The recommended replacement was already gone — auditing all 74 rows of Gemini's deprecation table
Cross-checking Gemini's deprecation table turned up five rows where the recommended replacement had itself already shut down, including gemini-2.5-flash-image, which goes away on October 2. Here is how to verify a migration target, and how to catch the 404 before your users do.
Adding a Single Zod Validation Boundary to Rork's Generated Fetch Code
The network code Rork generates implicitly trusts the shape of the response. When the API shifts, the screen quietly goes blank. Here is how to slip a single Zod parse layer between the generated UI and the network to make failures predictable, with numbers from real operation.
When the Device Runs Out of Space, What Should Your App Protect?
Design Expo/React Native apps that assume writes can fail. Free-space budgets, LRU reclaim, data-protection tiers, and telemetry that surfaces silent failures — drawn from running six wallpaper apps.
Fixing 'No bundle URL present' on a Release Build to a Real iOS Device
How to read the 'No bundle URL present' error that shows up when you build a Rork-exported app locally in Xcode. We separate the Metro-connection case from the missing-embedded-bundle case, and walk through generating an offline bundle by hand with working commands.
Fixing 'TurboModuleRegistry.getEnforcing could not be found' in Rork
A practical walkthrough of the 'TurboModuleRegistry.getEnforcing(...): could not be found' error that became common once the New Architecture went default. Covers Expo Go vs. dev builds, when a native rebuild is required, and how to isolate libraries that aren't New Architecture-ready.
How to Track Down 'undefined is not an object' Errors in Rork — Fast
Read Hermes' 'undefined is not an object' error correctly in Rork — five typical causes with code, plus debugging steps when stack traces look unhelpful.
Designing Rork Apps That Don't Let Users Down on Bad-Signal Days — UX Patterns for Unstable Networks
After shipping a Rork app, the #1 reason I was losing review stars wasn't a crash — it was 'the screen just stays blank.' Here's how I redesign loading, empty, and error states so the experience gracefully degrades on flaky connections.
Error Handling and Crash Prevention in Rork Apps — Essential Techniques for Building Stable Applications
Learn the fundamentals of error handling and crash prevention in Rork apps. Covers try-catch patterns, Error Boundaries, network error handling, and debugging techniques for beginners.
Advanced Error Handling, Debugging & Production Monitoring in Rork Max — Building Bulletproof Apps
Practical patterns for bringing production-grade resilience to Rork Max apps: layered Error Boundaries, global error handlers, structured logging, and Sentry/Crashlytics integration — plus delta-based monitoring and log-sampling lessons from running several apps in production.