Silverstripe CMS 5 fixed dependencies#
Silverstripe CMS relies on third party packages. Silverstripe CMS projects may interact directly or indirectly with those dependencies.
We've defined a list of fixed dependencies for the lifetime of Silverstripe CMS 5. These dependencies will not be upgraded to new major version within the Silverstripe CMS 5 release line.
Dependencies not in this list may be changed or removed altogether within the lifetime of Silverstripe CMS 5.
| Dependency | Fixed major release line |
|---|---|
composer-plugin-api | 2 |
composer/installers | 2 |
guzzlehttp/guzzle | 7 |
guzzlehttp/psr7 | 2 |
intervention/image | 2 |
league/flysystem | 3 |
monolog/monolog | 3 |
phpunit/phpunit | 9 |
symfony/* | 6 |
webonyx/graphql-php | 15 |
Symfony dependencies#
Silverstripe CMS relies on many Symfony packages. Silverstripe CMS 5 tracks the Symfony 6 release. If your Silverstripe CMS project uses Symfony packages, install packages version compatible with Symfony 6 or you may encounter dependency conflicts.
Related information#
- Dependency management as defined by our Major release policy
- Symfony support commitments as defined by our Major release policy