
Express 5 optional routes - Fix the Unexpected ? Error
10/5/2026
Express 5 optional routes fail with Unexpected ? after an upgrade? Replace old Express 4 syntax with braces and fix wildcards, too.
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10/5/2026
Express 5 optional routes fail with Unexpected ? after an upgrade? Replace old Express 4 syntax with braces and fix wildcards, too.

10/4/2026
Typescript 7 ts-jest fix for Jest failures: use the supported side-by-side compiler setup, keep the TS6 API alias, and verify both compilers.

10/3/2026
Next.js middleware cookie can look missing on the first render. Learn the request flow, current Next.js 15/16 behavior, and safe fixes.

10/2/2026
Nextjs dev server leak can expose local development data through the MCP endpoint. Upgrade to Next.js 16.3.8 and verify your dev setup.

9/14/2026
Next.js global error build fails with a null useContext crash in Next.js 16. Learn how to spot the framework bug and fix the build safely.

9/1/2026
Next.js AVIF optimization RCE affects self-hosted apps on 10.0.0-15.5.23 and 16.0.0-16.3.2. Get the version check, the patch, and today's interim fix.

8/31/2026
Next.js App Shell Session data gets cached per browser after 16.3. Here's exactly what that means for your login, dashboard, and logout routes.

8/30/2026
Next.js August 2026 security release fixes two critical RCE bugs - an AVIF flaw and a Windows-only exploit. See if you're affected and how to patch.

8/22/2026
Use cache private cookies breaks on client-side nav in Next.js 16 - a confirmed Vercel bug. Here's the tested fix devs are missing.