Hi, Regarding the current situation, I would also be in favor of postponing the QGIS 4.0 release.
Regards, Julien > On Sat, 23 Aug 2025 at 19:35, Mathieu Pellerin via QGIS-PSC > <qgis-...@lists.osgeo.org> wrote: >> >> With regards to the timeline question raised by Marco in this >> thread, I'd like to add a +1 to the idea of postponing QGIS 4.0. At >> the very least, I think we should make a conscious decision about it >> sooner than later :) > > I'm also +1 to deferring QGIS 4.0 for one release cycle. (ie skip > October's release, and release 4.0 in February). > > The CI port to Qt 6 is basically ready now (at > https://github.com/qgis/QGIS/pull/62809). However -- there's still a > handful of tests which pass under Qt 5 which are skipped on the Qt 6 > builds right now, and this makes me nervous. If we merged #62809 today > and moved exclusively to Qt 6 then we'll lose some test coverage. I'd > prefer to hold off merging #62809 until we can get these remaining > tests passing on the ubuntu qt6 builds. > > Hopefully that's just a matter of days, not weeks! > > Nyall > > > > >> >> While we should all be very proud of the regular release interval discipline >> we've shown in recent years, I think several factors warrant at least >> seriously considering delaying QGIS 4.0. >> >> Like Matthias, I believe the fact that a Qt6-based development >> environment not adding a *considerable* amount of time spent >> building not having been unlocked yet means most of our developers >> are still on Qt5. On my end, I did try to switch to a Qt6-only >> development environment during the last freeze period, only to find >> myself going back to Qt5 to retain an acceptable build wait >> time. While we have had Qt6-based CI testing going on for a while >> and being improved week after week, I would feel really insecure >> shipping QGIS 4.0 with Qt6 libraries when most devs have not spent a >> fair amount of time running Qt6 builds (both as part of their >> development as well as mapping production environments). We're also >> a few weeks away from bug fixing, and we risk entering it with >> developers still fixing bugs against Qt5 libraries (because it's >> that much more efficient). >> >> On top of what has been raised above, something less crucial but >> that is still worth factoring in: we had a couple of interesting >> changes we wanted to push into QGIS 4.0 which at the moment are >> increasingly at risk of not making it into an October release >> date. For example, at this moment in time, I'm certain the icons set >> revamp proposition can't be achieved in time. It'd be good to hear >> the status of other important changes like the welcome screen >> revamp. >> >> Beyond that, thanks for the status updates and ongoing efforts to all >> involved! Keen to hear what others have to say about this. >> >> Mathieu >> >> >> >> On Fri, Aug 22, 2025 at 10:30 PM Matthias Kuhn via QGIS-PSC >> <qgis-...@lists.osgeo.org> wrote: >>> >>> Hi all, >>> >>> Nice to see the progress on the ci front, thanks Nyall. >>> The Qt6 packages for Windows and macOS are also ready to be tested as well >>> (thanks Jürgen). >>> >>> I suspect many developers do most of their work with Qt5 (because it's more >>> efficient looking at the build times) and therefore most testing by core >>> developers and technical people is done on Qt5 builds. >>> One thing that could help is to change the default to BUILD_WITH_QT6 as >>> soon as possible and collect some low hanging fruits. >>> >>> With the feature freeze less than 3 weeks in front of us and the >>> release in about two months, I think it's a good point to check if >>> we are on track with the timeline or if we want to consider an >>> adjustment as pointed out by Marco earlier in this thread. >>> >>> Cheers >>> Matthias >>> >>> On Fri, Aug 22, 2025 at 9:11 AM Alessandro Pasotti via QGIS-PSC >>> <qgis-...