195769 2019-03-14 15:06:46 -0700 Active EventSource prevents window.print() from working in Safari 12 2019-03-16 13:24:51 -0700 1 1 1 Unclassified WebKit Printing Safari 12 Mac macOS 10.13 NEW https://jsfiddle.net/43ufcxkw/ InRadar P2 Normal --- 1 danlec webkit-unassigned thorton webkit-bug-importer oldest_to_newest 1516672 0 danlec 2019-03-14 15:06:46 -0700 Repro: 1. Visit a site with an active event source, e.g. https://simpl.info/eventsource/ 2. Run window.print() from the console Expected: Print dialog opens, or some indication that a print is being attempted Actual: Nothing happens Related: I expect this is also the cause of https://github.com/launchdarkly/js-client/issues/121 1516686 1 danlec 2019-03-14 15:12:23 -0700 If it's helpful, I have a simple repro at https://jsfiddle.net/43ufcxkw/ The print on that page works in Chrome 72, but does not work in Safari 12. 1517002 2 danlec 2019-03-15 09:53:59 -0700 As a workaround, document.execCommand('print') does appear to work in Safari. 1517462 3 webkit-bug-importer 2019-03-16 13:24:51 -0700 <rdar://problem/48955771>