v3.8.0

Improvements

• Optimize the Java Flow interop by @BalmungSan in #3130
• Cross-compile interop.flow by @BalmungSan in #3160
• Add String to Char and Char to String conversion by @susuro in #3218
• Refactor merge implementation by @zainab-ali in #3242
• Stream - Refactor Parjoins by @diesalbla in #3248
• Stream - BroadcastThrough - refactor code by @diesalbla in #3254
• Add variant of Stream.fromQueueUnterminated for Monad. by @kamilkloch in #3264
• Add Stream.filterNot by @kiendang in #3265

Bugfixes

• Fixing interruption behaviour by @Angel-O in #3183
• Suppress errors in socket read/write canceler by @armanbilge in #3238
• Fix TLSSocket addresses on JS by @armanbilge in #3256
• Fix TLS session access on JS by @armanbilge in #3257

Documentation

• Add fs2-aes to the ecosystem. by @jwojnowski in #3222
• Update Jack Henry by @ChristopherDavenport in #3239
• Fix skunk doc link in cover page by @ShapelessCat in #3241

Updates

• Update sbt-typelevel, sbt-typelevel-site to 0.4.21 by @typelevel-steward in #3221
• Update testng-7-5 to 3.2.16.0 by @typelevel-steward in #3223
• flake.lock: Update by @typelevel-steward in #3214
• Update nscplugin, sbt-scala-native, ... to 0.4.14 by @typelevel-steward in #3233
• Update scalafmt-core to 3.7.4 by @typelevel-steward in #3226
• Update sbt-jmh to 0.4.5 by @typelevel-steward in #3230
• Update jnr-unixsocket to 0.38.20 by @typelevel-steward in #3235
• Update sbt to 1.9.0 by @typelevel-steward in #3228
• Update scala3-library, ... to 3.3.0 by @typelevel-steward in #3227
• Update epollcat to 0.1.5 by @typelevel-steward in #3234
• Update scala-library to 2.13.11 by @typelevel-steward in #3237
• Update scala-library to 2.12.18 by @typelevel-steward in #3236
• Update scalafmt-core to 3.7.8 by @typelevel-steward in #3255
• Update cats-effect, cats-effect-laws, ... to 3.5.1 by @typelevel-steward in #3244
• Update sbt to 1.9.2 by @typelevel-steward in #3253
• Update sbt-scalajs, scalajs-compiler, ... to 1.13.2 by @typelevel-steward in #3243
• Update sbt-scala-native-crossproject to 1.3.2 by @typelevel-steward in #3252
• Update jimfs to 1.3.0 by @typelevel-steward in #3250
• Update scalafmt-core to 3.7.10 by @typelevel-steward in #3259
• Update sbt-typelevel, sbt-typelevel-site to 0.4.22 by @typelevel-steward in #3232
• flake.lock: Update by @typelevel-steward in #3225
• Update sbt to 1.9.3 by @typelevel-steward in #3262
• Update scalafmt-core to 3.7.11 by @typelevel-steward in #3263

New Contributors

• @jwojnowski made their first contribution in #3222
• @ShapelessCat made their first contribution in #3241
• @kiendang made their first contribution in #3265

Full Changelog: v3.7.0...v3.7.1

v3.7.0

⚠️ Important note

• This release updates cats-effect to 3.5.0, which includes an important change to the behavior of the Async#async and IO.async methods. Please check the cats-effect release notes for v3.5.0 for more details, in case the behavior change impacts your codebase.