@lists.osgeo.org> wrote: >>>> >>>> I am currently on vacation but I will have a look next week. >>>> >>>> Kind regards >>>> >>>> -- >>>> Alessandro Pasotti >>>> QCooperative: www.qcooperative.net >>>> ItOpen: www.itopen.it >>>> >>>> Il gio 21 ago 2025, 11:22 Marco Bernasocchi via QGIS-PSC >>>> <qgis-...@lists.osgeo.org> ha scritto: >>>>> >>>>> Thanks Nyall for the work and answer. >>>>> on the other two points, >>>>> >>>>> - having some solution for the extremely slow sip build times on qt6 >>>>> >>>>> Martin, do you have an ETA for David's grant >>>>> https://github.com/qgis/QGIS-Enhancement-Proposals/pull/338 >>>>> >>>>> - porting the ogc server ci to qt6 >>>>> Alessandro, would that be something you'd be willing/would have time >>>>> ressources to take over since you worked a lot on the server in the past? >>>>> >>>>> >>>>> it would be great if we can move all this forward so we can come closer >>>>> to a qgis 4.0. >>>>> >>>>> I'd also would like to re ask if we should start preparing for a 1(x?) >>>>> month delay for the freeze? And remember that there are funding available. >>>>> >>>>> Cheers >>>>> >>>>> Marco >>>>> >>>>> >>>>> On Fri, 8 Aug 2025 at 05:22, Nyall Dawson <nyall.daw...@gmail.com> wrote: >>>>>> >>>>>> On Fri, 8 Aug 2025 at 04:11, Marco Bernasocchi <ma...@qgis.org> wrote: >>>>>> > >>>>>> > Hi all, >>>>>> > I was just pointed to this mail >>>>>> > https://lists.osgeo.org/pipermail/qgis-developer/2025-July/067716.html >>>>>> > and noticed that Nyall mentions some still needed work. >>>>>> > >>>>>> > @Nyall, do you think the freeze in 5 weeks is realistic? Do we need to >>>>>> > plan/prepare something different? >>>>>> > >>>>>> > Please, all developer involved in moving to Qt6, that the psc still >>>>>> > has reserved funding for this. >>>>>> >>>>>> - porting the Ubuntu ci infrastructure to qt6, including the database >>>>>> server based tests >>>>>> >>>>>> I'm currently working on this -- see >>>>>> https://github.com/qgis/QGIS/pull/62809 >>>>>> >>>>>> Nyall >>>>>> >>>>>> >>>>>> >>>>>> > >>>>>> > Cheers Marco >>>>>> > >>>>>> > -- >>>>>> > Marco Bernasocchi >>>>>> > >>>>>> > QGIS.org Chair >>>>>> > OSGEO.org VP Europe >>>>>> > OPENGIS.ch CEO >>>>>> > http://berna.io >>>>> >>>>> >>>>> >>>>> -- >>>>> Marco Bernasocchi >>>>> >>>>> QGIS.org Chair >>>>> OSGEO.org VP Europe >>>>> OPENGIS.ch CEO >>>>> http://berna.io >>>>> _______________________________________________ >>>>> QGIS-PSC mailing list >>>>> qgis-...@lists.osgeo.org >>>>> https://lists.osgeo.org/mailman/listinfo/qgis-psc >>>> >>>> _______________________________________________ >>>> QGIS-PSC mailing list >>>> qgis-...@lists.osgeo.org >>>> https://lists.osgeo.org/mailman/listinfo/qgis-psc >>> >>> _______________________________________________ >>> QGIS-PSC mailing list >>> qgis-...@lists.osgeo.org >>> https://lists.osgeo.org/mailman/listinfo/qgis-psc >> >> _______________________________________________ >> QGIS-PSC mailing list >> qgis-...@lists.osgeo.org >> https://lists.osgeo.org/mailman/listinfo/qgis-psc > _______________________________________________ > QGIS-PSC mailing list > qgis-...@lists.osgeo.org > https://lists.osgeo.org/mailman/listinfo/qgis-psc -- Julien Cabieces Senior Developer at Oslandia julien.cabie...@oslandia.com _______________________________________________ QGIS-Developer mailing list QGIS-Developer@lists.osgeo.org List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer