The caret sign (^) is used for pub dependencies in Dart to indicate a range of version numbers are allowed. Specifically, any version from the specified version up to (but not including) the next non-breaking version is ok. So ^3.1.5 is the same as ‘>=3.1.5 <4.0.0’ And ^1.2.3 would be the same as ‘>=1.2.3 <2.0.0’ … Read more
In a nutshell, the syntax for Bower version numbers (and NPM’s) is called SemVer, which is short for ‘Semantic Versioning’. You can find documentation for the detailed syntax of SemVer as used in Bower and NPM on the API for the semver parser within Node/npm. You can learn more about the underlying spec (which does … Read more
See the NPM docs and semver docs: ~version “Approximately equivalent to version”, will update you to all future patch versions, without incrementing the minor version. ~1.2.3 will use releases from 1.2.3 to <1.3.0. ^version “Compatible with version”, will update you to all future minor/patch versions, without incrementing the major version. ^2.3.4 will use releases from … Read more