Monix: Version 3.0.0-RC3

This release depends on Cats-Effect 1.3.1 and Cats 1.6.1.

The next planned release will target Cats-Effect 2.0.0 with Scala 2.13 support.

NOTE: this release IS NOT binary compatible with 3.0.0-RC2, as it contains some API changes, but it should be source compatible (with @deprecated symbols where the case).

Upgrading #

To use the new version, include this in your build.sbt:

libraryDependencies += "io.monix" %% "monix" % "3.0.0-RC3"

Changes #

Sub-project: monix-execution #

This sub-project no longer depends on cats-effect and there are various improvement to Local aimed at fixing interop with Future. Note that you might have to call Local.isolate to disable any sharing between tasks.

  • PR #775: Simplified FutureUtils materialize & dematerialize

  • PR #790: improve fixed rate scheduling on JS

  • PR #803: Eagerly null out dequeued elements in ChunkedArrayQueue

  • PR #822: remove dependency on cats-effect from monix-execution

  • PR #773: change Cancelable.empty type to Cancelable

  • PR #887: Shared locals with binds

  • PR #888: Fix uncaught exception reporting for Scheduler

Sub-project: monix-catnap #

  • PR #778: Adds ConcurrentChannel

  • PR #784: More concurrent tests for MVar/Semaphore

  • PR #865: Adding FunctionK values for Task, Coeval

Sub-project: monix-eval #

  • PR #802: encapsulate local ctx on task execution

  • PR #807: Improve encapsulation test, encapsulate locals on ContextShift

  • PR #838: Add taskified variants of timeout combinators

  • PR #839: TaskLocal should propagate when used with Bracket Methods

  • PR #849: Specify exception on timeout

  • PR #887: Shared locals with binds

  • PR #865: Adding FunctionK values for Task, Coeval

Sub-project: monix-reactive #

  • PR #759: Add Contravariant Observer and Subscriber

  • PR #760: add Observable.filterEval

  • PR #774: Add FunctorFilter instances for Iterant&Observable

  • PR #779: fork blocking i/o observable ops

  • PR #794: Acquire lock per subscription instead of observable-wide lock

  • PR #801: Observable buffers refactoring

  • PR #819: Extend ObservableLike with filterNot method

  • PR #831: SerializableSuite to no longer test Future for serializability

  • PR #834: Observable.reduce should emit for single item source

  • PR #846: Ensure mapParallelOrdered runs in parallel

  • PR #872: Add observable take while inclusive

  • PR #895: Fix memory leak in MapParallelOrderedObservable

Sub-project: monix-tail #

  • PR #778: Adds Iterant.channel, Iterant#consume

  • PR #826: add Iterant.uncons operation

Chores #

  • PR #766: Update sbt-unidoc to 0.4.2

  • PR #766: Update sbt-pgp to 1.1.2

  • PR #768: Update sbt-mima-plugin to 0.3.0

  • PR #769: Update sbt-git to 1.0.0

  • PR #770: Update jctools-core to 2.1.2

  • PR #771: Update kind-projector to 0.9.8

  • PR #772: Update sbt-jmh to 0.3.4

  • PR #771: Update kind-projector to 0.9.9

  • PR #783: Use globally accessible (rather than local) source paths in JS source maps (#781)

  • PR #785: Update sbt-scalajs, scalajs-compiler, scalajs-library… to 0.6.26

  • PR #788: Update cats-effect, cats-effect-laws to 1.1.0

  • PR #796: fix scalacOptions

  • PR #797: Scala 2.12.8

  • PR #798: Update intervalWithFixedDelay scaladoc

  • PR #805: Rename keysBuffer to os in groupBy’s parameters

  • PR #808: Update Copyright to 2019

  • PR #810: sbt 1.2.8 (was 1.1.0)

  • PR #812: Update Minitest to 2.3.2

  • PR #813: Disable code coverage

  • PR #818: Update Cats-Effect to 1.2.0

  • PR #820: Update cats-laws to 1.5.0

  • PR #821: Update cats-laws to 1.6.0

  • PR #823: Scala 2.13 support

  • PR #821: Update sbt-header to 5.1.0

  • PR #827: Remove comments from .jvmopts

  • PR #833: Fix build for 2.13.0-M5 by deactivating Mima for it

  • PR #840: Add adopters list seed

  • PR #842: Fixed deprecation docs for Task#coeval

  • PR #843: Remove dead code from tests

  • PR #844: Update sbt-header to 5.2.0

  • PR #847: Update ExecutionModel.scala

  • PR #850: Increase rate in AsyncSchedulerSuite

  • PR #854: fix apparently erronous code involving Unit companion

  • PR #855: Update sbt-jmh to 0.3.5

  • PR #857: Make benchmarks compile

  • PR #859: Update sbt-scalajs, scalajs-compiler to 0.6.27

  • PR #867: Update kind-projector to 0.10.0

  • PR #869: fix compile errors with latest Scala 2.13

  • PR #874: Update cats-effect, cats-effect-laws to 1.3.0

  • PR #878: Compile Benchmarks in CI

  • PR #879: Do on subscription cancel scaladoc fix

  • PR #889: Update cats-effect, cats-effect-laws to 1.3.1

  • PR #894: Add UnsafeBecauseImpure Annotation to foreach.

  • PR #896: Update cats-laws to 1.6.1

  • PR #898: Reformating via Scalafmt

  • PR #899: Fix autoCancelableRunLoops comment.

  • PR #901: avoid deprecated unicode arrow chars

  • PR #902: reformat build files

Thanks #

People that made this release possible, in alphabetical order:

  • Alexandru Nedelcu (@alexandru)
  • Allan Timothy Leong (@allantl)
  • Daniel Neades (@djneades)
  • Dawid Dworak (@ddworak)
  • Eugene Platonov (@jozic)
  • Itamar Ravid (@iravid)
  • Jorge (@jvican)
  • Jorge Branco (@jorgedfbranco)
  • Kenji Yoshida (@xuwei-k)
  • Luke Stephenson (@lukestephenson)
  • Matthew de Detrich (@mdedetrich)
  • Mikhail Chugunkov (@poslegm)
  • Oleg Pyzhcov (@oleg-py)
  • Ota Hauptmann (@Otah)
  • Piotr Gawryś (@Avasil)
  • Roman Tkalenko (@tkroman)
  • Ryo Fukumuro (@rfkm)
  • Sam Guymer (@guymers)
  • Seth Tisue (@SethTisue)
  • Tanaka Takaya (@takayahilton)
  • Yann Simon (@yanns)

And special thanks to our top contributor in this release: https://github.com/fthomas/scala-steward :)

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