Qt End of Life (EOL) Dates and End of Support (EOS) Dates

Official Release Policy

18 Qt versions have reached End of Life (EOL) and End of Support (EOS), including Qt 6.10 (EOL date: Apr 07, 2026) — no longer receiving security updates or patches. Qt 6.11 reaches its End of Support date on Sep 22, 2026 — plan your upgrade path now. Also see CKEditor end of support life for related end-of-life information.

Qt end of life dates timeline — release schedule chart of the 8 most recent Qt versions, mapping security support and extended support windows against their EOL dates — Qt end of life dates and end of support (EOS) dates shown as a release schedule — support windows for the 8 most recent Qt releases of 19 total. Each bar runs from the release date to the end of security support, with the dashed line marking today. Exact Qt EOL, EOS and EOSL dates for every version are listed in the tables below.

Qt Releases Nearing End of Life - Support Ending Soon (1)

Important: The following Qt releases will reach End of Life (EOL) within 6 months. Plan your migration to a supported release to ensure continued security updates and support.

Release	Released	OSS support	Commercial support	Latest	LTS
6.11	Mar 23, 2026 (5 months ago)	Sep 22, 2026 (in 3 days)	Mar 23, 2027 (in 6 months)	6.11.2 2026-08-18 (1 month and 1 day ago)	-

Qt End of Life (EOL) Releases - No Longer Supported (18)

Release	Released	OSS support	Commercial support	Latest	LTS
6.10	Oct 07, 2025 (11 months ago)	Apr 07, 2026 (5 months ago)	Oct 07, 2026 (in 2 weeks and 4 days)	6.10.3 2026-04-02 (5 months ago)	-
6.9	Apr 02, 2025 (1 year and 5 months ago)	Oct 07, 2025 (11 months ago)	Apr 02, 2026 (5 months ago)	6.9.3 2025-09-30 (11 months ago)	-
6.8 (LTS)	Oct 07, 2024 (1 year and 11 months ago)	Apr 02, 2025 (1 year and 5 months ago)	Oct 08, 2029 (in 3 years)	6.8.3 2025-03-26 (1 year and 5 months ago)	LTS
6.7	Mar 28, 2024 (2 years and 5 months ago)	Oct 07, 2024 (1 year and 11 months ago)	Apr 02, 2025 (1 year and 5 months ago)	6.7.3 2024-09-27 (1 year and 11 months ago)	-
6.6	Oct 09, 2023 (2 years and 11 months ago)	Apr 02, 2024 (2 years and 5 months ago)	Oct 09, 2024 (1 year and 11 months ago)	6.6.3 2024-03-26 (2 years and 5 months ago)	-

6.5 (LTS)	Mar 31, 2023 (3 years and 5 months ago)	Oct 09, 2023 (2 years and 11 months ago)	Mar 31, 2026 (5 months ago)	6.5.8 2023-12-13 (2 years and 9 months ago)	LTS
6.4	Sep 28, 2022 (3 years and 11 months ago)	Mar 31, 2023 (3 years and 5 months ago)	Sep 28, 2023 (2 years and 11 months ago)	6.4.3 2023-03-16 (3 years and 6 months ago)	-
6.3	Apr 11, 2022 (4 years and 5 months ago)	Sep 28, 2022 (3 years and 11 months ago)	Apr 11, 2023 (3 years and 5 months ago)	6.3.2 2022-09-08 (4 years ago)	-
6.2 (LTS)	Sep 30, 2021 (4 years and 11 months ago)	Apr 11, 2022 (4 years and 5 months ago)	Sep 30, 2024 (1 year and 11 months ago)	6.2.4 2022-03-16 (4 years and 6 months ago)	LTS
6.1	May 05, 2021 (5 years and 4 months ago)	Sep 30, 2021 (4 years and 11 months ago)	May 05, 2022 (4 years and 4 months ago)	6.1.3 2021-08-31 (5 years ago)	-
6.0	Dec 08, 2020 (5 years and 9 months ago)	May 05, 2021 (5 years and 4 months ago)	Dec 08, 2021 (4 years and 9 months ago)	6.0.4 2021-05-03 (5 years and 4 months ago)	-
5.15 (LTS)	May 25, 2020 (6 years and 3 months ago)	Dec 08, 2020 (5 years and 9 months ago)	May 25, 2025 (1 year and 3 months ago)	5.15.17 2025-05-22 (1 year and 3 months ago)	LTS
5.14	Dec 11, 2019 (6 years and 9 months ago)	Dec 12, 2020 (5 years and 9 months ago)	Active	5.14.2 2020-03-30 (6 years and 5 months ago)	-
5.13	Jun 18, 2019 (7 years and 3 months ago)	Jun 19, 2020 (6 years and 3 months ago)	Active	5.13.2 2019-10-28 (6 years and 10 months ago)	-
5.12 (LTS)	Dec 04, 2018 (7 years and 9 months ago)	Dec 05, 2021 (4 years and 9 months ago)	Active	5.12.12 2021-11-25 (4 years and 9 months ago)	LTS
5.9	May 29, 2017 (9 years and 3 months ago)	May 31, 2020 (6 years and 3 months ago)	Active	5.9.9 2019-12-16 (6 years and 9 months ago)	-
5.6 (LTS)	Mar 15, 2016 (10 years and 6 months ago)	Mar 16, 2019 (7 years and 6 months ago)	Active	5.6.3 2017-09-20 (8 years and 11 months ago)	LTS
4.8 (LTS)	Dec 15, 2011 (14 years and 9 months ago)	Dec 31, 2015 (10 years and 8 months ago)	Active	4.8.7 2015-05-26 (11 years and 3 months ago)	LTS

Qt End of Life & Support Summary

Qt Versions Nearing End of Life

1 Qt release is reaching End of Life (EOL) within 6 months. Qt 6.11 support ends on Sep 22, 2026. Also see OpenSSL lifecycle dates for related end-of-life information.

Qt End of Life (EOL) Version History

18 Qt releases have reached End of Life (EOL) and End of Support (EOS) — no longer receiving updates or patches. Qt 6.10 reached EOL on Apr 07, 2026. Qt 6.11 is the most recent release still receiving support.