182152 2018-01-25 15:14:33 -0800 REGRESSION (r221899): Web Content process hangs when webpage tries to make a new window if the WKWebView doesn’t have a UI delegate 2018-01-26 01:19:47 -0800 1 1 1 Unclassified WebKit WebKit2 Other Unspecified Unspecified RESOLVED FIXED InRadar, Regression P1 Normal --- 1 mitz achristensen achristensen beidson cgarcia joepeck oldest_to_newest 1393317 0 mitz 2018-01-25 15:14:33 -0800 rdar://problem/36881934 If the webpage tries to create a new window, and the WKWebView doesn’t have a UI delegate, the Web Content process will hang. This was introduced in <https://trac.webkit.org/r221899> (the change made for bug 176568). It made the base implementation of API::UIClient::createNewPage() just return, instead of calling the completion handler with a null pointer. This leaves the Web Content process blocked waiting indefinitely. 1393355 1 332335 achristensen 2018-01-25 16:43:07 -0800 Created attachment 332335 Patch 1393375 2 332335 joepeck 2018-01-25 17:29:01 -0800 Comment on attachment 332335 Patch View in context: https://bugs.webkit.org/attachment.cgi?id=332335&action=review r=me > Tools/TestWebKitAPI/Tests/WebKitCocoa/UIDelegate.mm:100 > + TestWebKitAPI::Util::run(&done); While it might not matter right now, I think you should be setting `done = false` in here so this Util::run really waits for your done condition and not an earlier test's done condition. 1393376 3 achristensen 2018-01-25 17:31:21 -0800 trac.webkit.org/r227647 1393474 4 cgarcia 2018-01-26 01:19:47 -0800 Fixed GTK/WPE in r227670: <https://trac.webkit.org/changeset/227670> 332335 2018-01-25 16:43:07 -0800 2018-01-25 17:29:01 -0800 Patch bug-182152-20180125164307.patch text/plain 8528 achristensen SW5kZXg6IFNvdXJjZS9XZWJLaXQvQ2hhbmdlTG9nCj09PT09PT09PT09PT09PT09PT09PT09PT09 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