

Thinking Elixir Podcast
ThinkingElixir.com
The Thinking Elixir podcast is a weekly show where we talk about the Elixir programming language and the community around it. We cover news and interview guests to learn more about projects and developments in the community.
Whether you are already experienced with Elixir or just exploring the language, this show is created with you in mind. We discuss community news, Functional Programming, transitioning from OOP, coding conventions, and more.
Guests visit the show to help challenge our assumptions, learn about new developments and grow in the process.
Subscribe to join us on this journey!
Whether you are already experienced with Elixir or just exploring the language, this show is created with you in mind. We discuss community news, Functional Programming, transitioning from OOP, coding conventions, and more.
Guests visit the show to help challenge our assumptions, learn about new developments and grow in the process.
Subscribe to join us on this journey!
Episodes
Mentioned books

Aug 12, 2025 • 43min
265: LiveView 1.1 Goes Live and Stack Overflow Results
News includes Phoenix LiveView v1.1 being released with exciting new features like colocated JavaScript, portals for teleporting content, keyed comprehensions, and improved change tracking, Stack Overflow Survey 2025 results showing Elixir as the third most admired language and Phoenix as the most admired web framework for the third year running, Peter Solnica announcing a new high-level relation abstraction library called drops_relation built on top of Ecto, The Primeagen (a popular YouTube dev influencer) switching to Elixir and showcasing pattern matching features, Software Mansion organizing Global Elixir Meetups around the world for September 2025, ElixirConf US 2025 tickets available with a discount code, and more!
Show Notes online - http://podcast.thinkingelixir.com/265
Elixir Community News
https://paraxial.io/ – Paraxial.io is sponsoring today's show! Sign up for a free trial of Paraxial.io today and mention Thinking Elixir when you schedule a demo for a special offer.
https://x.com/josevalim/status/1951022612886462937 – José Valim announces Phoenix LiveView v1.1 release
https://www.phoenixframework.org/blog/phoenix-liveview-1-1-released – Official Phoenix blog post for LiveView 1.1 release
https://github.com/phoenixframework/phoenix_live_view/blob/v1.1/CHANGELOG.md – Changelog for the LiveView 1.1 release with upgrade instructions
https://github.com/dashbitco/lazy_html – LazyHTML - A new Dashbit project for efficient parsing and querying of HTML documents
https://survey.stackoverflow.co/2025 – Stack Overflow Survey 2025 results
https://x.com/josevalim/status/1950248561884410004 – José Valim congratulates Rust, Gleam and Elixir on being the top 3 most admired languages
https://survey.stackoverflow.co/2025/technology#2-dev-id-es – Stack Overflow 2025 survey section on development IDEs
https://bsky.app/profile/solnic.dev/post/3lv6opdo7b22p – Peter Solnica announces drops_relation v0.1.0
https://solnic.dev/posts/introducing-drops-relation/ – Blog post introducing Drops.Relation library
https://github.com/solnic/drops_relation – Drops.Relation GitHub repository - high-level relation abstraction on top of Ecto
https://www.reddit.com/r/elixir/comments/1mcu6i8/theprimeagen_is_switching_to_elixir_from_rust/ – Reddit discussion about The Primeagen switching to Elixir
https://www.youtube.com/watch?v=xH9rm2U8jBQ – The Primeagen's YouTube video showcasing Elixir features
https://x.com/elixirmembrane/status/1950923744655954385 – Software Mansion announces Global Elixir Meetups idea
https://globalelixirmeetups.com/ – Website to coordinate global Elixir meetups happening September 22-28, 2025
https://elixirconf.com/ – ElixirConf US 2025 in Orlando FL, August 28-29
https://ti.to/elixirconf/2025/discount/ThinkingElixir – ElixirConf 2025 tickets with 10% discount using "ThinkingElixir" code
Do you have some Elixir news to share? Tell us at @ThinkingElixir or email at show@thinkingelixir.com
Find us online
Message the show - Bluesky
Message the show - X
Message the show on Fediverse - @ThinkingElixir@genserver.social
Email the show - show@thinkingelixir.com
Mark Ericksen on X - @brainlid
Mark Ericksen on Bluesky - @brainlid.bsky.social
Mark Ericksen on Fediverse - @brainlid@genserver.social
David Bernheisel on Bluesky - @david.bernheisel.com
David Bernheisel on Fediverse - @dbern@genserver.social
Sponsored By:Paraxial.io: Paraxial.io is sponsoring today's show! Sign up for a free trial of Paraxial.io today and mention Thinking Elixir when you schedule a demo for a special offer.

