Ralf Becker 65294a3e19 fix error on window closing in Chrome 80+
caused by Chrome 80+ no longer allowing to send a synchronious ajax request from beforeunload handler, using sendBeacon (async request with keepalive=true) instead
2020-03-02 10:43:19 +01:00
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2020-02-12 11:42:31 +01:00