1.0.3

• Parse x and X as wildcards, as in 0.4.x (#247)

1.0.2

• Fix no-std support (#244)

1.0.1

• Modify <I.J requirements to work consistently with npm's implementation in the presence of pre-releases (#241)
• Add FromIterator<Comparator> for VersionReq (#242)

1.0.0

https://twitter.com/steveklabnik/status/1397246523742818313