http://ricostacruz.com/cheatsheets/semver.html
Given a version number MAJOR.MINOR.PATCH
:
-MAJOR
= incompatible API changes.
-MINOR
= add functionality. (backwards-compatible)
-PATCH
= bug fixes. (backwards-compatible)
1.2.3
=1.2.3
>1.2.3
<1.2.3
>=1.2.3
Note that suffixed versions (1.2.3-rc1) are not matched.
~1.2.3 : is >=1.2.3 <1.3.0
^1.2.3 : is >=1.2.3 <2.0.0
^0.2.3 : is >=0.2.3 <0.3.0 (0.x.x is special)
^0.0.1 : is =0.0.1 (0.0.x is special)
^1.2 : is >=1.2.0 <2.0.0 (like ^1.2.0)
~1.2 : is >=1.2.0 <1.3.0 (like ~1.2.0)
^1 : is >=1.0.0 <2.0.0
~1 : same
1.x : same
1.* : same
1 : same
* : any version
x : same
1.2.3-prerelease+build
^
means “compatible with”~
means “reasonably close to”0.x.x
is for “initial development”1.x.x
means public API is defined