Revision control
++ 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:
++
++
++ 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:
++
++
++ Each of these identifiers can be entered in the bug tracker to obtain more
++ information about a particular change.
++
++ ****************************************************************************
++ * QWebSocket *
++ ****************************************************************************
++
++ - Added the bytesToWrite function to QWebSocket. Call this function to see
++ how many bytes are left to write.
++
++ ****************************************************************************
++ * QWebSocketServer *
++ ****************************************************************************
++
++ - Introduced nativeDescriptor and setNativeDescriptor. These functions are
++ replacing socketDescriptor and setSocketDescriptor which are now
++ deprecated.
++
++ ****************************************************************************
++ * Platform Specific Changes *
++ ****************************************************************************
++
++ Wasm
++ -----
++ - [QTBUG-70339] Add support for WebSockets on Qt for WASM