Cats Files

Cats v2.11.0 is a binary-compatible release in the 2.x series. It is published for Scala 2.12, 2.13, and 3.3+ with Scala.js 1.13+ and Scala Native 0.4.

What's Changed

Features

• Add OptionT#unlessM by @m50d in https://github.com/typelevel/cats/pull/4519
• Add mapOrKeep to Functor by @jozic in https://github.com/typelevel/cats/pull/4582
• Expose FunctionK.liftFunction as a part of the Scala 3 API by @pomadchin in https://github.com/typelevel/cats/pull/4600
• FunctionKLift cross compiled liftFunction suite by @pomadchin in https://github.com/typelevel/cats/pull/4603

Optimizations

• Replaces other Applicative.pure(()) with .unit by @satorg in https://github.com/typelevel/cats/pull/4558
• Use Applicative#unit in Foldable#traverse_ by @valencik in https://github.com/typelevel/cats/pull/4557
• Optimize traverse by @TimWSpence in https://github.com/typelevel/cats/pull/4498

Fixes

• Fix EitherT Bifunctor priority, add Bifoldable instance by @joroKr21 in https://github.com/typelevel/cats/pull/4576
• fix ambiguous ContravariantShow[SortedSet[A]] (& SortedMap) by @chwthewke in https://github.com/typelevel/cats/pull/4575
• Reduce visibility of value member in the NonEmptyMap syntax by @TonioGela in https://github.com/typelevel/cats/pull/4559

Documentation

• Fix link to Fetch by @mainali123 in https://github.com/typelevel/cats/pull/4522
• update book's link to second edition by @naferx in https://github.com/typelevel/cats/pull/4524
• fix wording at end of Semigroup doc by @vreuter in https://github.com/typelevel/cats/pull/4551
• Fix choice alias render in docs by @Masynchin in https://github.com/typelevel/cats/pull/4580
• fix typo by @Ghurtchu in https://github.com/typelevel/cats/pull/4583
• Use syntax in Functor's doc examples by @jozic in https://github.com/typelevel/cats/pull/4599

Behind-the-scenes

• fix MonadOps.scala and FunctionKMacros.scala dir by @xuwei-k in https://github.com/typelevel/cats/pull/4548
• Bump base version to 2.11 by @armanbilge in https://github.com/typelevel/cats/pull/4496
• add explicit type by @xuwei-k in https://github.com/typelevel/cats/pull/4508
• fix warning in build.sbt by @xuwei-k in https://github.com/typelevel/cats/pull/4518
• enforce new wildcard syntax by @xuwei-k in https://github.com/typelevel/cats/pull/4544
• Update copyright date by @geny200 in https://github.com/typelevel/cats/pull/4593

