force a single dependency to install on different (lower) requirements · Issue #6126 · composer/composer · GitHub
Managing Flex, extra.symfony.require & Version Constraints > Upgrading & What's New in Symfony 5! | SymfonyCasts
![continuous integration - composer install composer/package-versions-deprecated : Could not resolve hostname github.com: Name or service not known - Stack Overflow continuous integration - composer install composer/package-versions-deprecated : Could not resolve hostname github.com: Name or service not known - Stack Overflow](https://i.stack.imgur.com/5rZ1Y.png)
continuous integration - composer install composer/package-versions-deprecated : Could not resolve hostname github.com: Name or service not known - Stack Overflow
![magento2 - Magento 2.4.2: Your requirements could not be resolved to an installable set of packages - Magento Stack Exchange magento2 - Magento 2.4.2: Your requirements could not be resolved to an installable set of packages - Magento Stack Exchange](https://i.stack.imgur.com/P9rrc.png)
magento2 - Magento 2.4.2: Your requirements could not be resolved to an installable set of packages - Magento Stack Exchange
![Could not delete /home/vagrant/.../vendor/composer/package-versions-deprecated/src · Issue #21 · composer/package-versions-deprecated · GitHub Could not delete /home/vagrant/.../vendor/composer/package-versions-deprecated/src · Issue #21 · composer/package-versions-deprecated · GitHub](https://user-images.githubusercontent.com/28949050/101880050-42347280-3bcd-11eb-9518-63e8c2d1855f.png)