New features:

• Add ST.clone (#243 by @gbagan)

Other improvements:

• Implements ST.push via a call to JavaScript's native push instead of pushAll (#236 by @i-am-the-slime)

• Updates non-ST FFI to use uncurried functions via Fn types (#235 by @JordanMartinez)
• Updates ST FFI to use uncurried functions via STFnX types (#234 by @JordanMartinez)

New features:

• Add prependArray (#224 by @JordanMartinez)
• Add Data.Array.ST.length (#239 by @Blugatroff)

Other improvements:

• Use more efficient implementation for mapWithIndex (#233 by @JordanMartinez)

New features:

• Added transpose to Array (#225 by @newlandsvalley and @JordanMartinez)
• Added transpose and transpose' to Array.NonEmpty (#227 by @newlandsvalley and @JordanMartinez)

Breaking changes:

• Migrate FFI to ES modules (#218 by @kl0tl and @JordanMartinez)
• Drop deprecated group' and empty (#219 by @JordanMartinez)

Other improvements:

• Fixed minor documentation issue with find (#216 by @JamieBallingall)

Other improvements:

• Fixed warnings revealed by v0.14.1 PS release (#213 by @JordanMartinez)

Breaking changes:

• Added support for PureScript 0.14 and dropped support for all previous versions (#181)
• Renamed Data.Array.ST.empty to Data.Array.ST.new (#191, #198)
• Renamed group' to groupAll (#194, #200)

New features:

• Added specialized versions of the functions from Data.Foldable (#201):
  • Added foldl, foldr, foldMap, fold, intercalate to Array
  • Added foldl1, foldr1, foldMap1, foldl1, intercalate to Array.NonEmpty
• Added specialized elem, notElem, find, findMap, scanl, scanr, any, all (#189, #193, #201)
• Added intersperse, groupAllBy, splitAt (#179, #188, #194, #200, #201)
• Added mapWithIndex, groupBy to Array.NonEmpty (#201, #164)

Bugfixes:

• Fixed sort, so undefined is sorted by comparison function and not simply moved to the end of the array (#195, #197)

Other improvements:

• Generated changelog and added PR template (#208, #209)
• Added benchmarking (#178)
• Migrated to GitHub Actions for CI (#187, #169)
• Removed some internal usages of unsafeCoerce (#184)
• Changed foldM type signature to more closely match foldl (#160)
• Updated installation instructions to use Spago (#171)
• Replaced foreign cons, snoc, drop, take with PureScript implementations (#180)
• Removed return {} from FFI function for a small performance boost (#175)
• Bumped pulp version (#174)
• Removed primes from foreign modules exports (#168)

Replace use of unsafeCoerce in freeze/thaw functions with discrete foreign functions (@andyarvanitis)

Added pop, shift, unshift, unshiftAll for Data.Array.ST (@8084)

Performance improvement for nubByEq (@sharno)