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@dependabot dependabot bot commented on behalf of github Feb 1, 2026

Bumps kotlinx from 1.9.0 to 1.10.0.
Updates org.jetbrains.kotlinx:kotlinx-coroutines-core from 1.9.0 to 1.10.0

Release notes

Sourced from org.jetbrains.kotlinx:kotlinx-coroutines-core's releases.

1.10.0

  • Kotlin was updated to 2.1.0 (#4284).
  • Introduced Flow.any, Flow.all, and Flow.none (#4212). Thanks, @​CLOVIS-AI!
  • Reorganized kotlinx-coroutines-debug and kotlinx-coroutines-core code to avoid a split package between the two artifacts (#4247). Note that directly referencing kotlinx.coroutines.debug.AgentPremain must now be replaced with kotlinx.coroutines.debug.internal.AgentPremain. Thanks, @​sellmair!
  • No longer shade byte-buddy in kotlinx-coroutines-debug, reducing the artifact size and simplifying the build configuration of client code. Thanks, @​sellmair!
  • Fixed NullPointerException when using Java-deserialized kotlinx-coroutines-core exceptions (#4291). Thanks, @​AlexRiedler!
  • Properly report exceptions thrown by CoroutineDispatcher.dispatch instead of raising internal errors (#4091). Thanks, @​zuevmaxim!
  • Fixed a bug that delayed scheduling of a Dispatchers.Default or Dispatchers.IO task after a yield() in rare scenarios (#4248).
  • Fixed a bug that prevented the main() coroutine on Wasm/WASI from executing after a delay() call in some scenarios (#4239).
  • Fixed scheduling of runBlocking tasks on Kotlin/Native that arrive after the runBlocking block was exited (#4245).
  • Fixed some terminal Flow operators sometimes resuming without taking cancellation into account (#4254). Thanks, @​jxdabc!
  • Fixed a bug on the JVM that caused coroutine-bound ThreadLocal values not to get cleaned when using non-CoroutineDispatcher continuation interceptors (#4296).
  • Small tweaks, fixes, and documentation improvements.
Changelog

Sourced from org.jetbrains.kotlinx:kotlinx-coroutines-core's changelog.

Version 1.10.0

  • Kotlin was updated to 2.1.0 (#4284).
  • Introduced Flow.any, Flow.all, and Flow.none (#4212). Thanks, @​CLOVIS-AI!
  • Reorganized kotlinx-coroutines-debug and kotlinx-coroutines-core code to avoid a split package between the two artifacts (#4247). Note that directly referencing kotlinx.coroutines.debug.AgentPremain must now be replaced with kotlinx.coroutines.debug.internal.AgentPremain. Thanks, @​sellmair!
  • No longer shade byte-buddy in kotlinx-coroutines-debug, reducing the artifact size and simplifying the build configuration of client code. Thanks, @​sellmair!
  • Fixed NullPointerException when using Java-deserialized kotlinx-coroutines-core exceptions (#4291). Thanks, @​AlexRiedler!
  • Properly report exceptions thrown by CoroutineDispatcher.dispatch instead of raising internal errors (#4091). Thanks, @​zuevmaxim!
  • Fixed a bug that delayed scheduling of a Dispatchers.Default or Dispatchers.IO task after a yield() in rare scenarios (#4248).
  • Fixed a bug that prevented the main() coroutine on Wasm/WASI from executing after a delay() call in some scenarios (#4239).
  • Fixed scheduling of runBlocking tasks on Kotlin/Native that arrive after the runBlocking block was exited (#4245).
  • Fixed some terminal Flow operators sometimes resuming without taking cancellation into account (#4254). Thanks, @​jxdabc!
  • Fixed a bug on the JVM that caused coroutine-bound ThreadLocal values not to get cleaned when using non-CoroutineDispatcher continuation interceptors (#4296).
  • Small tweaks, fixes, and documentation improvements.
Commits
  • 33b18cd Version 1.10.0
  • d2f2717 Merge remote-tracking branch 'origin/master' into develop
  • bed3d29 Introduce Flow.any, Flow.all, Flow.none
  • ec83195 Disable timing-sensitive test on Windows
  • 8f83057 Do not initialize non-mocked Dispatchers.Main unnecessarily (#4301)
  • f8c0304 Properly cleanup thread locals for non-CoroutineDispatcher-intercepte… (#4303)
  • 2cafea4 Update Kotlin to 2.1.0 (#4284)
  • 9f6c80b Revisit all @​Transient usages in coroutines (#4294)
  • 6b73546 Fix Promise.await() never resuming if the promise rejected with a non-Throwab...
  • 0e1c157 Avoid using Java9+ APIs in JUnit5 CoroutineTimeout (#4279)
  • Additional commits viewable in compare view

Updates org.jetbrains.kotlinx:kotlinx-serialization-json from 1.9.0 to 1.10.0

Release notes

Sourced from org.jetbrains.kotlinx:kotlinx-serialization-json's releases.

