Qt 5.9.1 is a bug-fix release. It maintains both forward and backward
compatibility (source and binary) with Qt 5.9.0.

Qt 5.9 introduces many new features and improvements as well as bugfixes
over the 5.8.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/index.html

The Qt version 5.9 series is binary compatible with the 5.8.x series.
Applications compiled for 5.8 will continue to run with 5.9.

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.

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

 - Chromium Snapshot:
   * Security fixes from Chromium up to version 59.0.3071.104
    Including: CVE-2017-5070, CVE-2017-5071, CVE-2017-5075, CVE-2017-5076,
        CVE-2017-5077, CVE-2017-5078, CVE-2017-5079, CVE-2017-5083,
        CVE-2017-5088, CVE-2017-5089
   * Fixed building with WebRTC disabled

 - QtWebEngineCore:
   * [QTBUG-59690] Fixed issue with drops
   * [QTBUG-60588] Fixed error in updating user-agent and accept-language
   * [QTBUG-61047] Fixed assert in URLRequestContextGetterQt
   * [QTBUG-61165] Fixed building with spellchecker disabled
   * [QTBUG-61186] Fixed cancellation of upload folder dialogs
   * [QTBUG-61200] Fixed runtime crash when configured with -no-accessibility

 - QtWebEngine:
   * [QTBUG-57675] Fixed WebEngineNewViewRequest::requestedUrl when opening
     window from JavaScript


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

 - Linux:
   * [QTBUG-60886] Support building with system ICU 59
   * [QTBUG-61128] Support building on Aarch64 hosts

 - Windows:
   * [QTBUG-61170] Fixed building with plugins disabled
   * Re-enabled building on 32-bit Windows hosts

 - macOS:
   * [QTBUG-55165] Fixed WebRTC screen sharing on macOS
   * [QTBUG-60706] Find Google Chrome's flash plugin again
   * [QTBUG-60707] Fixed spellchecker installation error
   * [QTBUG-61413] Fixed erroneous extra rpath