Aug 5, 2025 • 40min
264: Hot Reload In Dev and QA Bottlenecks
News includes Phoenix v1.8 shipping with an AGENTS markdown file for new apps to enhance coding agent experiences, Popcorn bringing Elixir to the browser through WebAssembly with no installation required, LiveVue v0.6.0 with 90% payload size reduction through JSON Patch operations, an awesome LiveView development tip for hot-reloading code changes while preserving LiveView state, MDEx v0.8 adding decorators support for enhanced code block styling, Hologram v0.5.0 delivering major performance improvements with milliseconds to microseconds execution times, ElixirConf US 2025 tickets available with our discount code, and a discussion about how AI-generated code is creating new bottlenecks in QA and code review processes, and more!
Show Notes online - http://podcast.thinkingelixir.com/264
Elixir Community News
https://paraxial.io/ – Paraxial.io is sponsoring today's show! Sign up for a free trial of Paraxial.io today and mention Thinking Elixir when you schedule a demo for a special offer.
https://x.com/josevalim/status/1948826989357367698 – José Valim announces Phoenix v1.8 will ship with an AGENTS markdown file for new apps, ensuring teams using coding agents have an outstanding experience out of the box
https://github.com/phoenixframework/phoenix/commit/50ffaa5aa1c60503f01cd2107edd43f22435f9e7 – Phoenix commit adding the AGENTS.md file by Chris McCord
https://github.com/phoenixframework/phoenix/blob/main/installer/templates/phx_single/AGENTS.md – The actual AGENTS.md template file in Phoenix
https://hex.pm/packages/usage_rules – Related package for usage rules
https://bsky.app/profile/membrane-swmansion.bsky.social/post/3luptf3p76s24 – Announcement post about Popcorn - Elixir in your browser via WebAssembly
https://popcorn.swmansion.com/ – Popcorn - run Elixir locally in your browser with no install required
https://popcorn.swmansion.com/demos/eval – Interactive IEx shell demo running in the browser
https://github.com/software-mansion/popcorn/ – GitHub project for Popcorn
https://blog.swmansion.com/popcorn-bringing-elixir-to-the-browser-8993a58a00be – Blog post explaining how Popcorn works and its limitations
https://github.com/atomvm/AtomVM – AtomVM - Tiny Erlang VM that powers Popcorn
https://atomvm.org/ – AtomVM website with details about the lightweight BEAM implementation
https://hackaday.com/2025/06/25/floss-weekly-episode-838-atomvm-and-the-full-stack-elixir-developer/ – Podcast appearance by AtomVM team
https://x.com/jskalc/status/1947674420459254203 – LiveVue v0.6.0 release announcement
https://github.com/Valian/live_vue – LiveVue project - end-to-end reactivity for Phoenix LiveView and Vue
https://x.com/jskalc/status/1950110941137285567 – Jakob explains new End to End testing setup for LiveVue
https://x.com/jskalc/status/1949882608424538420 – Awesome LiveView development tip for hot-reloading while keeping state
https://x.com/jskalc/status/1788308446007132509 – Original tip post about LiveView hot reloading
https://gist.github.com/chrismccord/2c26c876bb4430c1bdcd313b64e4c2c5 – Chris McCord's Gist showing how to implement LiveView hot reload with state preservation
https://x.com/leandrocesquini/status/1949827775541502037 – MDEx v0.8 release announcement
https://github.com/leandrocp/mdex – MDEx project - Markdown processor for Elixir
https://hexdocs.pm/mdex/0.8.0/MDEx.html#module-code-block-decorators – Documentation for MDEx decorators feature
https://bsky.app/profile/bartblast.com/post/3lutbbibma22a – Hologram v0.5.0 announcement
https://hologram.page/blog/hologram-v0-5-0-released – Hologram v0.5.0 release blog post
https://github.com/bartblast/hologram – Hologram project - components defined in Elixir that become JS in the browser
https://elixirconf.com/ – ElixirConf US 2025 website
https://ti.to/elixirconf/2025/discount/ThinkingElixir – ElixirConf ticket discount link with ThinkingElixir code for 10% off
https://x.com/ThatArrowsmith/status/1948490317277143438 – George Arrowsmith's tweet about QA becoming a bottleneck with AI-generated code
https://x.com/mikehostetler/status/1948491086130819331 – Mike Hostetler's response about teams struggling with code review and QA of AI-generated code
https://x.com/josevalim/status/1948634632716488809 – José Valim's insight on the need for new software verification practices with AI code generation
https://www.youtube.com/watch?v=RM2IZLR0LXc – Mark's first AI demo video: I Built an AI Tool That Saves Me Hours Every Week (Demo)
https://www.youtube.com/watch?v=piS1J4ru1fE – Mark's second AI demo video: How to Build AI Systems That Actually Run Your Business (Not Just Chat)
Do you have some Elixir news to share? Tell us at @ThinkingElixir or email at show@thinkingelixir.com
Find us online
Message the show - Bluesky
Message the show - X
Message the show on Fediverse - @ThinkingElixir@genserver.social
Email the show - show@thinkingelixir.com
Mark Ericksen on X - @brainlid
Mark Ericksen on Bluesky - @brainlid.bsky.social
Mark Ericksen on Fediverse - @brainlid@genserver.social
David Bernheisel on Bluesky - @david.bernheisel.com
David Bernheisel on Fediverse - @dbern@genserver.social
Sponsored By:Paraxial.io: Paraxial.io is sponsoring today's show! Sign up for a free trial of Paraxial.io today and mention Thinking Elixir when you schedule a demo for a special offer.

