Slint

Slint 1.18.1 is a patch release that fixes several bugs and crashes. For a complete list of changes, check out the [ChangeLog](https://github.com/slint-ui/slint/blob/master/CHANGELOG.md#1181---2026-09-21).

Upgrading to Slint 1.18.1:

* Rust: Run `cargo update`.
* C++: If you're using `FetchContent` with CMake, update the GIT_TAG entry in CMakeLists.txt to `v1.18.1` or `release/1.18` for automatic tracking of 1.18.x releases.
* Node.js: Run `npm update slint-ui` to bring your `package.json` up-to-date.
* ESP-IDF developers: Run `idf.py update-dependencies` to bring your idf_component.yml up-to-date.
* Python: Run `uv lock --upgrade-package slint` to update your [uv](https://docs.astral.sh/uv/) lock file to the latest version.

# Assets

## C++ SDK

For C++ developers, this release contains the following pre-packed builds of Slint:

| Desktop Operating System | Compiler | Architecture | Download |
|--------------------------|----------|--------------|----------|
| Linux | gcc | x86-64 | [Slint-cpp-1.18.1-Linux-x86_64.tar.gz](https://github.com/slint-ui/slint/releases/download/v1.18.1/Slint-cpp-1.18.1-Linux-x86_64.tar.gz)