[Interest] Qt 5.15 pull out of open source?!
Tuukka Turunen
tuukka.turunen at qt.io
Thu Jan 7 18:03:47 CET 2021
Looking at how my text art came through the mailing list service, there is too much overlap. I tried to “draw” this so that next one begins around the time previous ends, but did not fully succeed. I hope the main point was still successfully conveyed.
Yours,
Tuukka
From: Interest <interest-bounces at qt-project.org>
Date: Thursday, 7. January 2021 at 17.42
To: Michael Jackson <mike.jackson at bluequartz.net>, interest at qt-project.org <interest at qt-project.org>
Subject: Re: [Interest] Qt 5.15 pull out of open source?!
Hi Michael,
All Qt feature releases are available for all users of Qt. It is just the extended period of long-term support that is available for commercial license holders only.
One way to visualize period of available patch releases for open-source users is as follows:
Qt 5.13 *********
Qt 5.14 ***********
Qt 5.15 **********
Qt 6.0 ********
Qt 6.1 **********
Qt 6.2 *********
Qt 6.3 **********
Same thing for commercial users is as follows:
Qt 5.13 *********
Qt 5.14 ***********
Qt 5.15 LTS *************************************************************
Qt 6.0 ********
Qt 6.1 **********
Qt 6.2 LTS *************************************************
Qt 6.3 **********
Note that this is an indicative visualization of the period when patch releases are created for each Qt version, not accurate timeline representation of patch release dates.
In essence the situation for open-source users is just like it was for everyone before introducing the long-term supported releases (with Qt 5.6).
Yours,
Tuukka
From: Michael Jackson <mike.jackson at bluequartz.net>
Date: Thursday, 7. January 2021 at 17.01
To: Tuukka Turunen <tuukka.turunen at qt.io>, interest at qt-project.org <interest at qt-project.org>
Subject: Re: [Interest] Qt 5.15 pull out of open source?!
Dear Tuukka,
As an open source developer who has used Qt since 2009, I am still a bit confused as to what versions of Qt6 that my open-source project should be using over time? For example, we might be lucky enough to port to the 6.0 release, and then to 6.1. If 6.2 is LTS and commercial only, what is the next Qt 6 version that an open-source project would jump to? Would that be 6.3? Is TQtC going to do something like the “odd (6.1, 6.3…)” releases are opensource but the “even (62, 6.4…)” releases are commercial only? Is there a longer term roadmap available that explains TQtC vision on how this will work?
--
Michael Jackson | Owner, President
BlueQuartz Software
[e] mike.jackson at bluequartz.net
[w] www.bluequartz.net
From: Interest <interest-bounces at qt-project.org> on behalf of Tuukka Turunen <tuukka.turunen at qt.io>
Date: Thursday, January 7, 2021 at 4:38 AM
To: Giuseppe D'Angelo <giuseppe.dangelo at kdab.com>, "interest at qt-project.org" <interest at qt-project.org>
Subject: Re: [Interest] Qt 5.15 pull out of open source?!
Hi,
Apologies for not sending the mail also to the interest mailing list. This is nothing new, as this was announced in already February 2020. Otherwise Qt continues to be available for open-source users, but the long-term support releases of Qt will be available only for the commercial license holders. First commercial-only patch release being Qt 5.15.3 planned to be released in February 2021.
Qt 5.15.2 continues to be available for all users, so situation is similar as with Qt 5.13 and Qt 5.14, for example (no new patch releases). Qt 6.0.0 and subsequent patch releases, as well as upcoming Qt 6.1 and Qt 6.2 etc releases are also available for open-source users. Eventually we will enter long-term-support phase with Qt 6.2 LTS at which point again these are only for commercial license holders, but all releases done until that point continue to be available for all users.
Yours,
Tuukka
From: Interest <interest-bounces at qt-project.org>
Date: Thursday, 7. January 2021 at 10.45
To: interest at qt-project.org <interest at qt-project.org>
Subject: Re: [Interest] Qt 5.15 pull out of open source?!
Hi,
Il 07/01/21 04:03, Jérôme Godbout ha scritto:
> Hi,
> is this any true?
> https://www.phoronix.com/scan.php?page=news_item&px=Qt-5.15-LTS-Commercial-Phase
Please see the thread on development@ (no idea why the original message
was not posted on interest@ as well.).
> https://lists.qt-project.org/pipermail/development/2021-January/040798.html
HTH,
--
Giuseppe D'Angelo | giuseppe.dangelo at kdab.com | Senior Software Engineer
KDAB (France) S.A.S., a KDAB Group company
Tel. France +33 (0)4 90 84 08 53, http://www.kdab.com
KDAB - The Qt, C++ and OpenGL Experts
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