Qt 5.4.2 is a bug-fix release. It maintains both forward and backward compatibility (source and binary) with Qt 5.4.0 and 5.4.1. For more details, refer to the online documentation included in this distribution. The documentation is also available online: http://qt-project.org/doc/qt-5.4 The Qt version 5.4 series is binary compatible with the 5.3.x series. Applications compiled for 5.3 will continue to run with 5.4. Some of the changes listed in this file include issue tracking numbers corresponding to tasks in the Qt Bug Tracker: http://bugreports.qt-project.org/ Each of these identifiers can be entered in the bug tracker to obtain more information about a particular change. **************************************************************************** * Library * **************************************************************************** QtMultimedia ------------ - QCameraInfo::availableCameras() and QtMultimedia.availableCameras (QML) now return an up-to-date list when a camera is added or removed from the system. - Fixed memory leak in QMediaPlaylist::load(). **************************************************************************** * Platform Specific Changes * **************************************************************************** Android ------- - [QTBUG-37525] Fixed VideoOutput not working on some devices when used with a Camera. - [QTBUG-44383] Fixed setting a URL with special characters on a MediaPlayer. iOS --- - [QTBUG-44790] Fixed crash when using QAudioOutput/QAudioInput on iOS 5. - [QTBUG-45659] Using QCamera doesn't always prompt for microphone permission anymore, it now only does so when using the CaptureVideo mode. Linux ----- - [QTBUG-42326] Fixed regression causing software devices to not be included in QAudioDeviceInfo::availableDevices() when using the ALSA backend. Windows ------- - [QTBUG-32746] QMediaPlayer doesn't resume playback anymore when seeking an audio media while paused. - [QTBUG-42648] Greatly improved QAudioDeviceInfo supported formats detection. - [QTBUG-44305] QAudioDeviceInfo: Fixed memory leak in availableDevices().