Build notes
What hora's First Public Beta Broke in Five Days
Five days into hora's public beta, real calendars exposed SwiftData hangs, OAuth edge cases, and sync assumptions my test account never could.
Maciej Szamowski6 min read
April 2026
hora Calendar blog posts from April 2026: Mac calendar product updates, SwiftUI engineering notes, Google Calendar sync work, beta fixes, launch planning, and practical comparisons for people choosing a faster native calendar workflow.
Stories
Product updates
What I Wanted hora's First Public Beta to Prove
A founder note prepared before hora's first public TestFlight beta: what version 0.6 shipped, what I asked testers to break, and what changed next.
Maciej Szamowski6 min read
Engineering
Real-Time Google Calendar Sync on macOS
How hora uses Google Calendar watch channels, a Cloudflare Worker, APNs, and fallback polling to keep its native Mac calendar fresh and reliable.
Maciej Szamowski10 min read
Engineering
Native vs Electron vs PWA for Mac Apps
Native, Electron, or PWA for a Mac app? A practical comparison of runtime, OS integration, performance, and the tradeoffs behind hora Calendar.
Maciej Szamowski10 min read
Build notes
Six QA Groups and the Week hora Stopped Feeling Fragile
A founder note from hora 0.6: recurring deletes, widget deep links, RSVP gestures, editor polish, and the SwiftData migration I reverted.
Maciej Szamowski6 min read
Engineering
How I Fixed SwiftUI Appearance Switching on macOS
The real fix for a stale SwiftUI macOS window combined an explicit color scheme, adaptive styles, and a safer NSVisualEffectView bridge in hora.
Maciej Szamowski7 min read
Engineering
Diagnosing a SwiftUI Color Scheme Bug on macOS
A SwiftUI macOS window stayed in the old color scheme until focus changed. Here is the evidence, the failed fixes, and what my first tests missed.
Maciej Szamowski7 min read
Build notes
Week One Building hora: 107 Commits Later
A candid snapshot of hora's first ten days: 107 commits, three Swift packages, 21 resolved issues, useful workflows, and plenty still rough.
Maciej Szamowski7 min read