# Apollo Kotlin 4 is now available

DevFeed: [Apollo Kotlin 4 is now available](<https://devfeed.tech/articles/apollo-kotlin-4-is-now-available-23200.md>)

Original publisher: [Read original article](<https://www.apollographql.com/blog/apollo-kotlin-4-is-now-available>)

Author: Martin Bonnin

Published: 2024-08-02T07:52:00Z

Content type: release

Language: en

Sources: [Apollo Blog](<https://devfeed.tech/sources/apollo-blog.md>)

Topics: [Kotlin](<https://devfeed.tech/topics/kotlin.md>), [GraphQL](<https://devfeed.tech/topics/graphql.md>), [multiplatform](<https://devfeed.tech/topics/multiplatform.md>), [ide](<https://devfeed.tech/topics/ide.md>), [Refactoring](<https://devfeed.tech/topics/refactoring.md>), [Tooling](<https://devfeed.tech/topics/tooling.md>), [IntelliJ IDEA](<https://devfeed.tech/topics/intellij-idea.md>), [Error Handling](<https://devfeed.tech/topics/error-handling.md>), [Parser](<https://devfeed.tech/topics/parser.md>), [API](<https://devfeed.tech/topics/api.md>)

Tags: [announcement](<https://devfeed.tech/tags/announcement.md>), [apis](<https://devfeed.tech/tags/apis.md>), [error-handling](<https://devfeed.tech/tags/error-handling.md>), [graphql](<https://devfeed.tech/tags/graphql.md>), [ide](<https://devfeed.tech/tags/ide.md>), [intellij](<https://devfeed.tech/tags/intellij.md>), [kotlin](<https://devfeed.tech/tags/kotlin.md>), [multiplatform](<https://devfeed.tech/tags/multiplatform.md>), [parsing](<https://devfeed.tech/tags/parsing.md>), [refactoring](<https://devfeed.tech/tags/refactoring.md>), [tooling](<https://devfeed.tech/tags/tooling.md>), [websocket](<https://devfeed.tech/tags/websocket.md>)

## AI overview

Apollo Kotlin 4 is a new major release that adds tooling and API improvements, including a new IDE plugin, improved error handling APIs, WasmJs support, a multiplatform GraphQL parser, and a preview of semantic nullability. The article also points readers to migration guidance from Apollo Kotlin 3.

## Source excerpt

Apollo Kotlin 4 is the new major version of Apollo Kotlin. It builds on top of Apollo Kotlin 3 and brings a number of tooling and API improvements: - A brand new IDE plugin for all your refactoring needs. - Improvement to the error handling APIs, making it easier to handle errors in a single place. - WasmJs support. - A multiplatform GraphQL parser. - A preview of semantic nullability.