From: Eric Hodel Date: 2011-03-01T03:59:22+09:00 Subject: Re: Need Your Help: RubyGems' Gem Activation is Changing On Feb 25, 2011, at 12:22 PM, Roger Pack wrote: > I'm a bit confused here. > > Does the following mean that actionpack-2.3.5 requires rack ~> 1.0.0 and > thin requires 1.2.1? Are those mutually compatible? No, ~> 1.0.0 is >= 1.0.0 and < 1.1.