Next Significant Release Operators Tilde and caret version constraints in Composer TLTR: There are also some syntactic sugar operators like ~ (tilde) and ^ (caret). ~4.1.3 means >=4.1.3,=4.1.0,=0.4.0,=4.0.0,=4.1.3,=4.1.0,=0.4.0,=4.0.0,