Today, we have released Qt 5.2.1. It provides many improvements over Qt 5.2.0 as well as packages Qt Creator 3.0.1. As a patch release, it does not add new features and remains binary compatible with Qt 5.2.0.

Qt 5.2 introduced new iOS and Android ports, as well as a hefty amount of other new functionality. Based on the feedback received from the Qt Enterprise and Qt Mobile customers as well as the whole Qt community, Qt 5.2.1 is providing many improvements.

The most notable improvements in Qt 5.2.1 are numerous JavaScript and QML specific performance optimisations in the new Qt Quick Engine, as well as fixes in the iOS and Android ports. With Qt 5.2.1 we use iOS 7.0 SDK for building the Qt for iOS binaries and can now leverage the latest functionality. The binaries are still compatible with older iOS versions, so applications work on all supported iOS versions. We have also made the “Getting Started” documentation for Android and iOS and examples easier to use as well as fine tuned many other items.

For a detailed list of changes in Qt 5.2.1, please have a look at the change files within each module, as well as the Qt Creator 3.0.1 release announcement.

As always, Qt 5.2.1 maintains both forward and backward, source and binary compatibility with earlier releases in the Qt 5 series. We are continuously ironing out the glitches and improving the quality with every new release. If you encounter a previously unknown bug in Qt 5, please help us to improve the product in future releases by reporting it to, or contact us via the Qt Enterprise Customer Portal, or Qt Account.

In addition to Qt 5.2.1 and Creator 3.0.1 we are releasing a preview of Visual Studio Add-In 1.2.3 that brings support for VS2013 as well as some other improvements. Qt 5.2.1 does not offer pre-build binaries for VS2013, so you need to compile Qt yourself to use it. Final release of VS Add-In 1.2.3 as well as VS2013 binaries are planned to be released in conjunction with Qt 5.3.

Qt 5.2.1 is now tagged in the Qt Project repository and available via both online and offline installers. If you do not have the Qt 5 online installer, wish to use the offline packages, or get the VS Add-In 1.2.3 preview, please visit the Qt Enterprise Customer Portal, or download the open-source installers from Qt Project downloads page.

If you would like to try Qt Enterprise, please download the free Qt Enterprise 30 day trial.

If you are developing for Android or iOS, check out Qt Mobile, or sign up to Qt Account to get the free 30 day trial of Qt Mobile.

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Qt 5.2.1 Released