Changelog
Welcome to the central Turn Off the Lights changelog. Here you can see what is new in every release of the free and Open-Source Turn Off the Lights software, for the browser extension, the desktop app, and the mobile app.
Free, Open-Source, and built in the open
Turn Off the Lights is released under the GPL license. Read the code, file an issue, or contribute a translation on GitHub.
Browser extension
Latest: v4.7 - 12 September 2026Choose your web browser to read the complete version history of the Turn Off the Lights browser extension.
Desktop app
Latest: v1.9.3.0 - 18 May 2026Turn Off the Lights for Desktop is the screen dimmer app for Windows and Mac. Read the release notes to see the changes and bug fixes in each version.
Mobile app
Turn Off the Lights is also available for iPhone, iPad, and Android. You can read the version history of the mobile app on its store listing page.
Do you have feedback or a question about a recent update? Turn Off the Lights offers free support on the support page.