See also http://pvp.haskell.org/faq

0.94.0.0

• Breaking change: Switch RegExp API from the previously used Monad(fail) to MonadFail(fail) to denote matching failures

• Define Extract Text instances for strict and lazy Text types

• Compatibility with base-4.13.0

• Explicitly declare all modules Safe under SafeHaskell for GHC 7.4 and higher

---