Plan iOS 27 subscription Bundles and Suites with StoreKit 2, entitlement mapping, upgrades, refunds, multiseat settings, and recovery tests.
Use OpenAI background mode with verified webhooks, idempotent recovery, polling fallbacks, retention checks, and a testable job state machine.
Use this Unity ECS mobile VR optimization guide to split world rendering from close interaction, then measure batches, LOD, physics and headset frame time.
Build a Safari 27 customizable select with base-select, picker pseudo-elements, selectedcontent, keyboard semantics and a native fallback.
Use the Windows Age API with consent, null-safe age ranges, verification status, family defaults and privacy-first feature decisions.
Use Android Motion Assist on Android 17, choose automatic or manual activation, tune its moving bubbles and test comfort from the passenger seat.
Use this GPT-Live-1 API architecture guide to design voice sessions, backend delegation, interruption tests, transcripts and cost controls.
Use this visionOS 27 RC submission checklist to verify build identity, windows, immersion, input, comfort, privacy, TestFlight and App Store assets.
Safari 27 top-level await is now spec-compliant. Test module graphs, startup waterfalls, errors and older-browser fallbacks before removing workarounds.
The Windows Project Zenith developer PC promises a ready-to-code setup and large local models. Use this guide to decide what to measure before buying.