Last update: 26 September 2024
As you might know, Qt Group doesn’t publish source code neither changelog for Qt 5.15 LTS updates. Instead getting those now requires buying a commercial license starting with Qt 5.15.3. This decision was controversial and pretty unfortunate for many Qt users but luckily Qt Group decided to release source code for each LTS update exactly after 1 year. Qt Group never announced this information officially but according to the upload date on their server, 1 year is what you need to wait before getting the source code.
| Qt | Commercial release | Open source download | Release notes |
|---|---|---|---|
| 5.15.3 | March 04, 2021 | March 03, 2022 | Link |
| 5.15.4 | May 12, 2021 | May 12, 2022 | Link |
| 5.15.5 | June 18, 2021 | June 17, 2022 | Link |
| 5.15.6 | September 08, 2021 | September 07, 2022 | Link |
| 5.15.7 | October 29, 2021 | October 28, 2022 | Link |
| 5.15.8 | January 04, 2022 | January 4, 2023 | Link |
| 5.15.9 | April 06, 2022 | April 06, 2023 | Link |
| 5.15.10 | June 07, 2022 | June 06, 2023 | Link |
| 5.15.11 | October 05, 2022 | October 04, 2023 | Link |
| 5.15.12 | December 28, 2022 | December 20, 2023 | Link |
| 5.15.13 | March 9, 2023 | March 8, 2024 | Link |
| 5.15.14 | May 25, 2023 | May 24, 2024 | Link |
| 5.15.15 | 31 August, 2023 | 30 August, 2024 | Link |
| 5.15.16 | 17 November, 2023 | 17 November, 2024 |