# Newsletter - April 2021

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| |---| | |---| | |---| |   | | Insert hidden preheader text here ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ | |   | | |---| | |---| | |---| |   | |   | |   | | | |---| | |---| | |---| |   | | |---| | [![Google Developers](https://lp.thinkwithgoogle.com/rs/172-GOP-811/images/2019-GdevLogo.png "Google Developers")](https://developers.google.com/?utm_medium=email-d&utm_source=newsletter&utm_team=googledevs&utm_campaign=2021-03-eng) | | |   | | | |---| | |---| | |---| |   | | |   |   | April, 2021 | |---|---|---| | |   | | | |---| | |---| | |---|---|---| |   ||| | | |---| | **I/O is back, online, and free for everyone** | | Google I/O returns May 18-20 with content available across many time zones. Register to get the most out of the digital experience: Build your schedule, reserve space, participate in Q\&A, earn Google Developer profile badges, and more. |---| | [Register now](https://events.google.com/io/?lng=en?utm_medium%3Demail-d&utm_source=newsletter&utm_team=googledevs&utm_campaign=2021-04-eng&utm_content=hero) | | |   | |   | [![I/O is back, online, and free for everyone](https://lp.thinkwithgoogle.com/rs/172-GOP-811/images/IO_21_Email_Template_Animation_0421.gif)](https://events.google.com/io/?lng=en?utm_medium%3Demail-d&utm_source=newsletter&utm_team=googledevs&utm_campaign=2021-04-eng&utm_content=hero) | |:---|---|---| | |   ||| | | |---| | |---| | |---| |   | | |---| |   | | |   | | | |---| | |---| | |---| |   | | | |---| | [![TL;DR Google Developer News](https://lp.thinkwithgoogle.com/rs/172-GOP-811/images/TLDR_April.png)](https://www.youtube.com/watch?v=ybCKc5oaB3w&list=PLOU2XLYxmsII8REpkzsy1bJHj6G1WEVA1&index=1?utm_medium%3Demail-d&utm_source=newsletter&utm_team=googledevs&utm_campaign=2021-04-eng&utm_content=video1) | | |---| |   | | Watch the latest from *TL;DR Google Developer News* |---| | [Tune in](https://www.youtube.com/watch?v=ybCKc5oaB3w&list=PLOU2XLYxmsII8REpkzsy1bJHj6G1WEVA1&index=1?utm_medium%3Demail-d&utm_source=newsletter&utm_team=googledevs&utm_campaign=2021-04-eng&utm_content=video1) | | |   | | |   | |---| | [![Accepting Google Developer Student Club 2021 lead applications](https://lp.thinkwithgoogle.com/rs/172-GOP-811/images/GDev_Student_Club_0421.jpg)](https://developers.googleblog.com/2021/04/google-developer-student-club-2021-lead.html?utm_team=googledevs&utm_campaign=2021-04-eng&utm_content=video2) | | |---| |   | | Accepting Google Developer Student Club 2021 lead applications |---| | [Apply now](https://developers.googleblog.com/2021/04/google-developer-student-club-2021-lead.html?utm_team=googledevs&utm_campaign=2021-04-eng&utm_content=video2) | | |   | | | |---|---|---| | **Featured Videos** | |   | | |   | | | |---| | |---| | |---| |   | | |---| |   | | |   | | | |---| | |---| | |---| |   | | | |---| | [![Voice AI Demo Day](https://lp.thinkwithgoogle.com/rs/172-GOP-811/images/GFSA_VoiceAI_SocialPost_WorldVoiceDay_Twitter_1200x675.png)](https://events.withgoogle.com/google-for-startups-accelerator-voice-ai-demo-day-2021/?utm_medium=email-d&utm_source=newsletter&utm_team=googledevs&utm_campaign=2021-04-eng&utm_content=content1) | | |---| |   | | [Register for Google for Startups Accelerator: Voice AI Demo Day](https://events.withgoogle.com/google-for-startups-accelerator-voice-ai-demo-day-2021/?utm_medium=email-d&utm_source=newsletter&utm_team=googledevs&utm_campaign=2021-04-eng&utm_content=content1) | |   | | |   | |---| | [![Android Auto](https://lp.thinkwithgoogle.com/rs/172-GOP-811/images/Android_auto_marks_stacked_Black_RGB_0421_new.png)](https://android-developers.googleblog.com/2021/04/start-your-engines-launch-new-android.html?utm_medium=email-d&utm_source=newsletter&utm_team=googledevs&utm_campaign=2021-04-eng&utm_content=content2) | | |---| |   | | [Publish New Android Auto Apps to Production](https://android-developers.googleblog.com/2021/04/start-your-engines-launch-new-android.html?utm_medium=email-d&utm_source=newsletter&utm_team=googledevs&utm_campaign=2021-04-eng&utm_content=content2) | |   | | |   | |---| | [![Accelerator Alumni Spotlight](https://lp.thinkwithgoogle.com/rs/172-GOP-811/images/Accelerator_Alumni_Spotlight_new.jpeg)](https://www.youtube.com/watch?v=-XTO5JwWnrw?utm_campaign%3Ddevshow_series__010721&utm_medium=email-d&utm_source=newsletter&utm_team=googledevs&utm_campaign=2021-04-eng&utm_content=content3) | | |---| |   | | [Tune into Accelerator Alumni Spotlight with Wisy Co-Founder](https://www.youtube.com/watch?v=-XTO5JwWnrw?utm_campaign%3Ddevshow_series__010721&utm_medium=email-d&utm_source=newsletter&utm_team=googledevs&utm_campaign=2021-04-eng&utm_content=content3) | |   | | | |---|---|---|---|---| | **Featured Content** | |   | | |   | | | |---| | |---| | |---| |   | | |---| |   | | |   | | | |---| | |---| | |---| |   | | Android / Google Play - **[Read](https://android-developers.googleblog.com/2021/04/android-12-developer-preview-3.html?utm_medium=email-d&utm_source=newsletter&utm_team=googledevs&utm_campaign=2021-04-eng&utm_content=android)** about the third developer preview of Android 12, and how you can start testing it. - **[Customize](https://android-developers.googleblog.com/2021/04/customize-kpis-on-your-google-play.html?utm_medium=email-d&utm_source=newsletter&utm_team=googledevs&utm_campaign=2021-04-eng&utm_content=android)** the KPIs section at the top of your Google Play app dashboard. - **[Get](https://developers.google.com/android?utm_medium=email-d&utm_source=newsletter&utm_team=googledevs&utm_campaign=2021-04-eng&utm_content=android)** the latest Google Play services resources to help build powerful and reliable Android apps. - **[Take](https://playacademy.exceedlms.com/student/path/260695-unlock-successful-retention?utm_source=newsletter&utm_medium=email&utm_campaign=AppsRetention&utm_content=Pdev_NL/?utm_source%3Dnewsletter&utm_team=googledevs&utm_campaign=2021-04-eng&utm_content=android)** the new Unlock Successful Retention path on Play Academy and learn how to engage users for the long term. | |   | | | |---| | |---| | |---| |   | | |---| |   | | |   | | | |---| | |---| | |---| |   | | Firebase / Google Cloud - **[See](https://go.dev/solutions/google/sitereliability/?utm_medium=email-d&utm_source=newsletter&utm_team=googledevs&utm_campaign=2021-04-eng&utm_content=firebase)** why the Google Site Reliability Engineering (SRE) chose Go (golang) to actuate production rollouts across Google. - **[Learn](https://cloud.google.com/spanner/docs/introspection/investigate-cpu-utilization#creating-ad-hoc-chart?utm_medium=email-d&utm_source=newsletter&utm_team=googledevs&utm_campaign=2021-04-eng&utm_content=firebase)** how to troubleshoot CPU consumption in Cloud Spanner using the new metric CPU utilization by operation types. - **[Read](https://developers.googleblog.com/2021/03/modernizing-your-google-app-engine-applications.html?utm_medium=email-d&utm_source=newsletter&utm_team=googledevs&utm_campaign=2021-04-eng&utm_content=firebase)** about the latest insights on modernizing Google App Engine applications. - **[Understand](https://cloud.google.com/blog/products/no-code-development/automation-no-code-appsheet-and-google-cloud?utm_campaign=devshow_series__041521&utm_source=gdev&utm_medium=yt-desc/?utm_medium%3Demail-d&utm_source=newsletter&utm_team=googledevs&utm_campaign=2021-04-eng&utm_content=firebase)** how to reclaim time and talent with AppSheet automation. | |   | | | |---| | |---| | |---| |   | | |---| |   | | |   | | | |---| | |---| | |---| |   | | Web - **[See](https://web.dev/evolving-cls/?utm_medium=email-d&utm_source=newsletter&utm_team=googledevs&utm_campaign=2021-04-eng&utm_content=web)** plans for improving the CLS metric to be more fair to long-lived pages. - **[Learn](https://web.dev/debug-web-vitals-in-the-field/?utm_medium=email-d&utm_source=newsletter&utm_team=googledevs&utm_campaign=2021-04-eng&utm_content=web)** how to debug information for Core Web Vitals metrics based on real-user interactions in the field. - **[Check](https://web.dev/compat2021/?utm_medium=email-d&utm_source=newsletter&utm_team=googledevs&utm_campaign=2021-04-eng&utm_content=web)** out other browser vendors and industry partners to fix the top five browser compatibility pain points for web developers. #Compat2021 - **[Explore](https://web.dev/floc/?utm_medium=email-d&utm_source=newsletter&utm_team=googledevs&utm_campaign=2021-04-eng&utm_content=web)** the proposal on Federated Learning of Cohorts (FLoC) for interest-based ad selection. - **[Read](https://goo.gle/gde-natalia-venditto?utm_medium=email-d&utm_source=newsletter&utm_team=googledevs&utm_campaign=2021-04-eng&utm_content=web)** Angular's #WomenAreExperts series featuring four Google Developers Experts making a difference in their communities. | |   | | | |---| | |---| | |---| |   | | |---| |   | | |   | | | |---| | |---| | |---| |   | | Google Maps Platform - **[Simplify](https://cloud.google.com/blog/products/maps-platform/loading-google-maps-platform-javascript-modern-web-applications&utm_medium=email-d&utm_source=newsletter&utm_team=googledevs&utm_campaign=2021-04-eng&utm_content=maps)** loading the Maps JavaScript API with new NPM modules for JavaScript and React. - **[Try](https://developers.google.com/codelabs/maps-platform/maps-platform-ios-swiftui#0&utm_medium=email-d&utm_source=newsletter&utm_team=googledevs&utm_campaign=2021-04-eng&utm_content=maps)** the new "Add a map to your iOS app with SwiftUI" codelab to learn how to bridge SwiftUI concepts with the Maps SDK for iOS. - **[Optimize](https://cloud.google.com/blog/products/maps-platform/optimize-your-user-experience-these-place-autocomplete-tips&utm_medium=email-d&utm_source=newsletter&utm_team=googledevs&utm_campaign=2021-04-eng&utm_content=maps)** the user experience with this summary of tips for Place Autocomplete implementations. - **[Learn](https://developers.google.com/maps/solutions?utm_medium=email-d&utm_source=newsletter&utm_team=googledevs&utm_campaign=2021-04-eng&utm_content=maps)** how to text directions to the store or auto-fill address forms with the updated technical guides and code samples for retail. | |   | | | |---| | |---| | |---| |   | | |---| |   | | |   | | | |---| | |---| | |---| |   | | Developer Community / BIPOC Partner Highlights - **[Join](https://events.withgoogle.com/founder-fridays-by-google-developers/?utm_medium=email-d&utm_source=newsletter&utm_team=googledevs&utm_campaign=2021-04-eng&utm_content=devrel)** May 7 Founder Fridays for a prequel to Google I/O: *Launching Innovative Consumer Solutions with TensorFlow, GCP and Firebase* for startups. - **[Announcing](https://developers.googleblog.com/2021/04/celebrating-earth-day-with-our-inaugural-google-startups-accelerator-climate-change-cohort.html?utm_medium=email-d&utm_source=newsletter&utm_team=googledevs&utm_campaign=2021-04-eng&utm_content=devrel)** the 11 startups chosen to join the inaugural Google for Startups Accelerator: Climate Change. - **[Catch](https://developers.googleblog.com/2021/04/google-developer-group-spotlight.html?utm_medium=email-d&utm_source=newsletter&utm_team=googledevs&utm_campaign=2021-04-eng&utm_content=devrel)** up with Ilias Papachristos, a lead for the Google Developer Group Cloud Thessaloniki Community in Greece, learn about Cloud architecture, find resources to help developers grow, and more. - **[See](https://developers.googleblog.com/2021/04/inviting-educators-to-google-developers.html?utm_medium=email-d&utm_source=newsletter&utm_team=googledevs&utm_campaign=2021-04-eng&utm_content=devrel)** how the Google Developer India Faculty Summit 2021 brought together different universities and skilling partners for Android Development with Kotlin in India. | |   | | | |---| | |---| | |---| |   | | |---| |   | | |   | | | |---| | |---| | |---| |   | | Open Source and Misc - **[Register](https://goo.gle/OpenDataLakeday?utm_medium=email-d&utm_source=newsletter&utm_team=googledevs&utm_campaign=2021-04-eng&utm_content=misc)** May 6 for Open Data Lake Day on Google Source Live. This event will be streamed in English and Japanese. - **[Watch](https://www.youtube.com/watch?v=5P32Gw5wzw0&list=PLOU2XLYxmsIJaFhu4mKg3LgUpsrxnr1Y-&index=13?utm_medium%3Demail-d&utm_source=newsletter&utm_team=googledevs&utm_campaign=2021-04-eng&utm_content=misc)** the latest AoG Pro Tips to learn more about how to build actions on Google Assistant. - **[Announcing](https://developers.googleblog.com/2021/04/signall-sdk-sign-language-interface-using-mediapipe-now-available.html?utm_medium=email-d&utm_source=newsletter&utm_team=googledevs&utm_campaign=2021-04-eng&utm_content=misc)** SignAll SDK, a sign language interface using MediaPipe is available for developers. - **[Check](https://www.blog.google/products/admob/advancing-mobile-app-inventory-quality-app-reviews/?utm_campaign=devshow_series__041521&utm_source=gdev&utm_medium=yt-desc?utm_medium%3Demail-d&utm_source=newsletter&utm_team=googledevs&utm_campaign=2021-04-eng&utm_content=misc)** out the new app review process across AdMob and Ad Manager. | |   | | | |---| | |---| | |---| |   | | |---| |   | | |   | | | |---| | |---| | | |---| | **Communities** [](https://docs.google.com/forms/d/1NPm1B6Xp5Bt9VwchFl5YOUnJrf7uJwcJI7qw8o9TUfs/edit) We're committed to showcasing Black developers' work in the development space. **[Submit](https://docs.google.com/forms/d/1NPm1B6Xp5Bt9VwchFl5YOUnJrf7uJwcJI7qw8o9TUfs/edit)** your BIPOC projects, products, organizations, and upcoming community events - no matter where they are in the world - to be considered in the next Google Developers newsletter. **Latest from