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The caret character is a specification in NPM, not semver. It's designed to work within the semantic versioning rules to ensure you get the latest version which includes bug fixes, but also won't include breaking changes.

For example, ^1.3.2 will allow anything greater than 1.3.2 but not 2.0.0. It also has special behaviour that makes it more strict for projects with a major version of 0. If your dependencies follow semver then you'll get bug fixes and security updates without having to do anything or worry about breaking changes.

More info: https://nodesource.com/blog/semver-tilde-and-caret/

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