Lucas Martin (@lucasmart)

Live Activities in Expo: Build a Lock Screen and Dynamic Island Tracker with expo-widgets

Live Activities are the iOS feature users notice most: the food delivery countdown on the Lock Screen, the ride arriving in the Dynamic Island, the match score that updates while the phone sits on the

Oct 19 · 8 min readlucalucas.hashnode.dev

Native Postgres, PGlite, or In-Memory? Choosing a Postgres Engine for Local Supabase Development

"Run Postgres locally" used to mean one thing: install Postgres, or start it in Docker. Now there are at least three very different options, and each one is good at a different job: Native Postgres:

Oct 15 · 7 min readlucalucas.hashnode.dev

Self-Reverting OTA Updates: Metric-Gated EAS Update Rollouts with PostHog

Over-the-air updates are the best and scariest part of shipping an Expo app. A JavaScript fix can reach every user in minutes, and so can a JavaScript bug. The standard advice is "roll out gradually a

Oct 12 · 8 min readlucalucas.hashnode.dev

Your AI Agent Wrote the Migration. Did It Turn RLS On? A 10-Minute Supabase Audit for Expo Apps

You ask your coding agent for a "notes" feature. Ten minutes later you have a table, a screen, a hook and a working demo. Everything renders, the data loads, and the agent says it's done. What it may

Oct 1 · 8 min readlucalucas.hashnode.dev

Privacy Policy + App Store Data Safety: The Compliance Checklist That Actually Passes Review (2026)

Store policies change often. Use this as a working checklist, confirm details against Apple's and Google's current docs, and get legal advice for anything specific to your business. This is not legal

Sep 24 · 13 min readlucalucas.hashnode.dev

Lucas Martin

About

Available for

Lucas Martin's blogs

Live Activities in Expo: Build a Lock Screen and Dynamic Island Tracker with expo-widgets

Native Postgres, PGlite, or In-Memory? Choosing a Postgres Engine for Local Supabase Development

Self-Reverting OTA Updates: Metric-Gated EAS Update Rollouts with PostHog

Your AI Agent Wrote the Migration. Did It Turn RLS On? A 10-Minute Supabase Audit for Expo Apps

Privacy Policy + App Store Data Safety: The Compliance Checklist That Actually Passes Review (2026)

Lucas Martin

About

Available for

Lucas Martin's blogs

Live Activities in Expo: Build a Lock Screen and Dynamic Island Tracker with expo-widgets

Native Postgres, PGlite, or In-Memory? Choosing a Postgres Engine for Local Supabase Development

Self-Reverting OTA Updates: Metric-Gated EAS Update Rollouts with PostHog

Your AI Agent Wrote the Migration. Did It Turn RLS On? A 10-Minute Supabase Audit for Expo Apps

Privacy Policy + App Store Data Safety: The Compliance Checklist That Actually Passes Review (2026)

Lucas Martin

About

Available for

Lucas Martin's blogs

Live Activities in Expo: Build a Lock Screen and Dynamic Island Tracker with expo-widgets

Native Postgres, PGlite, or In-Memory? Choosing a Postgres Engine for Local Supabase Development

Self-Reverting OTA Updates: Metric-Gated EAS Update Rollouts with PostHog

Your AI Agent Wrote the Migration. Did It Turn RLS On? A 10-Minute Supabase Audit for Expo Apps

Privacy Policy + App Store Data Safety: The Compliance Checklist That Actually Passes Review (2026)

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Lucas Martin

About

Available for

Lucas Martin's blogs

Live Activities in Expo: Build a Lock Screen and Dynamic Island Tracker with expo-widgets

Native Postgres, PGlite, or In-Memory? Choosing a Postgres Engine for Local Supabase Development

Self-Reverting OTA Updates: Metric-Gated EAS Update Rollouts with PostHog

Your AI Agent Wrote the Migration. Did It Turn RLS On? A 10-Minute Supabase Audit for Expo Apps

Privacy Policy + App Store Data Safety: The Compliance Checklist That Actually Passes Review (2026)