Jul 29, 2025 • 30min
263: Thinking Elixir 263: BEAM Scales from Nano to BBC Big
News includes the BEAM runtime fitting into just 16MB for the GRiSP Nano prototype, the BBC using Elixir to serve most of their web and mobile traffic, GenStage's pull-based design delivering 50% performance improvements, a new PDF data extraction library that leverages Python through PythonX, AppSignal's guide to deploying Phoenix with Kamal, an Elixir School lesson on embedding Lua in applications, Peter Solnica's new inflection library for word transformations, Fly.io announcing Docker Compose compatibility for multi-container deployments, and the full ElixirConf 2025 agenda going live with discount tickets available, and more!
Show Notes online - http://podcast.thinkingelixir.com/263
Elixir Community News
https://paraxial.io/ – Paraxial.io is sponsoring today's show! Sign up for a free trial of Paraxial.io today and mention Thinking Elixir when you schedule a demo for a special offer.
https://www.grisp.org/blog/posts/2025-06-11-grisp-nano-codebeam-sto – GRiSP Nano prototype shows BEAM can run in just 16MB of memory
https://grisp.myshopify.com/collections/frontpage/products/grisp-2 – GRiSP 2 tiny computer available now for BEAM applications
https://bsky.app/profile/ettomatic.bsky.social/post/3lua7lpcxi22s – Bluesky post announcing BBC's ElixirConf EU talk
https://www.youtube.com/watch?v=e99QDd0_C20 – How Elixir Powers the BBC From PoC to Production at Scale by Ettore Berardi
https://careers.bbc.co.uk/job/Senior-Software-Engineer/24846-en_GB/ – BBC job posting for Senior Software Engineer using Elixir
https://x.com/accomazzo/status/1945622634731114801 – GenStage's pull-based design explanation with 6-minute video showing 50% speed improvement
https://x.com/nelsonmestevao/status/1947087502902231412 – X post announcing the pdf_extractor library for data extraction from PDFs
https://github.com/nelsonmestevao/pdf_extractor/ – PDF data extraction library for Elixir
https://hexdocs.pm/pdf_extractor/readme.html – Documentation for pdf_extractor library
https://github.com/jsvine/pdfplumber – Python pdfplumber library that pdf_extractor leverages
https://github.com/livebook-dev/pythonx – PythonX library for seamless Python integration with Elixir
https://podcast.thinkingelixir.com/244 – Interview with Jonatan Kłosko about PythonX
https://blog.appsignal.com/2025/06/10/deploying-phoenix-applications-with-kamal.html – AppSignal article on deploying Phoenix applications with Kamal
https://kamal-deploy.org/ – Kamal deployment tool - Capistrano for Containers
https://github.com/elixirschool/school_house – Elixir School open source repository
https://elixirschool.com/en/lessons/misc/lua – Elixir School lesson on embedding Lua in Elixir applications
https://hexdocs.pm/lua/ – Elixir Lua package documentation
https://github.com/tv-labs/lua – Elixir friendly wrapper around luerl Erlang package
https://github.com/rvirding/luerl – Luerl Erlang package for Lua integration
https://bsky.app/profile/solnic.dev/post/3luaizmyjvt2c – Peter Solnica announces new Inflection library on Bluesky
https://github.com/solnic/drops_inflector – Drops Inflector library for word inflections in Elixir
https://bsky.app/profile/fly.io/post/3lt4bjcouwn2y – Fly.io announces Docker Compose compatibility
https://community.fly.io/t/docker-compose-compatibility-the-journey-begins/25285 – Fly.io community post about Docker Compose compatibility journey
https://community.fly.io/t/using-containers-with-flyctl/24729 – Guide on using containers with flyctl
https://fly.io/docs/machines/guides-examples/multi-container-machines/ – Fly.io documentation for multi-container machines
https://elixirstream.dev/gendiff – David's Elixir gendiff project
https://elixirconf.com/ – ElixirConf 2025 full agenda now live
https://ti.to/elixirconf/2025/discount/ThinkingElixir – ElixirConf tickets with ThinkingElixir discount code for 10% off
Do you have some Elixir news to share? Tell us at @ThinkingElixir or email at show@thinkingelixir.com
Find us online
Message the show - Bluesky
Message the show - X
Message the show on Fediverse - @ThinkingElixir@genserver.social
Email the show - show@thinkingelixir.com
Mark Ericksen on X - @brainlid
Mark Ericksen on Bluesky - @brainlid.bsky.social
Mark Ericksen on Fediverse - @brainlid@genserver.social
David Bernheisel on Bluesky - @david.bernheisel.com
David Bernheisel on Fediverse - @dbern@genserver.social
Sponsored By:Paraxial.io: Paraxial.io is sponsoring today's show! Sign up for a free trial of Paraxial.io today and mention Thinking Elixir when you schedule a demo for a special offer.

