Update Apollo GraphQL packages to v5

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
com.apollographql.apollo	4.4.3 → 5.0.0
com.apollographql.apollo:apollo-runtime	4.4.3 → 5.0.0
com.apollographql.apollo:apollo-normalized-cache-api	4.4.3 → 5.0.0
com.apollographql.apollo:apollo-normalized-cache	4.4.3 → 5.0.0
com.apollographql.apollo:apollo-http-cache	4.4.3 → 5.0.0
com.apollographql.apollo:apollo-api	4.4.3 → 5.0.0

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Release Notes

apollographql/apollo-kotlin (com.apollographql.apollo)

v5.0.0

2026-05-12

Apollo Kotlin 5 is a major release focused on:

• GraphQL golden path: incremental delivery (@defer/@stream), fragment arguments, service capabilities, onError, nullability, field extensions, @oneOf, schema coordinates, ...
• Modernized infrastructure: KGP 2.3.10, Gradle 9, AGP 9, classloader isolation, isolated projects support.

In addition, Apollo Kotlin 5 stabilizes the new WebSocket engine, adds new KMP targets, a new HTTP cache strategy on top of OkHttp, new compiler plugin APIs, and more.

Previous DeprecationLevel.WARNING symbols are now DeprecationLevel.ERROR.
Previous DeprecationLevel.ERROR symbols are removed.

Apollo Kotlin 5 is an incremental release. Most of the APIs are compatible with Apollo Kotlin 4. The main breaking changes are in experimental Data Builders and Apollo Compiler Plugins.

For an upgrade walkthrough, see the v5 migration guide.

🚀 GraphQL golden path

Apollo Kotlin 5 implements the latest version of the GraphQL specification draft as well as support for many experimental RFCs.

Those RFCs solve long-standing pain points in GraphQL, such as semantic nullability or fragment arguments.

• Add incremental/v0.2 format for @defer and @stream (#​6331).
• Add fragment arguments (#​6882).
• Add support for onError (#​6860).
• Add support for service capabilities (#​6858).
• Add field extensions (#​6856, #​6867).
• Add schema coordinates (#​6560).
• Add @ignore support (#​6900).
• Add support descriptions on variable definitions (#​6699).
• Add support for directives on directive definitions (#​6803).
• Speed up field merging validation (#​6875).
• Validate @oneOf input objects when they create cycles (#​6894).

🧰 Modernized infrastructure

The Gradle plugin now uses Gratatouille classloader isolation, instead of GR8 relocation previously (#​6524). This makes the plugin more robust and easier to debug.

Apollo Kotlin 5 uses KGP 2.3, with 2.1 compatibility for JVM and Android consumers. Native and JS consumers must compile with KGP 2.3+.

• Switch the Gradle plugin to Gratatouille (#​6524).
• Simplify task wiring and propagate task dependencies in multi-module setups (#​6562, #​6879).
• Avoid eager configuration of Gradle objects (#​6820).
• Add linuxX64 (#​6493), linuxArm64 (#​6929) and watchosDeviceArm64 (#​6791) targets.
• Bump to 2.3.10 (#​6873). Native/JS/Wasm consumers must compile with Kotlin 2.3.
• Update to Gradle 9 (#​6548, #​6652, #​6769, #​6862, #​6887).
• Bump Ktor to 3.1.2 (#​6465).
• AGP9 support, including com.android.kotlin.multiplatform.library (#​6703, #​6707, #​6736).
• Add a default Accept header to introspection queries (#​6616).

🚗 Runtime

Apollo Kotlin 5 stabilizes the new WebSocket API, making it easier to manage the lifecycle of the WebSocket and retry subscriptions.

• Promote experimental WebSockets to stable; the previous implementation (under com.apollographql.apollo.ws) is deprecated (#​6774).
• Add RetryStrategy (#​6764).
• Add ApolloRequest.Builder.url(String) (#​6758).
• Add ApolloCall.extensions() (#​6834).
• Add ApolloCall.ignoreUnknownKeys and ApolloClient.Builder.ignoreUnknownKeys (#​6473).
• Restore JsonReader state if a field throws in-flight (#​6775).
• Make Optional.Absent a data object (#​6686); use if/else to avoid Int boxing (#​6688).

🗄️ Normalized cache

The normalized cache artifacts are also deprecated and moved to a separate repository apollo-kotlin-normalized-cache (#​6888).

This new cache supports:

• TTL
• Garbage collection
• Pagination
• Partial results

Note that the SQLite storage format is not backward-compatible. See the dedicated migration guide for more details.

🌐 HTTP cache

The legacy apollo-http-cache artifact is deprecated.

Instead, Apollo Kotlin now uses OkHttp's cacheUrlOverride() and supports POST caching via enablePostCaching (#​6739).

See the migration guide for more details.

🛠️ Compiler & AST

• Add schema-transform API (#​6450).
• Allow registering multiple compiler plugins; introduce Service.pluginsArguments (#​6523, #​6622).
• Add Service.issueSeverity() to control the severity of compiler issues per type (#​6731).
• Introduce Service.generateApolloEnums to generate enums as a sealed hierarchy with a __Known interface (#​6611).
• Allow generating Data Builders outside the main source set (#​6485).
• Add generateApolloProjectIdeModel task (#​6666).
• Add a specific issue type for fragment cycles (#​6759).
• Move validation tests to apollo-ast (#​6868).
• Reorganize parser, introspection, and merger tests (#​6857).
• Warn on unused fragments (#​6601).
• Pretty-print the operation manifest (#​6720).
• Allow empty deprecation messages (#​6729, #​6779).
• Add key fields of possible types of interfaces and fragments (#​6515).
• Add key fields to selections even when they're already selected with an alias (#​6503).
• Transform GraphQL documents before running validation (#​6511).
• Call DocumentTransform.transform after processing (#​6510).
• Rename @link Purpose and Import definitions (#​6838).
• Escape names in equals(), hashCode(), copy(), and toString() (#​6843).
• Escape /* and */ in KDocs (#​6805).
• Ignore scalars/enums in checkCapitalizedFields (#​6502).
• Fix IndexOutOfBoundsException in keyFields validation (#​6748).
• Do not check already-checked fragments in checkCapitalizedFields (#​6718).

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