Sessions from the Apple Worldwide Developer Conference, WWDC 2026.
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A Podkey summary of SwiftData Group Lab (https://developer.apple.com/videos/play/wwdc2026/8017/), from WWDC 2026.
A lot of the interesting SwiftData questions right now are less about hello-world code and more about what happens when the app gets complicated. Shared stores, widgets, CloudKit, huge datasets, migrations, concurrency, and the little practical patterns that keep the whole thing from getting weird at scale all came up here. And the nice through-line is that most of the advice is pretty grounded: keep ownership clear, fetch less, test old stores, and don’t ask lightweight processes like widgets to do heavyweight jobs.
One database, one grown-up in charge
Big data without melting memory
Useful sample data and real migration testing
Query, ResultsObserver, and history replay
What SwiftData still doesn’t do
Small patterns that prevent annoying bugs
App groups, widgets, and CloudKit boundaries
Schemas, migrations, and how to talk to the user
Concurrency, contexts, pagination, and custom backends
Enums and sign-off
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19 Jun 2026
Machine Learning & AI Group Lab
A Podkey summary of Machine Learning & AI Group Lab (https://developer.apple.com/videos/play/wwdc2026/8016/), from WWDC 2026.
A lot of Apple AI development right now comes down to one practical question: what belongs on the device, and what belongs in the cloud. The big themes here are trade-offs, measurement, and graceful fallback. Faster isn't always simpler, cloud isn't always slower, and the teams that do this well are the ones actually testing their assumptions instead of guessing.
On-device or private cloud
The evaluation framework matters more than the debate
Latency is more nuanced than people think
Model updates and version reality
Background execution and the limits of local AI
Custom models, fine-tuning, and size constraints
Migration paths and PyTorch experimentation
Graceful user experience when AI isn't available
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19 Jun 2026
App Store Connect Group Lab
A Podkey summary of App Store Connect Group Lab (https://developer.apple.com/videos/play/wwdc2026/8010/), from WWDC 2026.
A lot of the App Store Connect news this week comes down to one theme: fewer blind spots. Apple is tightening up how submissions, testing, analytics, and access control all fit together, while also giving developers better ways to present apps and understand what’s actually working. There’s also a pretty clear push toward smoother workflows, from bundled in-app purchase review to richer subscription metrics, plus some practical reminders around security, localization, and the little mistakes that still get apps bounced in review.
Submission flow gets more unified
Store pages get more visual and more testable
Analytics finally gets deeper
Automation, APIs, and the overlooked useful stuff
Testing and review still reward the basics
Localization and accessibility get more practical
Platform strategy and featuring odds
One more thing on AI and release timing
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