It wasn't really possible to grok AppKit development without properly understanding the responder chain, but it is far less critical to your ability to make apps on iOS. That doesn't mean it's not useful though! Bruno Rocha has some thoughts on it.
It's also worth mentioning that John Fox talked quite a bit about the responder chain in this week's iDeveloper podcast. Give it a listen.
What happens when you realise your watchOS app doesn't actually need much of a UI at all? You build a complication, of course. This is a fantastic article from Kuba Suder with everything you need to know about making an app for a tiny section inside a tiny screen. 😀
Ideally, we’d love to fully switch to Apple’s
os_log API. However, it has one major downside: There’s still no way to access the rolling log to add to the reports that get sent back to us.
There are ways though, as Peter Steinberger explains here.
I'm honestly not sure what to think of this... Is it a vision of the future, or the work of an evil genius? This is Jason Zurita talking about how to write a Swift powered web site using AWS Lambda functions. I don't see this as a particularly practical way to approach web development, but it's worth a read.