This release provides several new features, including a major Cbor configuration rework.
It uses Kotlin 2.0.20 by default.
Cbor feature set for COSE compliance
This change brings a lot of features to the CBOR format, namely:
Serial Labels — see @CborLabel annotation and preferCborLabelsOverNames flag.
Tagging of keys and values — see encode*Tags and verify*Tags set of flags
Definite length encoding — see useDefiniteLengthEncoding. This flag affects object encoding, since decoding of arrays with definite lenghts is automatically supported.
Option to globally prefer major type 2 for byte array encoding — see alwaysUseByteString flag.
Since there are quite a lot of flags now, they were restructured to a separate CborConfiguration class, similarly to JsonConfiguration.
It is possible to retrieve this configuration from CborEncoder/CborDecoder interfaces in your custom serializers (see their documentation for details).
All of these features make it possible to serialize and parse COSE-compliant CBOR, for example, ISO/IEC 18013-5:2021-compliant mobile driving license data.
In case you want to make use of them, there is a predefined Cbor.CoseCompliant instance.
However, some canonicalization steps (such as sorting keys) still need to be performed manually.
One of the most requested features for serialization plugin was to continue to generate a serializer even if a custom one is specified for the class.
It allows using a plugin-generated serializer in a fallback or delegate strategy, accessing type structure via descriptor, using default serialization behavior in inheritors that do not use custom serializers.
Starting with this release, you can specify the @KeepGeneratedSerializer annotation on the class declaration to instruct the plugin to continue generating the serializer.
In this case, the serializer will be accessible using the .generatedSerializer() function on the class's companion object.
This annotation is currently experimental. Kotlin 2.0.20 or higher is required for this feature to work.
Kotlin 2.0.20 added a common class to represent UUIDs in a multiplatform code.
kotlinx.serialization 1.7.2 provides a corresponding Uuid.serializer() for it, making it possible to use it in @Serializable classes.
Note that for now, serializer should be provided manually with @Contextual annotation.
Plugin will be able to automatically insert Uuid serializer in Kotlin 2.1.0.
This PR contains the following updates:
| Package | Type | Update | Change |
|---|---|---|---|
| [org.jetbrains.kotlinx:kotlinx-serialization-json](https://github.com/Kotlin/kotlinx.serialization) | dependencies | patch | `1.7.1` -> `1.7.2` |
---
### Release Notes
<details>
<summary>Kotlin/kotlinx.serialization (org.jetbrains.kotlinx:kotlinx-serialization-json)</summary>
### [`v1.7.2`](https://github.com/Kotlin/kotlinx.serialization/blob/HEAD/CHANGELOG.md#172--2024-08-28)
\==================
This release provides several new features, including a major Cbor configuration rework.
It uses Kotlin 2.0.20 by default.
#### Cbor feature set for COSE compliance
This change brings a lot of features to the CBOR format, namely:
- Serial Labels — see `@CborLabel` annotation and `preferCborLabelsOverNames` flag.
- Tagging of keys and values — see `encode*Tags` and `verify*Tags` set of flags
- Definite length encoding — see `useDefiniteLengthEncoding`. This flag affects object encoding, since decoding of arrays with definite lenghts is automatically supported.
- Option to globally prefer major type 2 for byte array encoding — see `alwaysUseByteString` flag.
Since there are quite a lot of flags now, they were restructured to a separate `CborConfiguration` class, similarly to `JsonConfiguration`.
It is possible to retrieve this configuration from `CborEncoder/CborDecoder` interfaces in your custom serializers (see their documentation for details).
All of these features make it possible to serialize and parse [COSE-compliant CBOR](https://datatracker.ietf.org/doc/html/rfc8152), for example, ISO/IEC 18013-5:2021-compliant mobile driving license data.
In case you want to make use of them, there is a predefined `Cbor.CoseCompliant` instance.
However, some canonicalization steps (such as sorting keys) still need to be performed manually.
This functionality [was contributed](https://github.com/Kotlin/kotlinx.serialization/pull/2412) to us by [Bernd Prünster](https://github.com/JesusMcCloud).
#### Keeping generated serializers
One of the most requested features for serialization plugin was to continue to generate a serializer even if a custom one is specified for the class.
It allows using a plugin-generated serializer in a fallback or delegate strategy, accessing type structure via descriptor, using default serialization behavior in inheritors that do not use custom serializers.
Starting with this release, you can specify the `@KeepGeneratedSerializer` annotation on the class declaration to instruct the plugin to continue generating the serializer.
In this case, the serializer will be accessible using the `.generatedSerializer()` function on the class's companion object.
> This annotation is currently experimental. Kotlin 2.0.20 or higher is required for this feature to work.