Jul 22, 2025 • 27min
262: Five Years of Perfect Uptime
News includes Phoenix 1.8.0-rc.4 and LiveView 1.1.0-rc.3 with igniter upgrader support, new libraries including deps_changelog and the Hog process debugging tool by Alex Koutmos, Fly.io's announcement of managed Postgres, an incredible conference talk about Waterpark - a healthcare system built on the BEAM that achieved 100% uptime for 5 years and running, tips on using Elixir compiler directives for function inlining, the full ElixirConf US 2025 schedule with keynotes from José Valim and Chris McCord, CodeBeam Europe speaker announcements, and more!
Show Notes online - http://podcast.thinkingelixir.com/262
Elixir Community News
https://paraxial.io/ – Paraxial.io is sponsoring today's show! Sign up for a free trial of Paraxial.io today and mention Thinking Elixir when you schedule a demo for a special offer.
https://bsky.app/profile/steffend.me/post/3ltz36vf4ts2u – Phoenix 1.8.0-rc.4 and LiveView 1.1.0-rc.3 released with igniter upgrader for LiveView 1.0 users
https://tomkonidas.com/repo-transact/ – New Ecto 3.13 Repo.transact/2 used in generators
Added security.md guide for security best practices and fetch() support for LongPoll in Service Workers
https://github.com/serpent213/deps_changelog – New library called deps_changelog that finds additions to dependency CHANGELOG files upon update
https://x.com/akoutmos/status/1935463503164309611 – Alex Koutmos announces new Elixir process debugging library called "Hog"
https://github.com/akoutmos/hog – Hog library used to pinpoint and deal with memory hungry processes, helps track down OOM issues
https://bsky.app/profile/fly.io/post/3ltlmmz4hq72n – Fly.io announces managed Postgres with automatic backups, failover, and monitoring
https://www.youtube.com/watch?v=hdBm4K-vvt0 – Waterpark conference talk - Transforming Healthcare with Distributed Actors achieving 100% uptime for 5 years
https://x.com/sasajuric/status/1943601894141640808 – Saša Jurić shares about the Waterpark talk
https://curiosum.com/blog/interacting-with-google-sheets-in-elixir – In-depth article about using Elixir and Phoenix to pull data from Google Spreadsheet
https://x.com/jskalc/status/1945092835067211929 – Fun tip about Elixir compiler directive to inline functions for performance
https://bsky.app/profile/elixirconf.bsky.social/post/3ltjyeeamwi2s – ElixirConf US 2025 full schedule published
https://elixirconf.com/#keynotes – ElixirConf keynotes featuring José Valim, Chris McCord, and others
https://ti.to/elixirconf/2025/discount/ThinkingElixir – Get ElixirConf 2025 tickets with "ThinkingElixir" discount code for 10% off
https://codebeameurope.com – CodeBeam Europe speaker list is up for November 5-6 in Berlin and Online
Do you have some Elixir news to share? Tell us at @ThinkingElixir or email at show@thinkingelixir.com
Find us online
Message the show - Bluesky
Message the show - X
Message the show on Fediverse - @ThinkingElixir@genserver.social
Email the show - show@thinkingelixir.com
Mark Ericksen on X - @brainlid
Mark Ericksen on Bluesky - @brainlid.bsky.social
Mark Ericksen on Fediverse - @brainlid@genserver.social
David Bernheisel on Bluesky - @david.bernheisel.com
David Bernheisel on Fediverse - @dbern@genserver.social
Sponsored By:Paraxial.io: Paraxial.io is sponsoring today's show! Sign up for a free trial of Paraxial.io today and mention Thinking Elixir when you schedule a demo for a special offer.

Jul 15, 2025 • 30min
261: Why Elixir and a $300K Daily Bill?
News includes Phoenix LiveView 1.1.0 release candidates featuring change tracking in comprehensions by default and TypeScript annotations, José Valim's inspiring DevLabs interview about building authentic tools and fostering healthy ecosystems, Matthew Sinclair's comprehensive post outlining 9 compelling reasons to choose Elixir, Peter Solnica's exciting teaser about rebuilding rom-rb in Elixir, Igniter's growing adoption with 45 packages now using it for simplified installation, ElixirConf 2025 US tickets available with ThinkingElixir discount, Figma's S-1 filing revealing their staggering $300,000 daily AWS costs, and more!