Updates

• Update sbt-typelevel, sbt-typelevel-site to 0.5.0 by @typelevel-steward in https://github.com/typelevel/cats/pull/4497
• Update sbt to 1.9.4 by @typelevel-steward in https://github.com/typelevel/cats/pull/4500
• Update scalafmt-core to 3.7.13 by @typelevel-steward in https://github.com/typelevel/cats/pull/4502
• Update scalafmt-core to 3.7.14 by @typelevel-steward in https://github.com/typelevel/cats/pull/4503
• Update sbt-jmh to 0.4.6 by @typelevel-steward in https://github.com/typelevel/cats/pull/4506
• Update scala3-library, ... to 3.3.1 by @typelevel-steward in https://github.com/typelevel/cats/pull/4507
• Update nscplugin, sbt-scala-native, ... to 0.4.15 by @typelevel-steward in https://github.com/typelevel/cats/pull/4505
• Update sbt-typelevel, sbt-typelevel-site to 0.5.1 by @typelevel-steward in https://github.com/typelevel/cats/pull/4509
• Update scala-library, scala-reflect to 2.13.12 by @typelevel-steward in https://github.com/typelevel/cats/pull/4510
• Update sbt-typelevel, sbt-typelevel-site to 0.5.2 by @typelevel-steward in https://github.com/typelevel/cats/pull/4511
• Update sbt to 1.9.5 by @typelevel-steward in https://github.com/typelevel/cats/pull/4512
• Update munit to 1.0.0-M9 by @typelevel-steward in https://github.com/typelevel/cats/pull/4513
• Update sbt to 1.9.6 by @typelevel-steward in https://github.com/typelevel/cats/pull/4515
• Update sbt-typelevel, sbt-typelevel-site to 0.5.3 by @typelevel-steward in https://github.com/typelevel/cats/pull/4517
• Update munit to 1.0.0-M10 by @typelevel-steward in https://github.com/typelevel/cats/pull/4516
• Update sbt-scalajs, scalajs-compiler, ... to 1.14.0 by @typelevel-steward in https://github.com/typelevel/cats/pull/4520
• Update sbt-typelevel, sbt-typelevel-site to 0.5.4 by @typelevel-steward in https://github.com/typelevel/cats/pull/4523
• Update flatMapF in nomenclature.md by @pera in https://github.com/typelevel/cats/pull/4525
• Update nscplugin, sbt-scala-native, ... to 0.4.16 by @typelevel-steward in https://github.com/typelevel/cats/pull/4526
• Update sbt-typelevel, sbt-typelevel-site to 0.6.0 by @typelevel-steward in https://github.com/typelevel/cats/pull/4527
• Update sbt to 1.9.7 by @typelevel-steward in https://github.com/typelevel/cats/pull/4529
• Update scalafmt-core to 3.7.15 by @typelevel-steward in https://github.com/typelevel/cats/pull/4530
• Update sbt-typelevel, sbt-typelevel-site to 0.6.1 by @typelevel-steward in https://github.com/typelevel/cats/pull/4532
• Update sbt-typelevel, sbt-typelevel-site to 0.6.2 by @typelevel-steward in https://github.com/typelevel/cats/pull/4535
• Update scalafmt-core to 3.7.17 by @typelevel-steward in https://github.com/typelevel/cats/pull/4536
• Update sbt-typelevel, sbt-typelevel-site to 0.6.3 by @typelevel-steward in https://github.com/typelevel/cats/pull/4538
• Update sbt-jmh to 0.4.7 by @typelevel-steward in https://github.com/typelevel/cats/pull/4539
• Update sbt to 1.9.8 by @typelevel-steward in https://github.com/typelevel/cats/pull/4541
• Update sbt-typelevel, sbt-typelevel-site to 0.6.4 by @typelevel-steward in https://github.com/typelevel/cats/pull/4542
• Update sbt-typelevel, sbt-typelevel-site to 0.6.5 by @typelevel-steward in https://github.com/typelevel/cats/pull/4546
• Update nscplugin, sbt-scala-native, ... to 0.4.17 by @typelevel-steward in https://github.com/typelevel/cats/pull/4550
• Update sbt-scalajs, scalajs-compiler, ... to 1.15.0 by @typelevel-steward in https://github.com/typelevel/cats/pull/4549
• Update munit to 1.0.0-M11 by @typelevel-steward in https://github.com/typelevel/cats/pull/4556
• Update sbt-typelevel, sbt-typelevel-site to 0.6.6 by @typelevel-steward in https://github.com/typelevel/cats/pull/4560
• Update scalafmt-core to 3.8.0 by @typelevel-steward in https://github.com/typelevel/cats/pull/4563
• Update sbt to 1.9.9 by @typelevel-steward in https://github.com/typelevel/cats/pull/4565
• Update sbt-typelevel, sbt-typelevel-site to 0.6.7 by @typelevel-steward in https://github.com/typelevel/cats/pull/4566
• Update scala-library, scala-reflect to 2.13.13 by @typelevel-steward in https://github.com/typelevel/cats/pull/4568
• Update scala-library, scala-reflect to 2.12.19 by @typelevel-steward in https://github.com/typelevel/cats/pull/4567
• Update scala3-library, ... to 3.3.3 by @typelevel-steward in https://github.com/typelevel/cats/pull/4571
• Update sbt-buildinfo to 0.12.0 by @typelevel-steward in https://github.com/typelevel/cats/pull/4577
• Update scalafmt-core to 3.8.1 by @typelevel-steward in https://github.com/typelevel/cats/pull/4578
• Update sbt-scalajs, scalajs-compiler, ... to 1.16.0 by @typelevel-steward in https://github.com/typelevel/cats/pull/4581
• Update discipline-core to 1.6.0 by @typelevel-steward in https://github.com/typelevel/cats/pull/4588
• Update scalacheck to 1.17.1 by @typelevel-steward in https://github.com/typelevel/cats/pull/4586
• Update sbt-typelevel, sbt-typelevel-site to 0.7.0 by @typelevel-steward in https://github.com/typelevel/cats/pull/4591
• Update munit to 1.0.0-RC1 by @typelevel-steward in https://github.com/typelevel/cats/pull/4592
• Update scala-library, scala-reflect to 2.13.14 by @typelevel-steward in https://github.com/typelevel/cats/pull/4594
• Update sbt to 1.10.0 by @typelevel-steward in https://github.com/typelevel/cats/pull/4596
• Update sbt-typelevel, sbt-typelevel-site to 0.7.1 by @typelevel-steward in https://github.com/typelevel/cats/pull/4597
• Update munit to 1.0.0 by @typelevel-steward in https://github.com/typelevel/cats/pull/4604

New Contributors

• @m50d made their first contribution in https://github.com/typelevel/cats/pull/4519
• @mainali123 made their first contribution in https://github.com/typelevel/cats/pull/4522
• @naferx made their first contribution in https://github.com/typelevel/cats/pull/4524
• @vreuter made their first contribution in https://github.com/typelevel/cats/pull/4551
• @chwthewke made their first contribution in https://github.com/typelevel/cats/pull/4575
• @Ghurtchu made their first contribution in https://github.com/typelevel/cats/pull/4583
• @geny200 made their first contribution in https://github.com/typelevel/cats/pull/4593
• @pomadchin made their first contribution in https://github.com/typelevel/cats/pull/4600

Full Changelog: https://github.com/typelevel/cats/compare/v2.10.0...v2.11.0