Qt 5.15 Release

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Qt 5.15 Standard Support Releases

Release blog post: https://www.qt.io/blog/qt-5.15-released

Announce: https://lists.qt-project.org/pipermail/announce/2020-May/000234.html

Contact Information

Role Name Email irc
Release Manager Jani Heikkinen jani.heikkinen@qt.io jaheikki3

Qt 5.15 release plan

Phase Original plan Updated plan Realized
Feature Freeze 31.01.2020 31.1.2020
Alpha Release 04.02.2020 14.02.2020
Beta1 Release 25.02.2020 28.02.2020
Beta2 Release 12.3.2020 20.3.2020 23.03.2020
Soft String Freeze 25.03.2020 25.3.2020
String freeze 1.4.2020 1.4.2020
Beta3 Release 3.4.2020 6.4.2020
Branch 5.15.0 from 5.15 22.4.2020 23.4.2020
Beta4 release 16.4.2020 20.4.2020
Release Candidate 30.04.2020 06.05.2020
RC2 12.5.2020 12.05.2020
Final Release 15.05.2020 26.5.2020 26.5.2020
5.15.1 August 2020 8.9.2020 10.9.2020
5.15.2 November 2020 19.11.2020 20.11.2020

Tools used when building & packaging Qt 5.15

Qt 5.15 release team meeting memos

03.12.2019 'Initial Qt 5.15.0 schedule'

10.12.2019

07.01.2020

21.01.2020

21.01.2020

11.02.2020

25.02.2020

10.03.2020

17.03.2020

24.03.2020

31.03.2020

14.04.2020

28.04.2020

12.05.2020

04.08.2020

18.08.2020

01.09.2020

Qt 5.15 LTS Commercial Releases

Contact information

Role Name Email
Release Manager Tarja Sundqvist tarja.sundqvist@qt.io

Release Plan

Phase Original plan Updated plan Realized Blog post link
Qt 5.15.3 17.2.2021 5.3.2021 4.3.2021 https://www.qt.io/blog/commercial-lts-qt-5.15.3-released
Qt 5.15.4 21.4.2021 11.5.2021 12.5.2021 https://www.qt.io/blog/commercial-lts-qt-5.15.4-released
Qt 5.15.5 June 2021 18.6.2021 https://www.qt.io/blog/commercial-lts-qt-5.15.5-released
Qt 5.15.6 August 2021 Week 36 (Sep 2021) 8.9.2021 https://www.qt.io/blog/commercial-lts-qt-5.15.6-released
Qt 5.15.7 October 2021


Release Notes

Release notes for the Qt 5.15 LTS Commercial release are available via Qt Account. In Qt Account, select Downloads - Product: Qt - Version: <Qt Version>.

Known Issues

Known issues for Qt 5.15 LTS Commercial releases are listed in the release notes.

Some additional highlights of known issues are listed below:

Getting Source Codes

The Qt 5.15 LTS Commercial source codes are available in the tqtc shadow repositories and their lts branches.

Note! To be able to clone the LTS sources, you must have a commercial license. An evaluation license does not provide access to the LTS sources.

Qt sources

To clone the Qt sources, follow the instructions:

  1. Register to Gerrit as instructed in [1]. Some notes:
    1. If you just want to clone the sources, you need to follow instructions on steps 1-3 and either set an SSH key (step 5) or an HTTP password (step 6).
    2. If you are going to contribute to the Qt Project, step 4 is mandatory.
  2. Login to Gerrit and follow instructions in [2] to clone the LTS source codes.

Yocto environment

If you are using the Yocto environment, please see instructions in https://doc.qt.io/QtForDeviceCreation-5.15/qtee-meta-qt5.html#using-qt-5-15-lts-commercial-releases.

Troubleshooting

Here are some tips for the most common issues. Please note that as a commercial customer you can also contact our support team.

  1. Please check your license. The LTS branches require a commercial license. An evalution license does not provide access to the LTS sources.
  2. If you have used to work with the public Qt 5 repositories, please note that LTS sources are available via tqtc shadow repositories and a Gerrit account is needed for accessing them. Log in Gerrit and setup your account as instructed in [3].
  3. If you see the following error message at the end of cloning command, it might refer to the network issues (for example, too slow connection):

