# Compose Multiplatform 1.12.0 Released

DevFeed: [Compose Multiplatform 1.12.0 Released](<https://devfeed.tech/articles/compose-multiplatform-1-12-0-released-8788.md>)

Original publisher: [Read original article](<https://blog.jetbrains.com/kotlin/2026/08/compose-multiplatform-1-12-0/>)

Author: Elvira Mustafina

Published: 2026-08-26T13:28:41Z

Content type: release

Language: en

Sources: [Kotlin : A concise multiplatform language developed by JetBrains | The JetBrains Blog](<https://devfeed.tech/sources/kotlin-a-concise-multiplatform-language-developed-by-jetbrains-the-jetbrains-blog.md>)

Topics: [multiplatform](<https://devfeed.tech/topics/multiplatform.md>), [compose-hot-reload](<https://devfeed.tech/topics/compose-hot-reload.md>), [MCP Server](<https://devfeed.tech/topics/mcp-server.md>), [Model Context Protocol](<https://devfeed.tech/topics/model-context-protocol.md>), [releases](<https://devfeed.tech/topics/releases.md>), [Web](<https://devfeed.tech/topics/web.md>), [compose-for-desktop](<https://devfeed.tech/topics/compose-for-desktop.md>), [Font](<https://devfeed.tech/topics/font.md>)

Tags: [compose-for-desktop](<https://devfeed.tech/tags/compose-for-desktop.md>), [compose-for-web](<https://devfeed.tech/tags/compose-for-web.md>), [compose-hot-reload](<https://devfeed.tech/tags/compose-hot-reload.md>), [compose-multiplatform](<https://devfeed.tech/tags/compose-multiplatform.md>), [fonts](<https://devfeed.tech/tags/fonts.md>), [mcp](<https://devfeed.tech/tags/mcp.md>), [mcp-server](<https://devfeed.tech/tags/mcp-server.md>), [model-context-protocol](<https://devfeed.tech/tags/model-context-protocol.md>), [multiplatform](<https://devfeed.tech/tags/multiplatform.md>), [releases](<https://devfeed.tech/tags/releases.md>), [ui](<https://devfeed.tech/tags/ui.md>), [web](<https://devfeed.tech/tags/web.md>)

## AI overview

Compose Multiplatform 1.12.0 introduces an experimental MCP server for Compose Hot Reload, enabling AI coding agents to reload applications, inspect rendered UI and semantic trees, simulate interactions, and read logs. The release also adds automatic web font fallback and a more flexible desktop window and dialog API.

## Source excerpt

Compose Multiplatform 1.12.0 is out! This version brings new tooling for AI assistants, improvements to web resource management, and finer control over desktop window states. Here are the highlights of this release: For a complete overview of the changes, check out What's new in Compose Multiplatform 1.12.0 or the release notes on GitHub. Get Started [...]