MongoDB $weeklyUpdate (Mar 04, 2022): Offline-First Apps, Migrating Synced Realm Schemas, Using Map Data in SwiftUI App, & more!
Tags: mongodb, mobile, swift, programming
Published: 2022-03-04 19:10:27

## 👋 Hi everyone!

Welcome to MongoDB $weeklyUpdate! 

Here, you'll find the latest developer tutorials, upcoming official MongoDB events, and get a heads up on our latest Twitch streams and podcast, curated by [Adrienne Tacke](https://twitter.com/AdrienneTacke).

Enjoy!

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## 🎓 Freshest Tutorials on [DevHub](https://developer.mongodb.com/)
_Want to find the latest MongoDB tutorials and articles created for developers, by developers? Look no further than our [DevHub](https://developer.mongodb.com/)!_


### [Build Offline-First Mobile Apps by Caching API Results in Realm](https://www.mongodb.com/developer/how-to/realm-api-cache/)

[Andrew Morgan](https://twitter.com/andrewmorgan)
This article shows how the RCurrency mobile app fetches exchange rate data from a public API, and then caches it in Realm for always-on, local access.

### [Migrating Your iOS App's Synced Realm Schema in Production](https://www.mongodb.com/developer/how-to/realm-sync-migration/)

[Andrew Morgan](https://twitter.com/andrewmorgan)
What if you're using MongoDB Realm Sync to replicate your local Realm data with other instances of your mobile app and with MongoDB Atlas? That's what this article will focus on.

### [Migrating Your iOS App's Realm Schema in Production](https://www.mongodb.com/developer/how-to/realm-schema-migration/)

[Andrew Morgan](https://twitter.com/andrewmorgan)
This tutorial will step you through updating an existing mobile app to add some new features that require changes to the schema.

### [Using Maps and Location Data in Your SwiftUI (+Realm) App](https://www.mongodb.com/developer/how-to/realm-swiftui-maps-location/) 

[Andrew Morgan](https://twitter.com/andrewmorgan)
This article shows you how to embed Apple Maps into your app views using Mapkit's Map view.

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## 📅 Official MongoDB [Events](https://www.mongodb.com/events) & [Community Events](https://live.mongodb.com/events/#/list)
_Attend an official MongoDB event near you! Chat with MongoDB experts, learn something new, meet other developers, and win some swag!_

Mar 3-4 (London, United Kingdom) - [Big Data & AI World](https://rfg.circdata.com/publish/BDAIWL22/?source=MongoDB)

Mar 21-26 (San Francisco, United States) - [MongoDB @ Game Developers Conference](https://www.mongodb.com/events/mongo-db-gdc)


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## 📺 MongoDB on [Twitch](https://www.twitch.tv/mongodb) & [YouTube](https://www.youtube.com/channel/UCK_m2976Yvbx-TyDLw7n1WA)
_We stream tech tutorials, live coding, and talk to members of our community via [Twitch](https://www.twitch.tv/mongodb) and [YouTube](https://www.youtube.com/channel/UCK_m2976Yvbx-TyDLw7n1WA). Sometimes, we even stream twice a week! Be sure to [follow us on Twitch](https://www.twitch.tv/mongodb) and [subscribe to our YouTube channel](https://www.youtube.com/channel/UCK_m2976Yvbx-TyDLw7n1WA) to be notified of every stream!_


*Latest Stream*
{% youtube F9JV6NPfojA %}
 
🍿 [Follow us](https://www.twitch.tv/mongodb) on Twitch and [subscribe to our YouTube channel](https://www.youtube.com/channel/UCK_m2976Yvbx-TyDLw7n1WA) so you never miss a stream!

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## 🎙 Last Word on the [MongoDB Podcast](https://mongodb.libsyn.com/)

*Latest Episode*
{% spotify spotify:episode:6JblVGml4Wp7tesgXz6SRp %}

*Catch up on past episodes*:
Ep. 99 - [Exploring Growth Engineering at MongoDB](https://open.spotify.com/episode/2OBw9f4DJCowp5lMp8roPz?si=bDFUiCb9QBGLHZSFFkGXsw)

Ep. 98 - [Getting Started with Deno and MongoDB](https://open.spotify.com/episode/4iFy4vU4j9prgfx3PhDsxs?si=2QR7fPI7RE2dl7umD5w6Mw)

Ep. 97 - [Battlefy Esports Tournament Platform and MongoDB](https://open.spotify.com/episode/5Q8tbQcTcxxM1fWGU3GkBq?si=dUdiaUqyTjS--ERzxtUeSg)


(Not listening on Spotify? We got you! We're most likely on your favorite podcast network, including [Apple Podcasts](https://podcasts.apple.com/us/podcast/the-mongodb-podcast/id1500452446), [PlayerFM](https://player.fm/series/the-mongodb-podcast), [Podtail](https://podtail.com/en/podcast/the-mongodb-podcast/), and [Listen Notes](https://www.listennotes.com/podcasts/the-mongodb-podcast-mongodb-0g6fUKMDN_y/) 😊)

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💡 These $weeklyUpdates are always posted to the [MongoDB Community Forums](https://www.mongodb.com/community/forums/) first! [Sign up](https://account.mongodb.com/account/register) today to always get first dibs on these $weeklyUpdates and other MongoDB announcements, interact with the MongoDB community, and help others solve MongoDB related issues!