I see there is a branch with unit tests that pass. Are the fixes gonna land soon?
> Date: Thu, 19 Feb 2015 09:19:42 +0100 > From: christian.dy...@canonical.com > To: bogdan.c...@hotmail.com; timo.jyri...@canonical.com; > ubuntu-phone@lists.launchpad.net; ubuntu-de...@lists.ubuntu.com > Subject: Re: [Ubuntu-phone] Qt 5.4 QVariant change and module news > > I confirm that several unit tests don't pass. > > https://bugs.launchpad.net/u1db-qt/+bug/1423473 > > On 18.02.2015 19:51, Bogdan Cuza wrote: > > I have just received a vivid-proposed image and noticed that U1db no > > longer loads the defaults (which was probably a processed QVariantMap > > from JS). Did this change break it/could it break even more components? > > > > > Date: Tue, 17 Feb 2015 09:37:38 +0200 > > > From: timo.jyri...@canonical.com > > > To: ubuntu-phone@lists.launchpad.net > > > CC: ubuntu-de...@lists.ubuntu.com > > > Subject: [Ubuntu-phone] Qt 5.4 QVariant change and module news > > > > > > Qt 5.4 is now in vivid, powering Ubuntu Phone starting with devel > > > image #102, Kubuntu's Plasma 5 and also the Unity 8 desktop preview. > > > No app changes are generally needed, but there is a change in QVariant > > > that may be relevant to C++ using apps. > > > > > > == QVariant change in Qt 5.4 == > > > > > > QVariant has changed a bit in Qt 5.4, although in a way that fixing > > > its use does not affect negatively use in Qt 5.3 either. > > > > > > Quote: ”When a JavaScript object/array is passed to C++ through a > > > QVariant, the engine no longer immediately converts the object > > > recursively into a QVariantMap or QVariantList but instead stores a > > > QJSValue in the QVariant. This prevents a loss of data when the JS > > > object contains non-primitive types such as function objects for > > > example. Code that expects the variant type to be exactly > > > QVariant::Map or QVariant::List may need to be adapted. Registered > > > conversion functions however ensure that code that merely calls > > > toMap() or toList() continues to work.” [QTBUG-40431] > > > > > > Examples of fixes: > > > - Oxide: > > https://code.launchpad.net/~aacid/oxide/qt54_variantjs/+merge/248765 > > > - Ubuntu UI Toolkit: > > > > > https://code.launchpad.net/~aacid/ubuntu-ui-toolkit/statesaver_54/+merge/247986 > > > > > > Another noted small difference: > > > ”In Qt 5.4 an alias to a null variable is correctly null instead of > > > undefined like it was in Qt 5.3” > > > > > > == Status of less supported Qt modules == > > > > > > It's useful to remember that not all of Qt we have in Ubuntu is > > > supported by the Qt Project: > > > > > > - qtlocation: Upstream releases this as part of their releases, but > > > they emphasize that Qt Positioning is API stable while Qt Location > > > might change. Still, this should be pretty safe to use and will > > > probably be declared stable soon. > > > - qt3d: The original module has not been developed for two years. A > > > complete rewrite has been in development during that time. Qt 3D 2.0 > > > will be available as a preview with Qt 5.5. > > > - qtsystems: Semi-active development. Qt 5.4 absorbed QStorageInfo to > > > be official part of qtbase, but it is a bit different and oddly does > > > not have QML support at this point. We include the SystemInfo module > > > on the phone images, but currently not the Publish Subscribe or > > > Service Framework modules from the same source. > > > - qtpim: Semi-active development, but can be considered supported > > > since our Renato is one of the upstream developers. Ubuntu uses the > > > Contacts/Organizer extensively in phone/scheduling apps. > > > - qtfeedback: Stable in the sense that there is no development > > > happening. It's also a very small module. If you are interested in the > > > module, consider taking an active role in the Qt Project where > > > contributions would surely be welcome. > > > > > > -Timo > >
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