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Qt 5.6.3 is a bug-fix release. It maintains both forward and backward
compatibility (source and binary) with Qt 5.6.0.

Qt WebEngine 5.6.3 contains a merge from Qt WebEngine 5.7.1 and all
bug-fixes in Qt 5.7.1 are also in Qt 5.6.3. These are listed both here
and in changes-5.7.1.

For more details, refer to the online documentation included in this
distribution. The documentation is also available online:

  http://doc.qt.io/qt-5/index.html

The Qt version 5.6 series is binary compatible with the 5.5.x series.
Applications compiled for 5.5 will continue to run with 5.6.

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.

****************************************************************************
*                             General                                      *
****************************************************************************

 - Chromium Snapshot:
   * Updated the Chromium version to 49.0.2623.111.
   * Backported security fixes from Chromium up to version 59.0.3071.104.
    Including: CVE-2016-5133, CVE-2016-5147, CVE-2016-5153, CVE-2016-5155,
      CVE-2016-5161, CVE-2016-5166, CVE-2016-5170, CVE-2016-5171,
      CVE-2016-5172, CVE-2016-5181, CVE-2016-5185, CVE-2016-5186,
      CVE-2016-5187, CVE-2016-5188, CVE-2016-5192, CVE-2016-5198.
      CVE-2016-5205, CVE-2016-5207, CVE-2016-5208, CVE-2016-5214,
      CVE-2016-5215, CVE-2016-5221, CVE-2016-5222, CVE-2016-5224,
      CVE-2016-5225, CVE-2016-9650, CVE-2016-9651, CVE-2016-9652,
      CVE-2017-5006, CVE-2017-5007, CVE-2017-5008, CVE-2017-5009,
      CVE-2017-5010, CVE-2017-5012, CVE-2017-5015, CVE-2017-5016,
      CVE-2017-5017, CVE-2017-5019, CVE-2017-5023, CVE-2017-5024,
      CVE-2017-5025, CVE-2017-5026, CVE-2017-5027, CVE-2017-5029,
      CVE-2017-5033, CVE-2017-5037, CVE-2017-5044, CVE-2017-5046,
      CVE-2017-5047, CVE-2017-5048, CVE-2017-5049, CVE-2017-5050,
      CVE-2017-5051, CVE-2017-5052, CVE-2017-5054, CVE-2017-5059,
      CVE-2017-5061, CVE-2017-5062, CVE-2017-5065, CVE-2017-5067,
      CVE-2017-5069, CVE-2017-5070, CVE-2017-5071, CVE-2017-5075,
      CVE-2017-5076, CVE-2017-5078, CVE-2017-5083 and CVE-2017-5089
   * Added support for macOS 10.12 Sierra.
   * Backported various crash and assertion fixes.

 - QtWebEngineCore:
   * [QTBUG-51244, QTBUG-54795] Fixed select control issues.
   * Fixed several focus issues.
   * Fixed regression with fine-grained wheel events.
   * [QTBUG-54221] Fixed editing short-cuts in plugins.
   * [QTBUG-54222] Fixed potential infinite loop on history load.
   * Fixed Flash plugin clipboard access.

****************************************************************************
*                      Platform Specific Changes                           *
****************************************************************************

 - Linux:
   * [QTBUG-55367] Fixed reading timezone when running sandboxed.
   * Fixed crash when using Wayland QPA.
   * Improved OpenGL check, so EGL/GLES2 mode can be used with Desktop
     OpenGL if the driver has the ARB_ES2_compatibility extension.

 - Windows:
   * It is no longer possible to build on a 32-bit Windows host, but
   32-bit binaries can still be built on a 64-bit host.
   * [QTBUG-52201, QTBUG-55501, QTBUG-56020] Fixed crashes and asserts
     upon initialization of the global shared OpenGL context.