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●GPT-6.1 SOL — Added to Rork's model menu (09-29) with Low, Medium and High effort; included on Pro and Max●SONNET 5.5 — Claude Sonnet 5.5 is selectable: strong at UI design and faster than Sonnet 5 (09-28)●SDK 58 — Expo SDK 58 is out of beta as of 10/15 (beta since 09/15). Check your dependencies before upgrading●WIDGET — A write-up traces an iOS widget that renders black only in production builds●OBSERVE — EAS Observe now records native crashes too (SDK 57.0.21 or later, 10/07)●NEW — My App Open Ad Only Showed When the App…●GPT-6.1 SOL — Added to Rork's model menu (09-29) with Low, Medium and High effort; included on Pro and Max●SONNET 5.5 — Claude Sonnet 5.5 is selectable: strong at UI design and faster than Sonnet 5 (09-28)●SDK 58 — Expo SDK 58 is out of beta as of 10/15 (beta since 09/15). Check your dependencies before upgrading●WIDGET — A write-up traces an iOS widget that renders black only in production builds●OBSERVE — EAS Observe now records native crashes too (SDK 57.0.21 or later, 10/07)●NEW — My App Open Ad Only Showed When the App…
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Background Refresh

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Rork3Expo3iOS2BGTaskScheduler2React Native2StoreKit 21Subscription1
⬡ Rork Dev/2026-05-28Intermediate

Tracking Down BGTaskScheduler.submit Error Code=1 (Unavailable) in Rork iOS Apps

When BGTaskScheduler.submit returns Error Code=1, the cause space is finite — six of them. Covers telling Code=1 from Code=3, the identifier trap in Expo-based Rork apps, submitting from a widget extension by mistake, and a getPendingTaskRequests self-check.

⬡ Rork Dev/2026-05-07Advanced

Keeping Rork Apps Fresh While Closed — iOS BGTaskScheduler, Silent Push, and Android WorkManager

Silent Pushes that never arrive. A BGTaskScheduler that stays quiet. This is how I pushed background refresh in a Rork-built app up to production quality on both iOS and Android — and what the success-rate numbers told me to fix first.

⬡ Rork Dev/2026-05-27Advanced

Three-Layer StoreKit 2 Entitlement Sync for Rork Apps: Launch, Background Refresh, and Restore

When you wire StoreKit 2 subscriptions into a Rork-generated app, Transaction.updates alone leaves gaps. Here is the three-layer sync I run across six wallpaper apps — launch-time re-evaluation, Background App Refresh, and Restore Purchase — including measured refresh rates and the AdMob revenue I recovered.