New Features

• Added writeUtf8 and writeUtf8Lines by @TonioGela in #3167
• Introduce Process API by @armanbilge in #3149
• Implicit instances for IO only by @armanbilge in #3179
• Offer implicits for any LiftIO by @armanbilge in #3192

Improvements

• Tweak Scope#close for a bit better performance by @danicheg in #3137
• Microptimize Signal#getAndDiscreteUpdates by @armanbilge in #3144
• Optimize Chunk#to{Byte,Char}Buffer, add note about mutability by @armanbilge in #3147
• Fix async_ usages for new uncancelable semantic by @armanbilge in #3063
• Refactor JVM unixsockets by @armanbilge in #3165
• Stream - reimplement without Pull.loop by @diesalbla in #3154
• Relax status check for google TLS tests by @armanbilge in #3177
• Chunk - Add optimised traverse_ for StackSafeMonad. by @diesalbla in #3191
• Slower sleep+timeout for timed doctest by @armanbilge in #3188
• Stream - microptimise EvalTap by @diesalbla in #3196
• Specialize Chunk#toArraySlice by @armanbilge in #3198
• Replace recursive Pull with foreach in writeWritable by @armanbilge in #3208

Bugfixes

• Fix interleaveOrdered effectful cases [Fixes #3156] by @ivan-klass in #3161
• Fix NPE for socket writes on Node.js 19 by @armanbilge in #3178
• More null checks in JS streams by @armanbilge in #3184
• fixing assertion in parEval test by @Angel-O in #3185
• Fix unintended unchunking by adding override map by @yyy1000 in #3189
• Fix Signal#ap bug in getAndDiscreteUpdates by @armanbilge in #3206

Build / Site / Docs

• Tweak some scaladocs by @danicheg in #3139
• Don't test TLSv1, v1.1 on Node.js, fix JVM TLS error test by @armanbilge in #3145
• Added Lepus to ecosystem by @hnaderi in #3163
• Add macOS to CI matrix by @armanbilge in #3180
• Increase timeouts by @armanbilge in #3181
• Use Discord typelevel channel instead of gitter in Guide page by @lenguyenthanh in #3209
• comment typo fix by @nikita12100 in #3216

Updates

• Update epollcat to 0.1.4 by @typelevel-steward in #3146
• Update scalafmt-core to 3.7.2 by @typelevel-steward in #3150
• Update scodec-bits to 1.1.37 by @typelevel-steward in #3152
• Update sbt-scala-native-config-brew-github-actions to 0.1.3 by @typelevel-steward in #3158
• Update to ip4s 3.3.0 by @mpilquist in #3172
• Update CONTRIBUTING.md for Native build by @mpilquist in #3176
• Update sbt-scalajs, scalajs-compiler, ... to 1.13.1 by @typelevel-steward in #3203
• Update sbt-scala-native-crossproject to 1.3.1 by @typelevel-steward in #3211
• flake.lock: Update by @typelevel-steward in #3204
• Update sbt-typelevel, sbt-typelevel-site to 0.4.20 by @typelevel-steward in #3213
• Update cats-effect, cats-effect-laws, ... to 3.5.0 by @typelevel-steward in #3219
• Update sbt to 1.8.3 by @typelevel-steward in #3220

New Contributors

• @hnaderi made their first contribution in #3163
• @TonioGela made their first contribution in #3167
• @Angel-O made their first contribution in #3185
• @yyy1000 made their first contribution in #3189
• @lenguyenthanh made their first contribution in #3209
• @nikita12100 made their first contribution in #3216

Full Changelog: v3.6.1...v3.7.0

v3.7.0-RC5

Improvements

• Stream - microptimise EvalTap by @diesalbla in #3196
• Fix unintended unchunking by adding override map by @yyy1000 in #3189
• Specialize Chunk#toArraySlice by @armanbilge in #3198
• Replace recursive Pull with foreach in writeWritable by @armanbilge in #3208

Build / Site / Docs

• Use Discord typelevel channel instead of gitter in Guide page by @lenguyenthanh in #3209
• comment typo fix by @nikita12100 in #3216

