What does tilde-greater-than (~>) mean in Ruby gem dependencies? [duplicate]

by

It means “equal to or greater than in the last digit”, so e.g. ~> 2.3 means
“equal to 2.3 or greater than 2.3, but less than 3.0”, while ~> 2.3.0 would
mean “equal to 2.3.0 or greater than 2.3.0, but less than 2.4.0”.

You can pronounce it as “approximately greater than”.

§ Pessimistic version constraint

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