1.10.0

This release is based on Kotlin 2.3.0 and contains all of the changes from 1.10.0-RC. The only additional change is a fix for ProtoBuf packing of Kotlin unsigned types (#3079). Big thanks to KosmX for contributing the fix.

For your convenience, the changelog for 1.10.0-RC is duplicated below:

Stabilization of APIs

kotlinx-serialization 1.10 and subsequent releases will be focused on stabilization of existing APIs. The following APIs and configuration options are no longer experimental because they're widely used without any known major issues:

  • Json configuration options: decodeEnumsCaseInsensitive, allowTrailingComma, allowComments, and prettyPrintIndent. (#3100)
  • @EncodeDefault annotation and its modes. (#3106)
  • JsonUnquotedLiteral constructor function (#2900)
  • JsonPrimitive constructor function overloads that accept unsigned types. (#3117)
  • JSON DSL functions on JsonElement with Nothing? overloads. (#3117)

Readiness for return value checker

Kotlin 2.3.0 introduces a new feature aimed at helping you to catch bugs related to the accidentally ignored return value of the function. kotlinx-serialization 1.10.0-RC code is fully marked for this feature, meaning that you can get warnings for unused function calls like Json.encodeToString(...). To get the warnings, the feature has to be enabled in your project as described here.

Polymorphism improvements

Polymorphic serialization received a couple of improvements in this release:

New subclassesOfSealed utility to automatically register sealed subclasses serializers in polymorphic modules (#2201).

Use it in your SerializersModule when configuring a polymorphic hierarchy which contains both abstract and sealed classes. For example, when root of your hierarchy is an interface, but most of your inheritors are sealed classes. The new function will register all known sealed subclasses for you, so you don’t need to list them one by one. This makes writing your SerializerModules much faster and simpler. Big thanks to Paul de Vrieze for contributing this feature.

Class discriminator conflict check rework (#3105).

If a payload already contains a property with the same name as the configured discriminator (for example, type), it is called a class discriminator conflict. To produce a correct output and allow more inputs to be deserialized at the same time, the following changes were made:

  • Conflicts introduced by JsonNamingStrategy transformations are now detected during serialization as well and will cause SerializationException. It also affects non-polymorphic classes.
  • Conflicts from ClassDisciminatorMode.ALL_JSON_OBJECTS and SerializersModuleBuilder.polymorphicDefaultSerializer are also detected.
  • It is allowed to deserialize such a conflicting key for both sealed and open polymorphic hierarchies. Previously, it was possible in the sealed hierarchies alone due to missing assertion. See #1664 for details.

General improvements

  • Add .serialName to MissingFieldException for clearer diagnostics. (#3114)
  • Generate unique Automatic-Module-Name entries for metadata JARs. (#3109)
  • Revised ProGuard rules and added R8 tests. (#3041)
  • CBOR: Improved error message when a byte string/array type mismatch is encountered. (#3052)

Bugfixes

... (truncated)

Changelog

Sourced from org.jetbrains.kotlinx:kotlinx-serialization-json's changelog.

1.10.0 / 2026-01-21

This release is based on Kotlin 2.3.0 and contains all of the changes from 1.10.0-RC. The only additional change is a fix for ProtoBuf packing of Kotlin unsigned types (#3079). Big thanks to KosmX for contributing the fix.

