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CI: consider adding npm dependency caching to setup-node step

Status: Open.

#7196 In expressjs/express;

· eddieteall opened on Apr 21, 2026

req.query will produce object instead of array when it contains more than 20 values in v4.22.X

4.x

5.x

bug

Status: Open.

Bug

#7147 In expressjs/express;

· nabilzhafri opened on Apr 1, 2026

Remove magic from res.set

6.x

ideas

require-triage

Status: Open.

#7145 In expressjs/express;

· blakeembrey opened on Mar 31, 2026

View.prototype.lookup() lacks path containment check (unlike send library for res.sendFile)

enhancement

require-triage

security

Status: Open.

#7140 In expressjs/express;

· raajheshkannaa opened on Mar 30, 2026

res.set('Content-Type') silently sets header to literal string 'false' for unknown types

discuss

Status: Open.

#7034 In expressjs/express;

· veeceey opened on Feb 14, 2026

Standardize on error codes for errors express throws

6.x

ideas

Status: Open.

#6951 In expressjs/express;

· jonchurch opened on Dec 12, 2025

res.redirect(undefined) sends invalid Location: undefined header

6.x

deprecate

Status: Open.

Bug

#6941 In expressjs/express;

· BOXER78 opened on Dec 3, 2025

I am unable to set cookies in vercel app for my application. While my backend is deployed in render.

awaiting more info

Status: Open.

#6926 In expressjs/express;

· rajgupta2 opened on Nov 29, 2025

How to use Express server with http2.createSecureServer for HTTP/2?

Status: Open.

#6863 In expressjs/express;

· khteh opened on Oct 28, 2025

Router cycles cause silent runtime hangs

module:router

Status: Open.

#6809 In expressjs/express;

· IlyasShabi opened on Oct 6, 2025

TypeError: Do not know how to serialize a BigInt when using sendStatus with a BigNum instead of intended error message

enhancement

Status: Open.

#6756 In expressjs/express;

· joshua-rogers-exodus opened on Sep 13, 2025

(FR): esm support

6.x

Status: Open.

Feature

#6739 In expressjs/express;

· luas10c opened on Aug 31, 2025