.fetch(request, {
      |                                                           ^
  228 |                 maxRedirects: 0,
  229 |               })
  230 |

  at fetch (lib/router-act.ts:227:59)
  at lib/router-act.ts:245:13
  at routeHandler (lib/router-act.ts:257:7)

● runtime prefetching › in a private cache › can completely prefetch a page that uses cookies and no uncached IO

apiRequestContext.fetch: read ECONNRESET
Call log:
  - → GET http://localhost:41695/in-private-cache/cookies-only?_rsc=180y0
  -   user-agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) HeadlessChrome/130.0.6723.31 Safari/537.36
  -   accept: */*
  -   accept-encoding: gzip,deflate,br
  -   cookie: testCookie=initialValue
  -   next-test-fetch-priority: low
  -   referer: http://localhost:41695/
  -   next-router-prefetch: 1
  -   next-router-segment-prefetch: /!KGRlZmF1bHQp/in-private-cache
  -   next-url: /
  -   rsc: 1
  -   sec-ch-ua: "Chromium";v="130", "HeadlessChrome";v="130", "Not?A_Brand";v="99"
  -   sec-ch-ua-mobile: ?0
  -   sec-ch-ua-platform: "Linux"

  225 |             // server; we pass the request to the server the immediately.
  226 |             result: (async () => {
> 227 |               const originalResponse = await page.request.fetch(request, {
      |                                                           ^
  228 |                 maxRedirects: 0,
  229 |               })
  230 |

  at fetch (lib/router-act.ts:227:59)
  at lib/router-act.ts:245:13
  at routeHandler (lib/router-act.ts:257:7)

@wbinnssmith
Turbopack: use bugs.nextjs.org for Turbopack panic error reports
2c728ea 
Update the bug report link to use the new bugs.nextjs.org service instead of the direct GitHub discussions URL. Also shares more code when handling terminals that don't support links.

Test Plan: Added a deliberate panic to a turbotask, verified the link.
@wbinnssmith wbinnssmith force-pushed the wbinnssmith/bugs-report-url branch from 7e7c8d7 to 2c728ea Compare January 16, 2026 17:22
@wbinnssmith wbinnssmith merged commit d3b3e3a into canary Jan 16, 2026
289 of 291 checks passed
@wbinnssmith wbinnssmith deleted the wbinnssmith/bugs-report-url branch January 16, 2026 21:05
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