Hello Developer: April 2026

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Apr 7, 2026, 3:44:41 PMApr 7

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HERE’S TO 50 MORE

Hello Developer

The words 'Hello World' floating against a space background with the Earth floating beneath.

Apple Developer is now on bilibili and LinkedIn

Check out these new ways to get the latest news, announcements, videos, and events for the developer community.

Follow on bilibili

Follow on LinkedIn

MEET WITH APPLE

Discuss Swift concurrency with Apple experts

Join us April 23 for a live online deep dive into Swift concurrency with Apple engineers to ask questions, gain insights, and learn best practices for migrating or adopting Swift concurrency in your apps and libraries. Please note you’ll need a free Apple Developer Forums account to participate in the Q&A.

Create an account

GET READY FOR WWDC26

Brush up on the essentials

With WWDC26 on the horizon, now is a great time to make sure your apps and games are in their best shape. Dig into these foundational sessions to ensure you’re ready for what’s next.

Browse videos

Meet your community at WWDC26

Request a chance to attend the Apple Developer Community Meetup, an evening of connection and conversation during WWDC week.

Apple Developer Center Cupertino
Wednesday, June 10
7–10 p.m. PT

Learn more and request to attend

Two iPhones side by side, each displaying an app screen. The left screen shows the “Wishlist” app with a photograph of a lizard on a leaf titled “Maui Rainforest.” The right screen shows a “Goals” tab with a “Fall Explorer” badge featuring a 3D illustration of a kayak, alongside other badges.

SAMPLE CODE

Build a travel wishlist
with SwiftUI

Back in February, we hosted a foundational activity designed to help you sharpen your understanding of core concepts and write strong, performant code. Today, we’re happy to present the sample code for Wishlist, the sample app featured in the video. Check it out to explore best practices for data flow, layout, and animation, and to dig into approaches for building upon the system with custom font styles and engaging, powerful Views.

Explore the sample code

Watch the video

A close-up, angled view of a digital document on a screen. The document features text and a large photo of an orange poppy against a bright blue sky. A toolbar in the new design and Liquid Glass with icons for a timer, a paperclip, a compass, and a stylized atom sits on the left side of the image.

DESIGN GALLERY

Catch the new design
in the wild

In the latest edition of our app gallery, find out how teams are taking advantage of the new design and Liquid Glass to create natural, responsive experiences across Apple platforms.

Explore the gallery

A MacBook displaying Safari. The open page is App Store Connect, showing the Analytics tab for an example app called Exercise App. The dashboard displays line graphs and data for first-time downloads, re-downloads, conversion rates, and other metrics.

GROW YOUR BUSINESS

New In-App Purchase and subscription data now available in Analytics

The biggest-ever update to Analytics in App Store Connect includes more than 100 new metrics, new peer group benchmarks, and a refreshed experience that makes it easier to measure performance.

Learn more about Analytics

Browse the Analytics guide in App Store Connect Help

UPDATES

Note about UIScene life cycle when using UIKit

Developers using UIKit: Update your app to receive scene-based life-cycle events and manage your user interface using scene objects and methods.

Learn more

NEW DOCS

Running a machine learning model on the GPU timeline

Enabling advanced security for your app

Drawing a triangle with Metal 4

Read the Metal Performance Primitives Programming Guide

NEW TECHNOTES

Low-latency communication with RDMA over Thunderbolt

Resolving architecture build errors on Apple silicon

View all documentation updates

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Share your thoughts

We’d love to hear from you. If you have suggestions for activities or stories, please let us know.