Updates

• Update sbt-scala-native-crossproject to 1.3.0 by @typelevel-steward in #3201
• flake.lock: Update by @typelevel-steward in #3193
• Update sbt-scalajs, scalajs-compiler, ... to 1.13.1 by @typelevel-steward in #3203
• Update sbt-typelevel, sbt-typelevel-site to 0.4.20 by @typelevel-steward in #3213
• Update cats-effect, cats-effect-laws, ... to 3.5.0-RC5 by @typelevel-steward in #3217
• Update sbt-scala-native-crossproject to 1.3.1 by @typelevel-steward in #3211
• Update cats-effect, cats-effect-laws, ... to 3.5.0-RC4 by @typelevel-steward in #3212
• flake.lock: Update by @typelevel-steward in #3204

New Contributors

• @yyy1000 made their first contribution in #3189
• @lenguyenthanh made their first contribution in #3209
• @nikita12100 made their first contribution in #3216

Full Changelog: v3.7.0-RC4...v3.7.0-RC5

v3.7.0-RC4

What's Changed

• Offer implicits for any LiftIO by @armanbilge in #3192
• Chunk - Add optimised traverse_ for StackSafeMonad. by @diesalbla in #3191
• Slower sleep+timeout for timed doctest by @armanbilge in #3188

Full Changelog: v3.7.0-RC3...v3.7.0-RC4

v3.7.0-RC3

New Features

• Introduce Process API by @armanbilge in #3149
• Added writeUtf8 and writeUtf8Lines by @TonioGela in #3167
• Implicit instances for IO only by @armanbilge in #3179

Bugfixes

• Fix interleaveOrdered effectful cases [Fixes #3156] by @ivan-klass in #3161
• Fix NPE for socket writes on Node.js 19 by @armanbilge in #3178

Build / Docs / Refactoring

• Added Lepus to ecosystem by @hnaderi in #3163
• Refactor JVM unixsockets by @armanbilge in #3165
• Stream - reimplement without Pull.loop by @diesalbla in #3154
• Relax status check for google TLS tests by @armanbilge in #3177
• Update CONTRIBUTING.md for Native build by @mpilquist in #3176
• Add macOS to CI matrix by @armanbilge in #3180
• Increase timeouts by @armanbilge in #3181
• More null checks in JS streams by @armanbilge in #3184
• fixing assertion in parEval test by @Angel-O in #3185

Updates

• Update scodec-bits to 1.1.37 by @typelevel-steward in #3152
• flake.lock: Update by @typelevel-steward in #3155
• Update sbt-typelevel, sbt-typelevel-site to 0.4.19 by @typelevel-steward in #3159
• Update sbt-scala-native-config-brew-github-actions to 0.1.3 by @typelevel-steward in #3158
• flake.lock: Update by @typelevel-steward in #3164
• flake.lock: Update by @typelevel-steward in #3168
• Update to ip4s 3.3.0 by @mpilquist in #3172

New Contributors

• @hnaderi made their first contribution in #3163
• @TonioGela made their first contribution in #3167
• @Angel-O made their first contribution in #3185

Full Changelog: v3.7.0-RC2...v3.7.0-RC3

v3.7.0-RC2

This is the second release candidate of FS2 v3.7.0. It is built against Cats Effect v3.5.0-RC3.

Full Changelog: v3.7.0-RC1...v3.7.0-RC2

v3.7.0-RC1

This is the first release candidate of FS2 v3.7.0. It is built against Cats Effect v3.5.0-RC2 and includes the related changes and fixes from #3142.

Full Changelog: v3.6.1...v3.7.0-RC1

v3.6.1

Bugfixes

• Fix ByteBuffer linking in Chunk#toByteVector by @armanbilge in #3136

Docs

• Highlight Scala 3.2 usage in docs by @danicheg in #3134

Build

• Fix build by @danicheg in #3135

Full Changelog: v3.6.0...v3.6.1

3.6.0

Improvements

• Add .interleaveOrdered to combine sorted streams (i.e. "merge-sort") by @ivan-klass in #3110
• Add limit combinator to Stream by @sgjbryan in #3113
• Add Signal#changes by @armanbilge in #3126
• Add interop with Java Flow types by @BalmungSan in #3102
• Add Signal#getAndDiscreteUpdates by @armanbilge in #3125