Show Notes online - http://podcast.thinkingelixir.com/261
Elixir Community News
https://paraxial.io/ – Paraxial.io is sponsoring today's show! Sign up for a free trial of Paraxial.io today and mention Thinking Elixir when you schedule a demo for a special offer.
https://hexdocs.pm/phoenix_live_view/1.1.0-rc.2/changelog.html#v1-1-0-rc-2-2025-07-05 – Phoenix LiveView 1.1.0 release candidate with change tracking in comprehensions by default
https://bsky.app/profile/steffend.me/post/3lteubbasjc2g – Steffen's thread about LiveView 1.1.0 RC changes and improvements
Includes Colocated JS hooks and TypeScript type annotations to all public JavaScript APIs
https://x.com/vmelnikova_en/status/1939754121005031881 – DevLabs interview announcement with José Valim
https://www.youtube.com/watch?v=ihn2fuc_ueQ – José Valim on feeding desire to learn, healthy Elixir ecosystem and the future of AI tooling
https://bsky.app/profile/matthewsinclair.com/post/3ltfyuekfkc2w – Matthew Sinclair's post about why Elixir is a great choice
https://matthewsinclair.com/blog/0181-why-elixir – \"Why Elixir? A Rebuttal to Common Misconceptions\" blog post with 9 reasons
https://hex.pm/packages/recon – Collection of functions and scripts to debug Erlang in production.
https://hex.pm/packages/observer_cli – Visualize Erlang/Elixir Nodes On The Command Line
https://bsky.app/profile/solnic.dev/post/3ltf3e7nije24 – Peter Solnica teaser about rebuilding rom-rb in Elixir
https://bsky.app/profile/zachdaniel.dev/post/3ltg6dak7fk2f – Zach Daniel shares that Igniter now has 45 packages using it for simplified installation
https://ti.to/elixirconf/2025/discount/ThinkingElixir – ElixirConf 2025 US tickets with "ThinkingElixir" discount code for 10% off
https://www.figma.com/blog/s1-public/ – Figma's S-1 filing announcement for going public
https://www.sec.gov/Archives/edgar/data/1579878/000162828025033742/figma-sx1.htm – Figma's SEC S-1 filing document
https://www.datacenterdynamics.com/en/news/design-platform-figma-spends-300000-on-aws-daily/ – Figma spends $300,000 daily on AWS services according to S-1 filing
Do you have some Elixir news to share? Tell us at @ThinkingElixir or email at show@thinkingelixir.com
Find us online
Message the show - Bluesky
Message the show - X
Message the show on Fediverse - @ThinkingElixir@genserver.social
Email the show - show@thinkingelixir.com
Mark Ericksen on X - @brainlid
Mark Ericksen on Bluesky - @brainlid.bsky.social
Mark Ericksen on Fediverse - @brainlid@genserver.social
David Bernheisel on Bluesky - @david.bernheisel.com
David Bernheisel on Fediverse - @dbern@genserver.social
Sponsored By:Paraxial.io: Paraxial.io is sponsoring today's show! Sign up for a free trial of Paraxial.io today and mention Thinking Elixir when you schedule a demo for a special offer.

Jul 8, 2025 • 22min
260: Cheaper testing with AI?
News includes LiveDebugger v0.3.0 with enhanced debugging capabilities for Phoenix LiveView including redirect following and dead process state browsing, Oban 1.6 featuring sub-workflows and cascading workflows, YOLO v0.2.0 bringing YOLOX support for faster image detection in Elixir, a discussion on the importance of testing and how AI tools are making test creation easier, helpful LiveView tips for opening unique URLs in new tabs, and progress updates on the new Expert LSP project for improved Elixir language server capabilities, and more!
Show Notes online - http://podcast.thinkingelixir.com/260
Elixir Community News
https://www.honeybadger.io/ – Honeybadger.io is sponsoring today's show! Keep your apps healthy and your customers happy with Honeybadger! It's free to get started, and setup takes less than five minutes.
