Cannot install Composer v1.8.4 on Windows 10.0.17134 Build 17134 · Issue #92 · composer/windows-setup · GitHub
Managing Flex, extra.symfony.require & Version Constraints > Upgrading & What's New in Symfony 5! | SymfonyCasts
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Composer 2.0 — How to upgrade and features overview — Amit Merchant — A blog on PHP, JavaScript, and more
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