if-instance-0.2.1.0: changelog.md

# Version 0.2.1.0 (2021-08-31)

- Require `ghc-tcplugin-api >= 0.5.1.0`.

# Version 0.2.0.0 (2021-08-31)

- Add a type family `IsSat :: Constraint -> Bool`
  that computes whether a type-family is satisfied in
  the current context.

- Rename `IfCt` to `IfSat`.

# Version 0.1.0.0 (2021-08-30)

Initial release.