Posts tagged with: Performance

3 posts found

All Development AI Apple Vibe Coding SwiftUI Announcements

A close-up black and white photograph of a mechanical stopwatch — the kind a track coach would hold, not a Rolex — face-on, hands frozen mid-second.

Build Time Optimization for the Solo iOS Developer Running 5+ Apps

Day 30 of the 30-day iOS series. Real numbers, real DerivedData chaos, and the three things that actually move the needle on Xcode build times when you're maintaining multiple apps on one machine.

July 1, 2026 9 min read

A laptop screen showing a dark-mode analytics dashboard with line and bar charts tracking load time, bounce rate, and session metrics.

Swift SwiftUI

@Observable vs ObservableObject: What 1,000 Rows and a Redraw Counter Actually Showed Me

Day 13 of the 30-day iOS series. I built a redraw counter into BrewLog, put 1,000 rows in two identical lists side by side — one backed by @Observable, one by ObservableObject — and toggled a single favorite ten times. The row counts tied 10-10. The list counts didn't. Here's the real number, and exactly where it comes from.

June 12, 2026 13 min read

Orange and teal ink diffusing through water, translucent layers blending and morphing into each other — the visual metaphor for layering and morphing Liquid Glass effects.

Swift SwiftUI

Custom Liquid Glass Components: When to Leave the Defaults (and the Three Mistakes That Kill Your Frame Rate)

glassEffect(.regular, in:) with a custom shape, two glass blobs that morph into each other with glassEffectID, and the three things that turn buttery Liquid Glass into a stutter machine. Built on a real iPhone 17 Pro simulator, with the TDD seam that keeps the decision testable even though the render isn't.

June 4, 2026 12 min read