You can check out the examples in [the documentation](docs/serializers.md#simultaneous-use-of-plugin-generated-and-custom-serializers) and in the PRs: [#​2758](https://github.com/Kotlin/kotlinx.serialization/pull/2758), [#​2669](https://github.com/Kotlin/kotlinx.serialization/pull/2669).
#### Serializer for kotlin.uuid.Uuid
Kotlin 2.0.20 [added](https://kotlinlang.org/docs/whatsnew2020.html#support-for-uuids-in-the-common-kotlin-standard-library) a common class to represent UUIDs in a multiplatform code.
kotlinx.serialization 1.7.2 provides a corresponding `Uuid.serializer()` for it, making it possible to use it in `@Serializable` classes.
Note that for now, serializer should be provided manually with [`@Contextual` annotation](https://github.com/Kotlin/kotlinx.serialization/blob/master/docs/serializers.md#contextual-serialization).
Plugin will be able to automatically insert `Uuid` serializer in Kotlin 2.1.0.
See more details in the [corresponding PR](https://github.com/Kotlin/kotlinx.serialization/pull/2744).
#### Other bugfixes and improvements
- Prohibited using of zero and negative field numbers in ProtoNumber ([#​2766](https://github.com/Kotlin/kotlinx.serialization/issues/2766))
- Improve readability of protobuf decoding exception messages ([#​2768](https://github.com/Kotlin/kotlinx.serialization/issues/2768)) (thanks to [xiaozhikang0916](https://github.com/xiaozhikang0916))
- docs(serializers): Fix grammatical errors ([#​2779](https://github.com/Kotlin/kotlinx.serialization/issues/2779)) (thanks to [jamhour1g](https://github.com/jamhour1g))
- Fixed VerifyError after ProGuard optimization ([#​2728](https://github.com/Kotlin/kotlinx.serialization/issues/2728))
- Add wasm-wasi target to Okio integration ([#​2727](https://github.com/Kotlin/kotlinx.serialization/issues/2727))
</details>
---
### Configuration
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♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.
🔕 **Ignore**: Close this PR and you won't be reminded about this update again.
---
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---
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This PR contains the following updates:
1.7.1->1.7.2Release Notes
Kotlin/kotlinx.serialization (org.jetbrains.kotlinx:kotlinx-serialization-json)
v1.7.2==================
This release provides several new features, including a major Cbor configuration rework.
It uses Kotlin 2.0.20 by default.
Cbor feature set for COSE compliance
This change brings a lot of features to the CBOR format, namely:
@CborLabelannotation andpreferCborLabelsOverNamesflag.encode*Tagsandverify*Tagsset of flagsuseDefiniteLengthEncoding. This flag affects object encoding, since decoding of arrays with definite lenghts is automatically supported.alwaysUseByteStringflag.Since there are quite a lot of flags now, they were restructured to a separate
CborConfigurationclass, similarly toJsonConfiguration.It is possible to retrieve this configuration from
CborEncoder/CborDecoderinterfaces in your custom serializers (see their documentation for details).All of these features make it possible to serialize and parse COSE-compliant CBOR, for example, ISO/IEC 18013-5:2021-compliant mobile driving license data.
In case you want to make use of them, there is a predefined
Cbor.CoseCompliantinstance.However, some canonicalization steps (such as sorting keys) still need to be performed manually.
This functionality was contributed to us by Bernd Prünster.
Keeping generated serializers
One of the most requested features for serialization plugin was to continue to generate a serializer even if a custom one is specified for the class.
It allows using a plugin-generated serializer in a fallback or delegate strategy, accessing type structure via descriptor, using default serialization behavior in inheritors that do not use custom serializers.
Starting with this release, you can specify the
@KeepGeneratedSerializerannotation on the class declaration to instruct the plugin to continue generating the serializer.In this case, the serializer will be accessible using the
.generatedSerializer()function on the class's companion object.You can check out the examples in the documentation and in the PRs: #2758, #2669.
Serializer for kotlin.uuid.Uuid
Kotlin 2.0.20 added a common class to represent UUIDs in a multiplatform code.
kotlinx.serialization 1.7.2 provides a corresponding
Uuid.serializer()for it, making it possible to use it in@Serializableclasses.Note that for now, serializer should be provided manually with
@Contextualannotation.Plugin will be able to automatically insert
Uuidserializer in Kotlin 2.1.0.See more details in the corresponding PR.
Other bugfixes and improvements
Configuration
📅 Schedule: Branch creation - "every weekday,every weekend" (UTC), Automerge - "every weekend" (UTC).
🚦 Automerge: Enabled.
♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.
🔕 Ignore: Close this PR and you won't be reminded about this update again.
This PR has been generated by Renovate Bot.
68a318c0d5toc04cb4610ac04cb4610ato00e3bb96d1