Safari 17: safari.self.addEventListener doesn't work in about:blank after window.open() #48

lapcat · 2024-06-17T13:25:03Z

In Safari 17 app extensions, safari.self.addEventListener doesn't appear to do anything in about:blank windows that are created by calling window.open(). This is a regression, because it worked as expected in Safari 16.6.1.

Attached is a sample Safari app extension Xcode project to demonstrate the bug.
AboutBlankBug.zip

Below is the source for a sample HTML page to demonstrate the bug. For some reason, Github doesn't allow attaching HTML files.

<!DOCTYPE html>
<html>
<head>
<title>about:blank bug</title>
</head>
<body>
<h1>about:blank bug</h1>
<p>
<button type="button"><code>window.open()</code></button></p>
<script>
document.querySelector("button").addEventListener("click", (event) => {
    window.open();
});
</script>
</body>
</html>

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Safari 17: safari.self.addEventListener doesn't work in about:blank after window.open() #48

Safari 17: safari.self.addEventListener doesn't work in about:blank after window.open() #48

lapcat commented Jun 17, 2024

Safari 17: safari.self.addEventListener doesn't work in about:blank after window.open() #48

Safari 17: safari.self.addEventListener doesn't work in about:blank after window.open() #48

Comments

lapcat commented Jun 17, 2024