blog:2021-02-24_qt_about_qt_5.15

Qt 5.15 WebSocket document url:
https://doc.qt.io/qt-5/qtwebsockets-index.html
for open(),
https://doc.qt.io/qt-5/qwebsocket.html#open-1
It memos
- QWebSocket currently does not support WebSocket Extensions and WebSocket Subprotocols.
- QWebSocket only supports version 13 of the WebSocket protocol, as outlined in RFC 6455.

2021-02-24 Qt: About Qt 5.15 WebSocket