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chore(core-deps): update dependency org.jetbrains.kotlinx:kotlinx-serialization-json to v1.10.0#39

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chore(core-deps): update dependency org.jetbrains.kotlinx:kotlinx-serialization-json to v1.10.0#39
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renovate/minor-1.10-kotlinxserialization

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@renovate renovate Bot commented Jan 21, 2026

This PR contains the following updates:

Package Change Age Confidence
org.jetbrains.kotlinx:kotlinx-serialization-json 1.9.01.10.0 age confidence

Release Notes

Kotlin/kotlinx.serialization (org.jetbrains.kotlinx:kotlinx-serialization-json)

v1.10.0

==================

This is a release candidate for 1.10.0 based on Kotlin 2.3.0. It stabilizes a set of frequently used JSON APIs and builder options,
adopts a new 'Return Value Checker' Kotlin feature, and provides a lot of improvements and bug fixes.

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 inteface, 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

  • Fix the type in the BIGNUM_NEGATIVE tag name. (#​3090)
  • CBOR: Fix various bugs in the decoder implementation to be more strict and consistent with the specification.

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.


  • If you want to rebase/retry this PR, check this box

This PR was generated by Mend Renovate. View the repository job log.

@renovate renovate Bot enabled auto-merge (squash) January 21, 2026 16:11
@renovate renovate Bot force-pushed the renovate/minor-1.10-kotlinxserialization branch 8 times, most recently from 906b566 to 9307a3c Compare January 28, 2026 02:14
@renovate renovate Bot force-pushed the renovate/minor-1.10-kotlinxserialization branch 5 times, most recently from d9cd2fe to 24f81a6 Compare February 5, 2026 12:37
@renovate renovate Bot force-pushed the renovate/minor-1.10-kotlinxserialization branch 3 times, most recently from 0749472 to cb9b8df Compare February 10, 2026 05:44
@renovate renovate Bot force-pushed the renovate/minor-1.10-kotlinxserialization branch 5 times, most recently from ec8a6cf to 817e48a Compare February 16, 2026 18:02
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@renovate renovate Bot force-pushed the renovate/minor-1.10-kotlinxserialization branch 7 times, most recently from e40cb32 to 97b33fc Compare March 30, 2026 17:58
@renovate renovate Bot force-pushed the renovate/minor-1.10-kotlinxserialization branch 4 times, most recently from ee87acc to 75812e5 Compare April 10, 2026 14:13
@renovate renovate Bot force-pushed the renovate/minor-1.10-kotlinxserialization branch 3 times, most recently from f17e740 to 64c8a23 Compare April 18, 2026 05:41
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