Hi Dmitry, thanks for your message and the work as volunteers on Qt packaging. My message was merely to know if there was any need for a specific bug item about the backporting and it is great to hear that you were already planning the backport! Also, great to hear that 19.04 is going to get the Qt LTS.
Reproducing the duplex issue is very easy. 1) Install a printer that can duplex and configure it to do duplex with long-edge binding from the printer setup dialog. 2) Open a PDF with okular, and open the print dialog. Select the printer above. 3) Press the "Options" button to enlarge the dialog to also present the options. Select the "options" tab, right of "copies". Verify that Duplex Printing is preset to "None" This is wrong, because the printer was configured to do duplex with long-edge binding. 4) Print and close okular. 5) Reopen okular (with the same or another PDF file). Open again the print dialog and select the same printer. 6) Redo 3). Again see that Duplex Printing is preset to "None", instead of being at the default or at the previously used setup. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to qtbase-opensource-src in Ubuntu. https://bugs.launchpad.net/bugs/1776173 Title: qt print dialog shipped with bionic ignores printer defaults Status in qtbase-opensource-src package in Ubuntu: Fix Released Status in qtbase-opensource-src source package in Bionic: New Status in qtbase-opensource-src source package in Cosmic: New Bug description: All kde applications shipped with ubuntu and particularly kubuntu bionic print via the qt print dialog, that, unfortunately, does not seem to respect the defaults set for the printer. Specifically, every time one starts to print the "duplex" option gets reset to "none" even for those printers that were configured for "long edge" duplex by default. This may lead to a huge *waste of paper*: people print, expecting the duplex, do not get it, throw away the printout and reprint, for a total of 3 times the paper usage if the print dialog respected the default. See also https://bugs.kde.org/show_bug.cgi?id=395150 As a final comment and in general, I think that Bionic should be updated to use the QT 5.11 print subsystem (from 5.9.5) as soon as possible (at least via a kubuntu ppa). The QT 5 print dialog has always been extremely poor, with no possibility to provide information about things like print quality and resolution, paper type, stapling (for printers supporting it), etc. Now, QT 5.11 has finally a better print dialog and it would be great if the bionic users could use it. ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: libqt5widgets5 5.9.5+dfsg-0ubuntu1 ProcVersionSignature: Ubuntu 4.15.0-22.24-generic 4.15.17 Uname: Linux 4.15.0-22-generic x86_64 ApportVersion: 2.20.9-0ubuntu7.2 Architecture: amd64 CurrentDesktop: KDE Date: Mon Jun 11 10:23:53 2018 EcryptfsInUse: Yes InstallationDate: Installed on 2013-12-12 (1641 days ago) InstallationMedia: Kubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016.1) SourcePackage: qtbase-opensource-src UpgradeStatus: Upgraded to bionic on 2018-06-08 (2 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/qtbase-opensource-src/+bug/1776173/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp