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Qt

Active
Other Latest Version: 6.10.2 Latest Release: Jan 29, 2026

Qt is a cross-platform application framework for developing GUI applications across desktop, mobile, and embedded.

Versions

18

Latest Version

6.10.2

Active Support

1

EOL

17

Lifecycle Timeline

Today
6.10
6.10
6.9
6.9
6.8
6.8
6.7
6.7
6.6
6.6
6.5
6.5
6.4
6.4
6.3
6.3
6.2
6.2
6.1
6.1
Active SupportSecurity SupportEOL

Versions

ReleaseRelease DateActive SupportEOLLatest VersionLTSStatus
6.10Oct 7, 2025-Apr 7, 20266.10.2No
Active
6.9Apr 2, 2025-Oct 7, 20256.9.3No
EOL
6.8Oct 7, 2024-Apr 2, 20256.8.3
Yes
EOL
6.7Mar 28, 2024-Oct 7, 20246.7.3No
EOL
6.6Oct 9, 2023-Apr 2, 20246.6.3No
EOL
6.5Mar 31, 2023-Oct 9, 20236.5.8
Yes
EOL
6.4Sep 28, 2022-Mar 31, 20236.4.3No
EOL
6.3Apr 11, 2022-Sep 28, 20226.3.2No
EOL
6.2Sep 30, 2021-Apr 11, 20226.2.4
Yes
EOL
6.1May 5, 2021-Sep 30, 20216.1.3No
EOL
6.0Dec 8, 2020-May 5, 20216.0.4No
EOL
5.15May 25, 2020-Dec 8, 20205.15.17
Yes
EOL
5.14Dec 11, 2019-Dec 12, 20205.14.2No
EOL
5.13Jun 18, 2019-Jun 19, 20205.13.2No
EOL
5.12Dec 4, 2018-Dec 5, 20215.12.12
Yes
EOL
5.9May 29, 2017-May 31, 20205.9.9No
EOL
5.6Mar 15, 2016-Mar 16, 20195.6.3
Yes
EOL
4.8Dec 15, 2011-Dec 31, 20154.8.7
Yes
EOL

Frequently Asked Questions

Which versions of Qt have reached end of life?
The following Qt versions have reached end of life and no longer receive security updates: 6.9, 6.8, 6.7, 6.6, 6.5, 6.4, 6.3, 6.2 (and 9 more). It is recommended to upgrade to a supported version.
Is it safe to continue using Qt 6.9?
Qt 6.9 has reached end of life and no longer receives security patches or bug fixes. Continuing to use it may expose your systems to known vulnerabilities. We strongly recommend upgrading to a supported version.
What is the latest version of Qt?
The latest version of Qt is 6.10.2, released in the 6.10 release cycle.
How many versions of Qt are currently supported?
Qt currently has 1 actively supported version(s): 6.10.
When does Qt 6.10 reach end of life?
Qt 6.10 is scheduled to reach end of life on Apr 7, 2026.
What should I do when Qt reaches end of life?
When a Qt version reaches end of life, you should: 1) Plan your migration to a supported version as soon as possible. 2) Review the release notes for breaking changes. 3) Test your applications thoroughly in a staging environment. 4) Update your dependencies to ensure compatibility with the new version.