Qt 5.5 introduces many new features and improvements as well as bugfixes over the 5.4.x series. For more details, refer to the online documentation included in this distribution. The documentation is also available online: http://doc.qt.io/qt-5.5 The Qt version 5.5 series is binary compatible with the 5.4.x series. Applications compiled for 5.4 will continue to run with 5.5. Some of the changes listed in this file include issue tracking numbers corresponding to tasks in the Qt Bug Tracker: http://bugreports.qt.io/ Each of these identifiers can be entered in the bug tracker to obtain more information about a particular change. **************************************************************************** * Important * **************************************************************************** - QtWebKit is now deprecated. It will continue to be supported in Qt 5, but it is recommended new projects switch to the QtWebEngine APIs. **************************************************************************** * Library * **************************************************************************** QtWebkit -------- - [QTBUG-45556] Fixed case where local pages could request remote content when remote access was disabled. - Support for more font-weight using new weight in QFont. - [QTBUG-43628] Support authentication of POST requests. **************************************************************************** * Platform Specific Changes * **************************************************************************** Windows ------- - [QTBUG-46344] Support building with MSVC 2015 Linux ------- - NS plugins are now linking using RTLD_DEEPBIND, making it possible to load plugins using conflicting symbols such as Qt4 libraries. - Plugins loading Qt4-using plugins of their own without using deepbind are blacklisted.