For your convenience, the changelog for 1.10.0-RC is duplicated below:

Stabilization of APIs

kotlinx-serialization 1.10 and subsequent releases will be focused on stabilization of existing APIs. The following APIs and configuration options are no longer experimental because they're widely used without any known major issues:

  • Json configuration options: decodeEnumsCaseInsensitive, allowTrailingComma, allowComments, and prettyPrintIndent. (#3100)
  • @EncodeDefault annotation and its modes. (#3106)
  • JsonUnquotedLiteral constructor function (#2900)
  • JsonPrimitive constructor function overloads that accept unsigned types. (#3117)
  • JSON DSL functions on JsonElement with Nothing? overloads. (#3117)

Readiness for return value checker

Kotlin 2.3.0 introduces a new feature aimed at helping you to catch bugs related to the accidentally ignored return value of the function. kotlinx-serialization 1.10.0-RC code is fully marked for this feature, meaning that you can get warnings for unused function calls like Json.encodeToString(...). To get the warnings, the feature has to be enabled in your project as described here.

Polymorphism improvements

Polymorphic serialization received a couple of improvements in this release:

New subclassesOfSealed utility to automatically register sealed subclasses serializers in polymorphic modules (#2201). Use it in your SerializersModule when configuring a polymorphic hierarchy which contains both abstract and sealed classes. For example, when root of your hierarchy is an interface, but most of your inheritors are sealed classes. The new function will register all known sealed subclasses for you, so you don’t need to list them one by one. This makes writing your SerializerModules much faster and simpler. Big thanks to Paul de Vrieze for contributing this feature.

Class discriminator conflict check rework (#3105). If a payload already contains a property with the same name as the configured discriminator (for example, type), it is called a class discriminator conflict. To produce a correct output and allow more inputs to be deserialized at the same time, the following changes were made:

  • Conflicts introduced by JsonNamingStrategy transformations are now detected during serialization as well and will cause SerializationException. It also affects non-polymorphic classes.
  • Conflicts from ClassDisciminatorMode.ALL_JSON_OBJECTS and SerializersModuleBuilder.polymorphicDefaultSerializer are also detected.
  • It is allowed to deserialize such a conflicting key for both sealed and open polymorphic hierarchies. Previously, it was possible in the sealed hierarchies alone due to missing assertion. See #1664 for details.

General improvements

... (truncated)

Commits
  • 370c4e3 Prepare 1.10.0 release (#3142)
  • eaa4b0b Merge remote-tracking branch 'origin/master' into dev
  • 0311f16 Fix ProtoBuf packing for kotlin unsigned types (#3079)
  • a19df8c Add a disclaimer to "Other community-supported formats" section and slightly ...
  • 2f8a874 Add JSON5 to community-supported formats (#3134)
  • 975af2c Actualize releasing process document
  • e8be81f Prepare 1.10.0-RC release
  • e334d1c [CBOR] Fix various bugs in the decoder implementation
  • d7ca108 Merge remote-tracking branch 'origin/master' into dev
  • a5a3c97 IR inliner: Enable intra-module mode for kotlinx.serialization (#3128)
  • Additional commits viewable in compare view

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Bumps `kotlinx` from 1.9.0 to 1.10.0.

Updates `org.jetbrains.kotlinx:kotlinx-coroutines-core` from 1.9.0 to 1.10.0
- [Release notes](https://github.com/Kotlin/kotlinx.coroutines/releases)
- [Changelog](https://github.com/Kotlin/kotlinx.coroutines/blob/master/CHANGES.md)
- [Commits](Kotlin/kotlinx.coroutines@1.9.0...1.10.0)

Updates `org.jetbrains.kotlinx:kotlinx-serialization-json` from 1.9.0 to 1.10.0
- [Release notes](https://github.com/Kotlin/kotlinx.serialization/releases)
- [Changelog](https://github.com/Kotlin/kotlinx.serialization/blob/master/CHANGELOG.md)
- [Commits](Kotlin/kotlinx.serialization@v1.9.0...v1.10.0)

---
updated-dependencies:
- dependency-name: org.jetbrains.kotlinx:kotlinx-coroutines-core
  dependency-version: 1.10.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.jetbrains.kotlinx:kotlinx-serialization-json
  dependency-version: 1.10.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot bot added dependencies Pull requests that update a dependency file java Pull requests that update java code labels Feb 1, 2026
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dependabot bot commented on behalf of github Feb 1, 2026

OK, I won't notify you again about this release, but will get in touch when a new version is available. You can also ignore all major, minor, or patch releases for a dependency by adding an ignore condition with the desired update_types to your config file.

If you change your mind, just re-open this PR and I'll resolve any conflicts on it.

@dependabot dependabot bot deleted the dependabot/gradle/dev/kotlinx-1.10.0 branch February 1, 2026 15:34
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