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Is it possible to get version 2 with alternative install methods?

Status: Open.

#9830 In composer/composer;

· jasonday opened on Apr 12, 2021

Consider doing another PHP dependency bump to PHP 8.2+

Refactoring

Status: Open.

Feature

#12177 In composer/composer;

· Seldaek opened on Oct 28, 2024

Upgrade PHPStan to 2.x

Status: Open.

Feature

#12202 In composer/composer;

· Seldaek opened on Nov 17, 2024

composer run: Ctrl+C leaves shell in a broken state

Status: Open.

Bug

#12526 In composer/composer;

· cweiske opened on Sep 3, 2025

Optimize exclude-from-classmap

Refactoring

Status: Draft (not ready).

composer/composernumber 11962

#11962 In composer/composer;

· Seldaek opened on May 3, 2024

Improve stream wrapper support

Status: Draft (not ready).

composer/composernumber 12396

#12396 In composer/composer;

· BrianHenryIE opened on May 2, 2025

[RFC / POC] Feature system : allow libraries to declare grouped optional dependencies

Status: Open (in progress).

composer/composernumber 12354

#12354 In composer/composer;

· joelwurtz opened on Mar 27, 2025

Featture: #11746: Allow environment variables to be used in json files

Status: Open (in progress).

composer/composernumber 12589

#12589 In composer/composer;

· Matthiasklaasse opened on Nov 2, 2025