Codelabs** - **[Android](https://developer.android.com/codelabs/kotlin-android-training-view-model?hl=en&continue=https://codelabs.developers.google.com/#0)** - **[Firebase](https://firebase.google.com/codelabs/firebase-get-to-know-flutter?hl=en&continue=https://codelabs.developers.google.com/#0)** - **[Flutter](https://codelabs.developers.google.com/codelabs/first-flutter-app-pt1?hl=en&continue=https://codelabs.developers.google.com/#0)** - **[Google Cloud](https://codelabs.developers.google.com/codelabs/secret-manager-python?hl=en&continue=https://codelabs.developers.google.com/#0)** - **[Google Nest](https://openthread.io/codelabs/openthread-border-router?hl=en&continue=https://codelabs.developers.google.com/#0)** | |   | |   | |   | |---| | **Past Events** - **[Beam day on Google Open Source Live](https://opensourcelive.withgoogle.com/events/beam/?utm_medium=email-d&utm_source=newsletter&utm_team=googledevs&utm_campaign=2021-04-eng&utm_content=pastevents)** - **[International Women's Day](https://gdg.community.dev/iwd/?utm_medium=email-d&utm_source=newsletter&utm_team=googledevs&utm_campaign=2021-04-eng&utm_content=pastevents)** - **[Flutter Engage](https://events.flutter.dev/?utm_medium=email-d&utm_source=newsletter&utm_team=googledevs&utm_campaign=2021-04-eng&utm_content=pastevents)** - **[#TheAndroid Show: Jetpack Compose](https://landing.google.com/theandroidshow/?utm_medium=email-d&utm_source=newsletter&utm_team=googledevs&utm_campaign=2021-04-eng&utm_content=pastevents)** - **[Chrome Dev Summit 2020](https://developer.chrome.com/devsummit/?utm_source=dgc&utm_medium=website?utm_medium%3Demail-d&utm_source=newsletter&utm_team=googledevs&utm_campaign=2021-04-eng&utm_content=pastevents)** | |   | | [Find more developer events](https://developers.google.com/events/?utm_medium=email-d&utm_source=newsletter&utm_team=googledevs&utm_campaign=2021-04-eng&utm_content=pastevents) | | |---|---|---| |   ||| |   ||| | | |---| | |---| | |---| |   | | |---|---|---|---|---| | [![Blogger](https://lp.thinkwithgoogle.com/rs/172-GOP-811/images/Gdev-2019-blogger.png "Blogger")](https://developers.googleblog.com/?utm_medium=email-d&utm_source=newsletter&utm_team=googledevs&utm_campaign=2020-05-eng&utm_content=blogger) | [![YouTube](https://lp.thinkwithgoogle.com/rs/172-GOP-811/images/Gdev-2019-yt.png "YouTube")](https://www.youtube.com/googledevelopers?utm_medium=email-d&utm_source=newsletter&utm_team=googledevs&utm_campaign=2020-05-eng&utm_content=youtube) | [![Twitter](https://lp.thinkwithgoogle.com/rs/172-GOP-811/images/Gdev-2019-twi.png "Twitter")](https://twitter.com/googledevs?utm_medium=email-d&utm_source=newsletter&utm_team=googledevs&utm_campaign=2020-05-eng&utm_content=twitter "Twitter") | [![Facebook](https://lp.thinkwithgoogle.com/rs/172-GOP-811/images/Gdev-2019-fb.png "Facebook")](https://www.facebook.com/Google-Developers-967415219957038/?fref=ts&utm_medium=email-d&utm_source=newsletter&utm_team=googledevs&utm_campaign=2020-05-eng&utm_content=facebook "Facebook") | [![M](https://lp.thinkwithgoogle.com/rs/172-GOP-811/images/Gdev-2019-m.png "M")](https://medium.com/google-developers?utm_medium=email-d&utm_source=newsletter&utm_team=googledevs&utm_campaign=2020-05-eng&utm_content=medium "Medium") | <br /> [ARCHIVE](https://developers.google.com/newsletter/?utm_medium=email-d&utm_source=newsletter&utm_team=googledevs&utm_campaign=2021-03-eng&utm_content=archive) \| [SUBSCRIBE](https://services.google.com/fb/forms/googledevelopersnewsletter/?utm_medium=email-d&utm_source=newsletter&utm_team=googledevs&utm_campaign=2020-05-eng&utm_content=subscribe) | |   | | | |---| | |---| | |---| |   | |   | |   | | | | |