What are the potential pitfalls to avoid when versioning PHP projects, especially when using Composer as a package manager?

One potential pitfall to avoid when versioning PHP projects, especially when using Composer as a package manager, is not specifying exact version numbers for dependencies. This can lead to unexpected behavior or breaking changes when new versions of dependencies are released. To avoid this, it's recommended to specify exact version numbers or use version constraints carefully in your `composer.json` file. ```json { "require": { "vendor/package": "1.2.3" } } ```