https://bsky.app/profile/membrane-swmansion.bsky.social/post/3lsgrudmtgk2u – LiveDebugger v0.3.0 release announcement on BlueSky
https://github.com/software-mansion/live-debugger – LiveDebugger GitHub repository - browser-based tool for debugging Phoenix LiveView applications
https://bsky.app/profile/oban.pro/post/3lstnmlzd7226 – Oban 1.6 release announcement on BlueSky
https://oban.pro/docs/pro/1.6.0/changelog.html – Oban 1.6 changelog with sub-workflows, cascading workflows, grafting, and more features
https://github.com/poeticoding/yolo_elixir – YOLO v0.2.0 GitHub repository - image detection library for Elixir
https://www.poeticoding.com/elixir-yolo-v0-2-0-yolox-support-custom-models-and-performance-boost/ – Blog post about YOLO v0.2.0 major release with YOLOX support
https://github.com/poeticoding/yolo_elixir/releases/tag/0.2.0 – YOLO v0.2.0 release notes
https://bsky.app/profile/germsvel.com/post/3lslzsazcys2r – German Velasco's BlueSky post about the importance of testing
https://www.germanvelasco.com/blog/why-we-test – Blog post by German Velasco on why we test and the benefits of automated testing
https://x.com/philipbrown/status/1939630205875663017 – Philip Brown's Twitter tip about generating unique URLs from LiveView that open in new tabs
https://expert-lsp.org/ – Expert LSP project website placeholder for the new Elixir Language Server
https://bsky.app/profile/expert-lsp.org/post/3lsqragb4ns23 – Expert LSP BlueSky account first teaser post about the new Elixir Language Server project
Do you have some Elixir news to share? Tell us at @ThinkingElixir or email at show@thinkingelixir.com
Find us online
Message the show - Bluesky
Message the show - X
Message the show on Fediverse - @ThinkingElixir@genserver.social
Email the show - show@thinkingelixir.com
Mark Ericksen on X - @brainlid
Mark Ericksen on Bluesky - @brainlid.bsky.social
Mark Ericksen on Fediverse - @brainlid@genserver.social
David Bernheisel on Bluesky - @david.bernheisel.com
David Bernheisel on Fediverse - @dbern@genserver.social
Sponsored By:Honeybadger.io: Honeybadger is a performance monitoring and error tracking tool that combines the best monitoring features into one simple interface that works with all the frameworks you use and comes with fantastic support from a small team of passionate developers.
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Keep your apps healthy and your customers happy with Honeybadger!
It's free to get started, and setup takes less than five minutes.
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Jul 1, 2025 • 1h 13min
259: Chris McCord on phoenix.new
News includes the public launch of Phoenix.new - Chris McCord's revolutionary AI-powered Phoenix development service with full browser IDE and remote runtime capabilities, Ecto v3.13 release featuring the new transact/1 function and built-in JSON support, Nx v0.10 with improved documentation and NumPy comparisons, Phoenix 1.8 getting official security documentation covering OWASP Top 10 vulnerabilities, Zach Daniel's new "evals" package for testing AI language model performance, and ElixirConf US speaker announcements with keynotes from José Valim and Chris McCord. Saša Jurić shares his comprehensive thoughts on Elixir project organization and structure, Sentry's Elixir SDK v11.x adding OpenTelemetry-based tracing support, and more! Then we dive deep with Chris McCord himself for an exclusive interview about his newly launched phoenix.new service, exploring how AI-powered code generation is bringing Phoenix applications to people from outside the community. We dig into the technology behind the remote runtime and what it means for the future of rapid prototyping in Elixir.
Show Notes online - http://podcast.thinkingelixir.com/259
Elixir Community News
https://www.honeybadger.io/ – Honeybadger.io is sponsoring today's show! Keep your apps healthy and your customers happy with Honeybadger! It's free to get started, and setup takes less than five minutes.
https://phoenix.new/ – Chris McCord's phoenix.new project is open to the public
https://x.com/chris_mccord/status/1936068482065666083 – Phoenix.new was opened to the public - a service for building Phoenix apps with AI runtime, full browser IDE, and remote development capabilities
https://github.com/elixir-ecto/ecto – Ecto v3.13 was released with new features including transact/1, schema redaction, and built-in JSON support
https://github.com/elixir-ecto/ecto/blob/v3.13.2/CHANGELOG.md#v3132-2025-06-24 – Ecto v3.13 changelog with detailed list of new features and improvements
https://github.com/elixir-nx/nx – Nx v0.10 was released with documentation improvements and floating-point precision enhancements
https://github.com/elixir-nx/nx/blob/main/nx/CHANGELOG.md – Nx v0.10 changelog including new advanced guides and NumPy comparison cheatsheets
https://paraxial.io/blog/phoenix-security-docs – Phoenix 1.8 gets official security documentation covering OWASP Top 10 vulnerabilities
https://github.com/phoenixframework/phoenix/pull/6295 – Pull request adding comprehensive security guide to Phoenix documentation
https://bsky.app/profile/zachdaniel.dev/post/3lscszxpakc2o – Zach Daniel announces new "evals" package for testing and comparing AI language models
https://github.com/ash-project/evals – Evals project for evaluating AI model performance on coding tasks with structured testing
https://bsky.app/profile/elixirconf.bsky.social/post/3lsbt7anbda2o – ElixirConf US speakers beginning to be announced including keynotes from José Valim and Chris McCord
https://elixirconf.com/#keynotes – ElixirConf website showing keynote speakers and initial speaker lineup
https://x.com/sasajuric/status/1937149387299316144 – Saša Jurić shares collection of writings on Elixir project organization and structure recommendations
https://medium.com/very-big-things/towards-maintainable-elixir-the-core-and-the-interface-c267f0da43 – Saša Jurić's article on organizing Elixir projects with core and interface separation
https://medium.com/very-big-things/towards-maintainable-elixir-boundaries-ba013c731c0a – Article on using boundaries in Elixir applications for better structure
https://medium.com/very-big-things/towards-maintainable-elixir-the-anatomy-of-a-core-module-b7372009ca6d – Deep dive into structuring core modules in Elixir applications
https://github.com/sasa1977/mix_phx_alt – Demo project showing alternative Phoenix project structure with core/interface organization
https://github.com/getsentry/sentry-elixir/blob/master/CHANGELOG.md#1100 – Sentry updates Elixir SDK to v11.x with tracing support using OpenTelemetry
Do you have some Elixir news to share? Tell us at @ThinkingElixir or email at show@thinkingelixir.com
Discussion Resources
https://phoenix.new/ – The Remote AI Runtime for Phoenix. Describe your app, and watch it take shape. Prototype quickly, experiment freely, and share instantly.
