chore(compat): support macOS 14 (Sonoma) and later#78
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The app uses no macOS-26-only APIs (verified: builds clean against a 15.0 target, zero availability errors; all frameworks support far older — Sparkle 2 macOS 10.11+, SMAppService 13+, SF Symbols all pre-15). The 26.3 target was just the dev machine's OS, not a real requirement. Lowering it widens support to Apple's currently-maintained releases (26/15/14). - Azimuth.xcodeproj: MACOSX_DEPLOYMENT_TARGET 26.3 -> 15.0 (Debug + Release). - README / docs (index.html, EN+KO): 'macOS 26.3 (Tahoe)+' -> 'macOS 15 (Sequoia)+'; rewrote the FAQ that falsely claimed it 'uses APIs introduced in [Tahoe]'. - AGENTS.md / CLAUDE.md / CONTRIBUTING.md: deployment-target references updated. - SettingsCard comment: drop the 'Tahoe' style reference. Verified: build OK (15.0 target), test 160, lint 0, coverage PASS. Runtime smoke test on a real macOS 15 machine still recommended.
Same static-audit basis as the macOS 15 lowering: no macOS-15+-only APIs are used. Builds clean against a 14.0 target (zero availability errors); binding dependencies all support older — SMAppService macOS 13+, Sparkle 10.11+, all SF Symbols are macOS 11-era, and LSMinimumSystemVersion tracks the target ($(MACOSX_DEPLOYMENT_TARGET)) so it becomes 14.0 automatically. - Azimuth.xcodeproj: MACOSX_DEPLOYMENT_TARGET 15.0 -> 14.0 (Debug + Release). - README / docs (index.html, EN+KO) / AGENTS.md / CLAUDE.md / CONTRIBUTING.md: 'macOS 15 (Sequoia)' -> 'macOS 14 (Sonoma)'. macOS 14 covers all three of Apple's currently-maintained releases (26/15/14). Verified: build OK (14.0 target), test 160, lint 0, coverage PASS. Runtime smoke test on a real macOS 14 machine still recommended.
The manual's Requirements section listed four cards but never stated the OS requirement (unlike README/landing). Add a 'macOS version' card (macOS 14 / Sonoma or later) and bump the section subtitle four -> five. Bilingual EN/KO.
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Summary
Lower the deployment target from macOS 26.3 → 14.0, so Azimuth runs on all three of Apple's currently-maintained macOS releases (26 Tahoe / 15 Sequoia / 14 Sonoma). The 26.3 target was just the dev machine's OS, not a real requirement — the app uses no macOS-15+-only APIs.
Two commits: lower to 15 (Sequoia), then extend to 14 (Sonoma).
Static compatibility audit (the compiler alone isn't enough)
LSMinimumSystemVersion = $(MACOSX_DEPLOYMENT_TARGET)— a build variable, so it auto-becomes 14.0 (no hard-coded 26.3 gate). ✅SDKROOT=macosx), zero availability errors/warnings — the SDK's availability annotations gate anything newer than 14. ✅@available(macOS …)gates in the code.Changes
Azimuth.xcodeproj:MACOSX_DEPLOYMENT_TARGET26.3 → 14.0 (Debug + Release).Verification
build OK (14.0 target) · test 160 · lint 0 · coverage PASS · no 26.3/Tahoe/15/Sequoia refs remain.
Not covered here (follow-ups)
ai-screams/homebrew-tap): itsdepends_on macos: :sequoia(+ a stale "26.3" comment) must be lowered to:sonoma, otherwise macOS 14 users are blocked from installing via Homebrew despite app support. Tracked separately.