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Jun 5 • 9 tweets • 7 min read
For folks coming to today’s Developer Center open house at #WWDC22, coffee and donuts from Caffè Macs 😋 Apple employees serving up coffee and donuts to folks waitin
And we’re in! #WWDC22
“The jacket that never occurred” 🤯 This is what *would* have been for WWDC20 attendees. #WWDC22 A brightly colored jacket with the tag WWDC20.
All the room names are from macOS releases! #WWDC22 PantherTigerLeopardEl Capitan
These rooms are packed with technology – it’s like an Apple Store just for developers 🤩 #WWDC22 A small room with a whiteboard, large wooden table, and a biA larger room with many chairs and a huge screen at the fronA walkway with large concrete pillars and glass all down oneA room with many pieces of paper on a table.
Here’s the Big Sur theater, which is 🤯 in a room. #WWDC22 A row of theater seating, with a dark blue screen at the froA man speaking on stage, with Developer Center on a screen bA super wide screen showing Xcode, iPhone, and iPad side by The words WWDC22 on a huge screen.
Did someone mention #WWDC22 swag? 😎 A WWDC22 bag with the Swift logo.A hat embossed with the Swift logo.A water bottle with the Apple logo.New badges: Hello, a V sign hand, a Swift logo, a cowboy emo
They went to *extraordinary* lengths to add fun little things throughout the building, including Easter eggs to unlock, classic pieces of equipment, and more. A fun tour! #WWDC22 An iMac showing some code, with a particular line pointed ouA whiteboard fill with notes and drawings.Sketches on a table, with post-it notes overlaid.A 20th Anniversary Macintosh, with a 2002 Apple Design Award
So, er, I know it’s a little late for this, but for the next week you might want to mute me and/or #WWDC22 if you’re not an Apple developer 😅

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More from @twostraws

Paul Hudson Profile picture
Dec 15, 2021
Swift Playgrounds 4 is out, and it's a thing of beauty – incredible speed, brilliant code completion, and many tweaks and improvements that make building SwiftUI apps a joy. Full review here: hackingwithswift.com/articles/244/s…
TL;DR:

- You can now build SwiftUI apps right on your iPad.
- You can use UIKit if you prefer.
- You can ship your apps to the App Store straight from your iPad.
- It supports SPM packages from GitHub.
- It ships with Swift 5.5 and all its concurrency awesomeness.
Most of all, the *speed*. It's ridiculous, and I don't even have an M1 iPad Pro – every tiny change becomes interactive almost instantly, and it's like having an iPhone permanently docked on the right-hand side of your editor.
Read 4 tweets
Paul Hudson Profile picture
Jun 8, 2021
A love letter to Xcode 13, in 5 GIFs. Part one: it will automatically import frameworks as needed. #WWDC21
Part two: it spots when you're trying to unwrap an optional and completes it for you. #WWDC21
Part three: it's able to complete properties inside properties, making things like "view.corn" complete into "view.layer.cornerRadius". #WWDC21
Read 6 tweets
Paul Hudson Profile picture
Jun 8, 2021
What's new in SwiftUI for iOS 15? I just spent an hour and 20 minutes answering that question with lots of live code examples – and, inevitably, my dogs 😅 Watch the replay here:
And now I’m going to make a snack, pour a glass of wine, and get busy writing – the night is still young 😎
Writing done with one minute to spare before the day ends! What’s new in SwiftUI for iOS 15, including AsyncImage, pull to refresh, swipe actions, and more, *plus* 37 all-new Xcode 13 project downloads for sample code: hackingwithswift.com/articles/235/w… #WWDC21
Read 5 tweets
Paul Hudson Profile picture
Jun 7, 2021
Lots of information about the #WWDC21 Digital Lounges:

- It's all on Slack (wwdc21.slack.com)
- Tap the lightning bolt to request help.
- Questions will be posted through a dedicated "Ask a question" form.
- Each lounge has dedicated activities throughout the week.
It's super tightly moderated, which makes sense – you can't post freely in the channels or message other attendees. An exception appears to be the study halls, where free conversation is allowed for the Developer app challenges. These challenges are sounding fun!
Over 5000 people have already joined the Slack, so I'm already feeling much love and respect for the Apple team tasked with moderating this. Please be considerate attendees, folks!
Read 5 tweets
Paul Hudson Profile picture
Mar 23, 2021
80,000 words later, I finally published Swiftly Speaking transcripts for Carola Nitz, Chris Lattner, Mayuko Inoue, Ish Shabazz, and Jordanna Kwok. Transcribing takes a ton of work, but I know it benefits folks who can't watch the videos 🙌 Find them here: hackingwithswift.com/interviews
I updated the site to include quick links to each interview, and while you're reading a section it now includes a date plus a link to the full YouTube video if you'd prefer to watch the original recording. Small things, but hopefully helpful! Let me know if you spot any typos 😅
Each speaker gave up lots of time to answer questions from the audience – here's just one from each of them:

- @_caro_n on what makes a great programming conference: hackingwithswift.com/interviews/car…

- @clattner_llvm on how Swift changed the programming landscape: hackingwithswift.com/interviews/chr…
Read 5 tweets
Paul Hudson Profile picture
Nov 17, 2020
My M1 MacBook Pro arrived today. Chances are you have various questions, but I think a whole lot is summed up in this 50-second video. (Alt text, because Twitter still doesn't make this easy: Xcode 12.3 beta unzips in 5 minutes on an M1, vs 13 minutes 22 seconds on an Intel i9)
It's clear why Apple mentioned coding in the keynote – M1 is screamingly fast for developers. I almost feel sorry for Intel!

My Unwrap project (13k lines Swift, 10k Obj-C, more) was 19.5s on Intel vs 11.7 on M1.

AudioKit (39k C, 27k Swift, 12k C++) was 73s on Intel vs 31 on M1.
Keep in mind this comparison is deeply unfair: my 16-inch MacBook Pro was literally maxed out just a year ago – 8 cores, 64GB RAM, and much more, costing $6000.

In comparison the M1 costs just $2000 and manages to hammer the Intel machine with a quarter of the RAM.
Read 9 tweets

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