    fatal: early EOF

    fatal: fetch-pack: invalid index-pack output

    Please wait a while and try again cloning sources.
Release Information [edit]
Qt Version Overview Tools and Versions New Features Changes Known Issues
Qt 5.0 Qt 5.0.0Qt 5.0.1 Release New Features in Qt 5.0 Qt 5.0 Changes Qt 5.0.0 Beta 1Qt 5.0.0 Beta 2Qt 5.0.0 RC 1Qt 5.0.0 RC 2
Qt 5.0.0Qt 5.0.1Qt 5.0.2 Known Issues
Qt 5.1 Qt 5.1 Release New Features in Qt 5.1 Qt 5.1.0 Change Files Qt 5.1.0 Beta 1Qt 5.1.0 RC 1
Qt 5.1.0Qt 5.1.1 Known Issues
Qt 5.2 Qt 5.2 Release New Features in Qt 5.2 Qt 5.2.0Qt 5.2.1 Change Files Qt 5.2.0 Beta 1Qt 5.2.0 RC 1
Qt 5.2.0Qt 5.2.1 Known Issues
Qt 5.3 Qt 5.3 Release Qt 5.3 Tools and Versions New Features in Qt 5.3 Qt 5.3.0Qt 5.3.1Qt 5.3.2 Change Files Qt 5.3.0 Beta 1Qt 5.3.0 RC 1
Qt 5.3.0Qt 5.3.1Qt 5.3.2 Known Issues
Qt 5.4 Qt 5.4 Release Qt 5.4 Tools and Versions New Features in Qt 5.4 Qt 5.4.0Qt 5.4.1Qt 5.4.2 Change Files Qt 5.4.0Qt 5.4.1Qt 5.4.2 Known Issues
Qt 5.5 Qt 5.5 Release Qt 5.5 Tools and Versions New Features in Qt 5.5 Qt 5.5.0Qt 5.5.1 Change Files Qt 5.5.0Qt 5.5.1 Known Issues
Qt 5.6 Qt 5.6 Release Qt 5.6 Tools and Versions New Features in Qt 5.6 Qt 5.6.0Qt 5.6.1Qt 5.6.2Qt 5.6.3 Change Files Qt 5.6.0Qt 5.6.1Qt 5.6.2Qt 5.6.3 Known Issues
Qt 5.7 Qt 5.7 Release Qt 5.7 Tools and Versions New Features in Qt 5.7 Qt 5.7.0Qt 5.7.1 Change Files Qt 5.7.0Qt 5.7.1 Known Issues
Qt 5.8 Qt 5.8 Release Qt 5.8 Tools and Versions New Features in Qt 5.8 Qt 5.8.0 Change Files Qt 5.8.0 Known Issues
Qt 5.9 Qt 5.9 Release Qt 5.9 Tools and Versions New Features in Qt 5.9 Qt 5.9.0Qt 5.9.1Qt 5.9.2Qt 5.9.3Qt 5.9.4Qt 5.9.5Qt 5.9.6 Change FilesQt 5.9.7 Change FilesQt 5.9.8 Change FilesQt 5.9.9 Change Files Qt 5.9.0Qt 5.9.1Qt 5.9.2Qt 5.9.3Qt 5.9.4Qt 5.9.5Qt 5.9.6 Known IssuesQt 5.9.7 Known IssuesQt 5.9.8 Known IssuesQt 5.9.9 Known Issues
Qt 5.10 Qt 5.10 Release Qt 5.10 Tools and Versions New Features in Qt 5.10 Qt 5.10.0Qt 5.10.1 Change Files Qt 5.10.0Qt 5.10.1 Known Issues
Qt 5.11 Qt 5.11 Release Qt 5.11 Tools and Versions New Features in Qt 5.11 Qt 5.11.0Qt 5.11.1Qt 5.11.2 Change FilesQt 5.11.3 Change Files Qt 5.11.0Qt 5.11.1Qt 5.11.2 Known IssuesQt 5.11.3 Known Issues
Qt 5.12 Qt 5.12 Release Qt 5.12 Tools and Versions New Features in Qt 5.12 Qt 5.12.0 Change FilesQt 5.12.1 Change FilesQt 5.12.2 Change FilesQt 5.12.3 Change FilesQt 5.12.4 Change FilesQt 5.12.5 Change FilesQt 5.12.6 Change FilesQt 5.12.7 Change FilesQt 5.12.8 Change FilesQt 5.12.9 Change FilesQt 5.12.10 Change FilesQt 5.12.11 Release Note Qt 5.12.0 Known IssuesQt 5.12.1 Known IssuesQt 5.12.2 Known IssuesQt 5.12.3 Known IssuesQt 5.12.4 Known IssuesQt 5.12.5 Known IssuesQt 5.12.6 Known IssuesQt 5.12.7 Known IssuesQt 5.12.8 Known IssuesQt 5.12.9 Known IssuesQt 5.12.10 Known IssuesQt 5.12.11 Known issues in release note
Qt 5.13 Qt 5.13 Release Qt 5.13 Tools and Versions New Features in Qt 5.13 Qt 5.13.0 Change FilesQt 5.13.1 Change FilesQt 5.13.2 Change Files Qt 5.13.0 Known IssuesQt 5.13.1 Known IssuesQt 5.13.2 Known Issues
Qt 5.14 Qt 5.14 Release Qt 5.14 Tools and Versions New Features in Qt 5.14 Qt 5.14.0 Change FilesQt 5.14.1 Change FilesQt 5.14.2 Change Files Qt 5.14.0 Known IssuesQt 5.14.1 Known IssuesQt 5.14.2 Known Issues
Qt 5.15 Qt 5.15 Release Qt 5.15 Tools and Versions New Features in Qt 5.15 Qt 5.15.0 Change FilesQt 5.15.1 Change FilesQt 5.15.2 Change Files Qt 5.15.0 Known IssuesQt 5.15.1 Known IssuesQt 5.15.2 Known IssuesQt 5.15.4 Known Issues
Qt 6.0 Qt 6.0 Release Qt 6.0 Tools and Versions New Features in Qt 6.0 Qt 6.0.0 Change FilesQt 6.0.1 Release NoteQt 6.0.2 Release NoteQt 6.0.3 Release NoteQt 6.0.4 Release Note Qt 6.0.0 Known IssuesQt 6.0.1 Known IssuesQt 6.0.2 Known IssuesQt 6.0.3 Known IssuesQt 6.0.4 Known Issues
Qt 6.1 Qt 6.1 Release Qt 6.1 Tools and Versions New Features in Qt 6.1 Qt 6.1.0 Release NoteQt 6.1.1 Release NoteQt 6.1.2 Release NoteQt 6.1.3 Release Note Qt 6.1.0 Known IssuesQt 6.1.1 Known issues in release noteQt 6.1.2 Known issues in release noteQt 6.1.3 Known issues in release note
Qt 6.2 Qt 6.2 Release Qt 6.2 Tools and Versions New Features in Qt 6.2 Qt 6.2.0 Release Note Qt 6.2.0 Known Issues
Qt 6.3 Qt 6.3 Release Qt 6.3 Tools and Versions New Features in Qt 6.3 Qt 6.3.0 Release Note Qt 6.3.0 Known Issues