Here’s a PNG that will show a different image in Apple Software

This is wild: while writing his own parallel-decodable PNG implementation, David Buchanan discovered he had a bug in his code. Soon after, he found out Apple has the same bug in their implementation which ships with macOS and iOS. As a result, it’s possible to craft a PNG in such a way that Apple’s decoder …

Chrome is the new Safari. And so are Edge and Firefox.

Niels Leenheer also shares his views on the whole “all browsers on iOS are WebKit because Apple says it needs to be”-thing: Apple requires browsers to use WebKit. In fact, it must use the system-provided WebKit framework. Even though WebKit is open-source, you can’t modify or improve that version and use that in your app. …

Talking to the Competition and Markets Authority about Browser Choice on Apple’s iOS

I you want to get the summary about browser choice on iOS, Stuart Langridge has got you covered: Last week I sat down with the UK Competition and Markets Authority, the regulator, to talk about browser choice on Apple devices, and whether the claims that limiting choice is good for security and privacy actually hold …

Your relationship with Apple: It’s complicated

This tweet by Niels Leenheer on his relationship with Apple hit more than close to home: My complex relationship with Apple: 1️⃣ As a customer I love their products. 2️⃣ As a developer I love their platform and hate their policies. 3️⃣ As a consumer I think they are greedy and hurting competition. 4️⃣ As …

Don’t charge your MacBook Pro from the left side. Use the right side.

Ever since September 2019 I had this issue with my MacBook Pro where kernel_task would sometimes spike up to > 1000% (!) CPU load and drain my battery – even while connected to a charger. Second time this month kernel_task (with pid 0) decided to go nuts and drain my battery until my macbook shut …

Installing old OS X versions: fixing “OS X could not be installed on your computer”

Here in Belgium schools are locked down due to #coronavirus. With the school of my two oldest kids now switching to remote teaching, I took the time to set up my old MacBook Pro (model late 2008) for my two oldest kids to use. That didn’t go without any hiccups though: the OS X installer …

New WebKit Features in Safari 13.1

This year’s spring releases of Safari 13.1 for macOS Catalina, iPadOS, iOS, and watchOS bring a tremendous number of WebKit improvements for the web across Apple’s platforms. All of this with many more updates for improved privacy, performance, and a host of new tools for web developers. These features stand out to me: Pointer and …

“But Apple does it that way”

Adrian Roselli: It is not uncommon that I raise an accessibility or usability issue with a client’s design or implementation and am met with either “But Google does this”, or “But Apple does this.” Mostly it is the default response to any issue I raise, but it is far worse when it is a reaction …