https://x.com/chris_mccord/status/1936074795843551667 – You can vibe code on your phone
https://x.com/sukinoverse/status/1936163792720949601 – Another success example - Stripe integrations
https://openai.com/index/openai-codex/ – OpenAI Codex, Open AI's AI system that translates natural language to code
https://devin.ai/ – Devin is an AI coding agent and software engineer that helps developers build better software faster. Parallel cloud agents for serious engineering teams.
https://www.youtube.com/watch?v=ojL_VHc4gLk – Chris McCord's ElixirConf EU Keynote talk titled "Code Generators are Dead. Long Live Code Generators"
Guest Information
https://x.com/chris_mccord – on X/Twitter
https://github.com/chrismccord – on Github
http://chrismccord.com/ – Blog
Find us online
Message the show - Bluesky
Message the show - X
Message the show on Fediverse - @ThinkingElixir@genserver.social
Email the show - show@thinkingelixir.com
Mark Ericksen on X - @brainlid
Mark Ericksen on Bluesky - @brainlid.bsky.social
Mark Ericksen on Fediverse - @brainlid@genserver.social
David Bernheisel on Bluesky - @david.bernheisel.com
David Bernheisel on Fediverse - @dbern@genserver.social
Sponsored By:Honeybadger.io: Honeybadger is a performance monitoring and error tracking tool that combines the best monitoring features into one simple interface that works with all the frameworks you use and comes with fantastic support from a small team of passionate developers.
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Jun 24, 2025 • 32min
258: CVEs, MCPs, and Petabyte Dreams
News includes the first CVE released under EEF's new CNA program for an Erlang zip traversal vulnerability, Phoenix MacroComponents being delayed for greater potential, Supabase announcing Multigres - a Vitess-like proxy for scaling Postgres to petabyte scale, a surge of new MCP server implementations for Phoenix and Plug including Phantom, HermesMCP, ExMCP, Vancouver, and Excom, a fun blog post revealing that Erlang was the only language that didn't crash under extreme load testing against 6 other languages, LiveDebugger v0.3.0 being teased with Firefox extension support and enhanced debugging capabilities, and more!
Show Notes online - http://podcast.thinkingelixir.com/258
Elixir Community News
https://www.honeybadger.io/ – Honeybadger.io is sponsoring today's show! Keep your apps healthy and your customers happy with Honeybadger! It's free to get started, and setup takes less than five minutes.
