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The Diff: A Podcast from Meta Open Source

The Diff: A Podcast from Meta Open Source

By Meta Open Source Team
Hosted by Joel Marcey, a staff developer advocate on the Meta Open Source team, The Diff showcases the program, the projects and the people that drives the team's mission of building community through open source technology.
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Episode 6: At F8 2019: Presto Loves Big Data

The Diff: A Podcast from Meta Open Source

Episode 15: Building Multiplayer Virtual Reality Applications in Unity with Zac Drake
In this episode of The Diff podcast, host Navyata Bawa chats with Zac Drake, a software engineer on the VR Developer Environment Engineering team about the VR Platform SDK Multiplayer features, highlighting how the SharedSpaces app makes them easy to use out of the box in Unity. Zac explains some of the challenges that can arise when developing multiplayer VR applications. We discuss how developers can account for things like latency, as well as other best practices, recommended resources and learning materials to help you start building multiplayer VR experiences.
September 14, 2022
Episode 14: Building Multiplayer Virtual Reality Applications in Unreal with Eric Le Saux
In this episode of The Diff podcast, host Navyata Bawa chats with VR Developer Environment Software Engineer Eric Le Saux about the SharedSpaces sample and how it demonstrates the Platform SDK Multiplayer features. Eric dives deep into the challenges and objectives of the sample and the choices his team made to create an app that demonstrates the Multiplayer features in an easy to use way. We discuss use cases that developers should keep in mind when designing multiplayer VR applications, best practices, recommended resources and learning material to help you create your own multiplayer VR experiences.
July 19, 2022
Episode 13: From Linux to React Native with Nicola Corti
In this installment of The Diff podcast, host Dmitry Vinnik and Meta Software Developer Nicola Corti chat about how Nicola gained an interest in mobile development through Linux. They also discuss how open source plays an important role in Nicola’s career, what React Native is and how Kotlin is being used in the open source project’s build code. At the end, listeners get the scoop on Nicola’s podcast, The Developers’ Bakery.
June 21, 2022
Episode 12: Talking about All Things React with Rachel Nabors
In this installment of The Diff podcast, your host Dmitry Vinnik and Meta Documentation Engineer Rachel Nabors discuss their experience getting into front-end development, their work in the React ecosystem and explores how virtual conferences have opened the door for the open source community.
April 13, 2022
Episode 11: Talking Mobile Open Source with Pascal Hartig
In this installment of The Diff podcast, host Dmitry Vinnik and Software Engineer Pascal Hartig discuss Pascal’s open source journey at Meta. Initially, Pascal worked on Litho, a declarative UI framework for Android, but lately, he's primarily focused on supporting a project called Flipper, an extensible mobile app debugger. Throughout this interview, Pascal and Dmitry talk about the importance of building a welcoming community and give several tips on how to get started in open source. ------- Episode Links ------- Meta Tech Podcast Meta Open Source project Flipper - Website Meta Open Source project Litho - Website “Contributing to Open Source for the first time” by Cami Williams  ------- Social Accounts ------- Dmitry's Twitter Pascal's Twitter Meta Open Source Twitter Meta Open Source Facebook Page Meta Open Source Website Meta Open Source LinkedIn Page
February 15, 2022
Episode 10: Talking Open Source with Paul O'Shannessy
Welcome to the 10th episode of The Diff audio podcast, and the first episode of The Diff video series. In this episode, join your host Joel Marcey as he chats with Meta Open Source Program Engineering Manager Paul O'Shannessy about all the innovation he's played a part in during his decade in open source. Stay tuned for the rapid-fire question section where the two cover such controversial topics as pineapple on pizza and Star Trek vs. Star Wars. Meta Open Source Meta Open Source YouTube Channel Meta Open Source Twitter Account
December 07, 2021
Episode 9: The Breeze Has Been Shot With Cami Williams
