Current behavior:
-
During
next build, I keep getting this warning multiple times:- [baseline-browser-mapping] The data in this module is over two months old. To ensure accurate Baseline data, please update:
npm i baseline-browser-mapping@latest -D
- [baseline-browser-mapping] The data in this module is over two months old. To ensure accurate Baseline data, please update:
-
This happens even after I have already installed the latest version of
baseline-browser-mappingas a dev dependency. -
The build completes successfully, but the warning is repeated many times (once per worker).
VS Code Terminal logs
PS path> bun add -d baseline-browser-mapping@latest[0.20ms] ".env.local"bun add v1.3.2 (b131639c)
installed baseline-browser-mapping@2.9.4 with binaries: - baseline-browser-mapping
[2.01s] donePS path> bun run build$ next build[baseline-browser-mapping] The data in this module is over two months old. To ensure accurate Baseline data, please update: `npm i baseline-browser-mapping@latest -D` ▲ Next.js 16.0.3 (Turbopack, Cache Components) - Environments: .env.local - Experiments (use with caution): · serverActions
Creating an optimized production build ...[baseline-browser-mapping] The data in this module is over two months old. To ensure accurate Baseline data, please update: `npm i baseline-browser-mapping@latest -D`[baseline-browser-mapping] The data in this module is over two months old. To ensure accurate Baseline data, please update: `npm i baseline-browser-mapping@latest -D` ✓ Compiled successfully in 6.7s ✓ Finished TypeScript in 5.6s Collecting page data using 7 workers ...[baseline-browser-mapping] The data in this module is over two months old. To ensure accurate Baseline data, please update: `npm i baseline-browser-mapping@latest -D`[baseline-browser-mapping] The data in this module is over two months old. To ensure accurate Baseline data, please update: `npm i baseline-browser-mapping@latest -D`[baseline-browser-mapping] The data in this module is over two months old. To ensure accurate Baseline data, please update: `npm i baseline-browser-mapping@latest -D`[baseline-browser-mapping] The data in this module is over two months old. To ensure accurate Baseline data, please update: `npm i baseline-browser-mapping@latest -D`[baseline-browser-mapping] The data in this module is over two months old. To ensure accurate Baseline data, please update: `npm i baseline-browser-mapping@latest -D`[baseline-browser-mapping] The data in this module is over two months old. To ensure accurate Baseline data, please update: `npm i baseline-browser-mapping@latest -D` Collecting page data using 7 workers .[baseline-browser-mapping] The data in this module is over two months old. To ensure accurate Baseline data, please update: `npm i baseline-browser-mapping@latest -D` ✓ Collecting page data using 7 workers in 1857.4ms [baseline-browser-mapping] The data in this module is over two months old. To ensure accurate Baseline data, please update: `npm i baseline-browser-mapping@latest -D`home/layout.tsxNavbar@cart page.tsx 0home/layout.tsxNavbar@cart page.tsx 0 ✓ Generating static pages using 7 workers (6/6) in 1422.1ms ✓ Finalizing page optimization in 12.9ms
Route (app)┌ ○ /├ ○ /_not-found├ ƒ /api/rpc/[...route]├ ○ /error/misconfigured-auth└ ◐ /home
ƒ Proxy (Middleware)
○ (Static) prerendered as static content◐ (Partial Prerender) prerendered as static HTML with dynamic server-streamed contentƒ (Dynamic) server-rendered on demand
Expected behavior:
After installing the latest version of baseline-browser-mapping, the warning should no longer appear during the build.
Steps to reproduce:
-
Use Next.js 16.0.3 with Turbopack.
-
Use Bun as the package manager.
-
Run:
bun add -d baseline-browser-mapping@latest -
Then run:
bun run build -
The warning about outdated
baseline-browser-mappingstill appears multiple times.
No custom configuration related to browser targets or baseline mapping is used.
<!-- Project information (URL, framework, environment, project settings) -->
Project information
-
Framework: Next.js 16.0.3 (App Router, Turbopack, Cache Components)
-
Package manager: Bun v1.3.2
-
Node.js: Installed, but build executed via Bun
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OS: Windows 10
-
Environment:
.env.local -
Deployment target: Vercel (planned)
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Project type: E-commerce app using App Router + Server Actions
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Build command:
bun run build
Question:
Is this warning coming from an internal copy of baseline-browser-mapping within Next.js itself? If so, is there an official way to update or suppress it safely?