Bugfixes

• Correctly handle TLS empty writes in S2nConnection by @armanbilge in #3115
• Mask getBasicFileAttributes errors in Files[F].walk by @fthomas in #3120
• Fix hold1 by @armanbilge in #3112
• Use UndefOr for Node.js file Flags not supported on windows by @armanbilge in #3127

Build

• Mark flaky tests by @mpilquist in #3132

Updates

• Update scalafmt-core to 3.7.1 by @typelevel-steward in #3114
• Update nscplugin, sbt-scala-native, ... to 0.4.10 by @typelevel-steward in #3116
• Update sbt-mdoc to 2.3.7 by @typelevel-steward in #3117
• Update cats-effect, cats-effect-laws, ... to 3.4.6 by @typelevel-steward in #3122
• Update sbt-jmh to 0.4.4 by @typelevel-steward in #3121
• Update scala3-library, ... to 3.2.2 by @typelevel-steward in #3119
• Update sbt-scalajs, scalajs-compiler, ... to 1.13.0 by @typelevel-steward in #3129
• Update scodec-bits to 1.1.35 by @typelevel-steward in #3128
• Update to scodec-core 2.2.1 by @mpilquist in #3131

New Contributors

• @ivan-klass made their first contribution in #3110
• @sgjbryan made their first contribution in #3113

Full Changelog: v3.5.0...v3.6.0

v3.5.0

Improvements

• Cross hash for JS and Native by @armanbilge in #3070
• Cross platform CompressionSuite for Native by @armanbilge in #3069
• Add Files.createLink for hard links by @skennedy in #3066
• Simplify creating Path in custom FileSystem by @matkob in #3073
• Return empty stream if topic is closed by @Jasper-M in #3085
• Add s.compile.onlyOrError by @ybasket in #3088
• Run fs2.io.stdin on dedicated single-threaded pool by @armanbilge in #3093
• Improve StreamUnicastPublisher API by @BalmungSan in #3107

Bug Fixes

• Fix Node.js readRange bug by @armanbilge in #3062
• Guarantee blinding on s2n shutdown error by @armanbilge in #3079
• Fix last-update tracking in SignallingMapRef by @armanbilge in #3080

Documentation

• Docs/microsite: Added/cleaned imports in the Single Publisher / Mutiple Subscriber example by @codesurf42 in #3064
• remove outdated scaladoc comment by @Jasper-M in #3084
• Update doc for Stream exists method by @b-vennes in #3092

Build & Refactoring

• Add redirect for API docs by @armanbilge in #3078
• Fix native deps in build by @armanbilge in #3082
• Increase timeout for Native compression suite by @armanbilge in #3090
• rechunkRandomlyWithSeed - Microoptimise implementation. by @diesalbla in #3095
• Replace "ToPull" operations with "Pull.uncons" by @diesalbla in #3098

Updates

• Update nscplugin, sbt-scala-native, ... to 0.4.9 by @typelevel-steward in #3065
• Update cats-effect, cats-effect-laws, ... to 3.4.2 by @typelevel-steward in #3067
• Update epollcat to 0.1.3 by @typelevel-steward in #3074
• Update cats-effect, cats-effect-laws, ... to 3.4.3 by @typelevel-steward in #3089
• Update cats-effect, cats-effect-laws, ... to 3.4.4 by @typelevel-steward in #3094
• Update sbt to 1.8.1 by @typelevel-steward in #3097
• Update sbt to 1.8.2 by @typelevel-steward in #3099
• Update sbt-typelevel, sbt-typelevel-site to 0.4.18 by @typelevel-steward in #3101
• Update testng-7-5 to 3.2.15.0 by @typelevel-steward in #3100
• Update cats-effect, cats-effect-laws, ... to 3.4.5 by @typelevel-steward in #3108

New Contributors

• @codesurf42 made their first contribution in #3064
• @skennedy made their first contribution in #3066
• @matkob made their first contribution in #3073
• @Jasper-M made their first contribution in #3085

Full Changelog: v3.4.0...v3.5.0