| Qt 5.12 introduces many new features and improvements as well as bugfixes |
| over the 5.11.x series. For more details, refer to the online documentation |
| included in this distribution. The documentation is also available online: |
| |
| https://doc.qt.io/qt-5/index.html |
| |
| The Qt version 5.12 series is binary compatible with the 5.11.x series. |
| Applications compiled for 5.11 will continue to run with 5.12. |
| |
| Some of the changes listed in this file include issue tracking numbers |
| corresponding to tasks in the Qt Bug Tracker: |
| |
| https://bugreports.qt.io/ |
| |
| Each of these identifiers can be entered in the bug tracker to obtain more |
| information about a particular change. |
| |
| **************************************************************************** |
| * TIFF * |
| **************************************************************************** |
| |
| - A number of security-related upstream patches has been applied to the |
| bundled libtiff |
| - Added reading support for 16 bits per channel (rgb48/rgba64) files |
| - [QTBUG-70820] Larger strip size when writing, for improved compression |
| |
| **************************************************************************** |
| * WebP * |
| **************************************************************************** |
| |
| - [QTBUG-48628] Retain non-alpha format on reading and writing. |
| - Use default compression setting for lossless (quality==100) writing |
| |
| **************************************************************************** |
| * Third-Party Code * |
| **************************************************************************** |
| |
| - The unmaintained bundled libmng has been removed. Building the mng |
| handler will require libmng to be present as a system or external |
| library. |
| - The unmaintained bundled libjasper has been removed. Building the jp2 |
| handler will require libjasper to be present as a system or external |
| library. |