On this episode of The Diff recorded Wednesday, May 6th 2020, Joel catches up with Cami Williams, a developer advocate and colleague on the Facebook open source team. Cami and Joel play, I ask question, you ask a question and we talked about some really interesting topics. Find out how Cami became popular on social media, our thoughts around diversity in the world of advocacy and technology, the one programming language to have if you are stranded on an island, and hear some admissions about reality TV shows. Also there is a big surprise at the end regarding the podcast itself. Facebook Open Source Facebook Open Source YouTube Channel Facebook Twitter Account Official Harry Potter House Quiz
May 11, 2020
Episode 8: Talking Libra With Eric Nakagawa
On this episode of The Diff, Joel talks Libra with Eric Nakagawa. Libra's mission is to enable a simple global currency and financial infrastructure that powers billions of people. Eric is the head of open source for Calibra, who is building a wallet for Libra. Eric describes how Libra works, how validator nodes work, what parts of Libra are open sourced, the difference between Libra and Calibra, and much more. Find out more, including the transcript at
November 19, 2019
Episode 7: At F8 2019: The Current State of React and React Native
On this special episode of The Diff, Instagram software engineer Kathryn Middleton, and React Native engineering manager, Kevin Gozali, join Joel on our final live broadcast from the F8 2019 conference to discuss the current state of React and React Native. Learn why React Hooks is such a big deal, how React and React Native cooperate on roadmaps, and about some of the exciting new features for both. Also, we talk about the shift in focus for React Native on open source. F8 class on React Hooks F8 session on React, Relay, GraphQL F8 session on React Native, ComponentKit, Litho
May 08, 2019
Episode 6: At F8 2019: Presto Loves Big Data
On this special F8 2019 episode of The Diff, Rongrong Zhong and Greg Leclercq, engineers on the Facebook Presto team, join Joel on another live broadcast from San Jose to discuss Presto, Facebook's distributed SQL Query Engine. Learn what Presto is, why Presto was developed and where Presto is going in terms of open source and the community. Also, we talk about how you can know if Presto is right for your data needs and how you would go about starting to learn it. F8 class on Presto
May 08, 2019
Episode 5: At F8 2019: The Role of Python at Facebook
On this special F8 2019 episode of The Diff, Lisa Roach and John Reese, software engineers at Facebook, join Joel on our first live broadcast to discuss the role of Python at Facebook. Understand why Python is a core language at Facebook, why we are so involved in the Python community and learn about some of our recent Python-based open source projects, including Bowler. And just before both Lisa and John head to PyCon, we learn about some of the cool things happening in Python lately. F8 Session on Python F8 Class on Pyre
May 08, 2019
Episode 4: Managing a successful open source community with React
On this episode of The Diff, Joel talks React and React Native with Dan Abramov and Tom Occhino. Find out how React grew to become one of the most popular projects at Facebook and on GitHub, and how we manage such a growing and vibrant community. Learn what drove the development of React Native from the React architecture. And how Redux started out as a project developed outside of Facebook only to now be used in core projects within the company.
March 11, 2019
Episode 3: The Birth of React and Reason
On this episode of The Diff, Joel talks to Jordan, the creator of React, our most popular open source project, and the creator of Reason, a programming language cousin of JavaScript based on OCaml. Learn about why React was born, the need for another programming language, and how both of these projects have impacted development both inside and outside of Facebook. Also Joel finds out the real name of Reason's package manager.
March 11, 2019
Episode 2: The GraphQL Story
On this episode of The Diff, Dan and Lee, two of the creators of GraphQL, join Joel to discuss this query language that helps you deal with data. Learn how GraphQL was born from a need to make Facebook's mobile news feed more compelling. We answer how GraphQL compares to REST, and we talk about GraphQL's move to the Linux Foundation. Joel also gets excited when he hears that Dan runs a GraphQL-based project for soccer statistics.
March 11, 2019
Episode 1: Inside Meta Open Source
On our inaugural episode of The Diff, Joel talks to Christine and Eric, open source developer advocates at Meta (formerly Facebook). Learn about why we named the podcast “The Diff”, our definition of developer advocacy, how we launch projects, and why Meta is involved in open source. You will also discover the relationship between Eric and triangles, and so much more.
March 11, 2019
Episode 0: The Prelude
Developer advocate Joel Marcey announces The Diff, a new podcast from Facebook Open Source.
February 22, 2019