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Version Released Security Support Release
6.1 2 months and 3 weeks ago
(06 May 2021)
Ends in 9 months
(06 May 2022)
6.1.1
6.0 7 months ago
(08 Dec 2020)
Ends in 4 months and 1 week
(08 Dec 2021)
6.0.4
5.15 (LTS) 1 year and 2 months ago
(26 May 2020)
Ends in 1 year and 10 months
(26 May 2023)
5.15.5
5.14 1 year and 7 months ago
(12 Dec 2019)
Ended 7 months ago
(12 Dec 2020)
NA
5.13 2 years ago
(19 Jun 2019)
Ended 1 year ago
(19 Jun 2020)
NA
5.12 (LTS) 2 years and 7 months ago
(06 Dec 2018)
Ends in 4 months
(05 Dec 2021)
5.12.11
5.9 4 years ago
(31 May 2017)
Ended 1 year and 1 month ago
(31 May 2020)
NA
5.6 (LTS) 5 years ago
(16 Mar 2016)
Ended 2 years and 4 months ago
(16 Mar 2019)
NA
4.8 (LTS) 9 years ago
(15 Dec 2011)
Ended 5 years and 7 months ago
(31 Dec 2015)
NA

Qt is a widget toolkit for creating graphical user interfaces as well as native cross-platform applications that supports Linux, Windows, macOS, Android and embedded systems. It is available under both commercial licenses and open-source GPL 2.0, GPL 3.0, and LGPL 3.0 licenses.

A regular release only receives patch releases during the first 6 months until the next feature release is out. An LTS release receives patch releases also after the next feature release is available. Regular releases are supported for one year.

  • Starting from 5.15, LTS releases are supported for three years but only for commercial license holders. For open source users, they are same as regular releases.
  • LTS releases before 5.15 are supported for three years.

The KDE Project maintains a patch collection to support Qt 5.15 LTS for open-source users. It is already packaged with many linux distributions so you might already be covered. Extended support beyond LTS is available as a commercial offering from The Qt Company.

More information is available on the Qt website.

You should be running one of the supported release numbers listed above in the rightmost column.

You can check the version that you are currently using by running:
qmake --version

You can submit an improvement to this page by visiting GitHub. You will need to fork the website and submit a Pull Request. A JSON version of this page is available at /api/qt.json. See the API Documentation for more.