https://cna.erlef.org/cves/cve-2025-4748.html – New CVE for Erlang regarding zip traversal - 4.8 severity (medium) with workaround available or update to latest patched OTP versions
First CVE released under the EEF's new CNA (CVE Numbering Authority) program - a successful process milestone
https://bsky.app/profile/steffend.me/post/3lrlhd5etkc2p – Phoenix MacroComponents is being delayed in search of greater potential
https://github.com/phoenixframework/phoenix_live_view/pull/3846 – Draft PR for Phoenix MacroComponents development
https://x.com/supabase/status/1933627932972376097 – Supabase announcement of Multigres project
https://supabase.com/blog/multigres-vitess-for-postgres – Multigres - Vitess for Postgres, announcement of a new proxy for scaling Postgres databases to petabyte scale
https://github.com/multigres/multigres – Multigres GitHub repository
Sugu, co-creator of Vitess, has joined Supabase to build Multigres
https://hex.pm/packages/phantom_mcp – Phantom MCP server - comprehensive implementation supporting Streamable HTTP with Phoenix/Plug integration
https://hex.pm/packages/hermes_mcp – HermesMCP - comprehensive MCP server with client, stdio and Plug adapters
https://hex.pm/packages/ex_mcp – ExMCP - comprehensive MCP implementation with client, server, stdio and Plug adapters, uses Horde for distribution
https://hex.pm/packages/vancouver – Vancouver MCP server - simple implementation supporting only tools
https://hex.pm/packages/excom – Excom MCP server - simple implementation supporting only tools
https://www.youtube.com/watch?v=4dzZ44-xVds – AshAI video demo showing incredible introspection capabilities for MCP frameworks
https://freedium.cfd/https:/medium.com/@codeperfect/we-tested-7-languages-under-extreme-load-and-only-one-didnt-crash-it-wasn-t-what-we-expected-67f84c79dc34 – Blog post comparing 7 languages under extreme load - Erlang was the only one that didn't crash
https://github.com/software-mansion/live-debugger – LiveDebugger v0.3.0 release being teased with new features
https://bsky.app/profile/membrane-swmansion.bsky.social/post/3lrb4kpmmw227 – Software Mansion preview of LiveDebugger v0.3.0 features including Firefox extension and enhanced debugging capabilities
https://smartlogic.io/podcast/elixir-wizards/s14-e03-langchain-llm-integration-elixir/ – Elixir Wizards podcast episode featuring discussion with Mark Ericksen on the Elixir LangChain project for LLM integration
Do you have some Elixir news to share? Tell us at @ThinkingElixir or email at show@thinkingelixir.com
Find us online
Message the show - Bluesky
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Email the show - show@thinkingelixir.com
Mark Ericksen on X - @brainlid
Mark Ericksen on Bluesky - @brainlid.bsky.social
Mark Ericksen on Fediverse - @brainlid@genserver.social
David Bernheisel on Bluesky - @david.bernheisel.com
David Bernheisel on Fediverse - @dbern@genserver.social
Sponsored By:Honeybadger.io: Honeybadger is a performance monitoring and error tracking tool that combines the best monitoring features into one simple interface that works with all the frameworks you use and comes with fantastic support from a small team of passionate developers.
With error tracking, performance and uptime monitoring, log management, dashboards, and more, Honeybadger has everything you need to gain real-time insights into the health of your Elixir and Phoenix applications.
Keep your apps healthy and your customers happy with Honeybadger!
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Jun 17, 2025 • 27min
257: Runtime Intelligence and MCP Servers
News includes Elixir v1.19.0-rc.0 with significant type checking improvements and faster compile times, Gleam v1.11.0 delivering 30% faster JavaScript performance, the new Elixir Outreach stipend program providing funding for speakers to present at non-Elixir conferences, a batch of ElixirConf US 2024 videos featuring talks were published, the open-sourcing of Noora design system for Phoenix LiveView, upcoming support for “for” comprehensions in HEEX templates, and José Valim's announcement of Tidewave - the groundbreaking MCP server that gives AI agents runtime access to your Elixir applications rather than just static code, and more!
Show Notes online - http://podcast.thinkingelixir.com/257
Elixir Community News
https://www.honeybadger.io/ – Honeybadger.io is sponsoring today's show! Keep your apps healthy and your customers happy with Honeybadger! It's free to get started, and setup takes less than five minutes.
https://github.com/elixir-lang/elixir/releases/tag/v1.19.0-rc.0 – Elixir v1.19.0-rc.0 release with mix format --migrate, type checking improvements, faster compile times, and parallel dependency compilation
https://x.com/gleamlang/status/1929535582423650789 – Gleam v1.11.0 announcement
https://gleam.run/news/gleam-javascript-gets-30-percent-faster/ – Gleam compiled JavaScript runs 30% faster performance improvement
https://github.com/gleam-lang/gleam/blob/main/changelog/v1.11.md – Gleam v1.11.0 changelog with testing tools and performance improvements
https://elixir-lang.org/blog/2025/06/02/elixir-outreach-stipend-for-speakers/ – Elixir Outreach stipend program by Dashbit, Oban and the EEF providing up to $700 USD for speakers presenting Elixir to other ecosystems
https://www.youtube.com/watch?v=aknKAFzEsBg – ElixirConf US 2024 video release featuring multiple talks
https://www.youtube.com/playlist?list=PLqj39LCvnOWbW2Zli4LurDGc6lL5ij-9Y – ElixirConf US 2024 playlist with 16 new videos
https://www.youtube.com/watch?v=PSrzruaby1M – Ash AI Launch talk by Zach Daniel from ElixirConf EU
https://tuist.dev/blog/2025/06/10/open-sourcing-noora-for-the-web – Noora design system for Phoenix LiveView open-sourced announcement
https://noora.tuist.dev/ – Noora - complete, accessible design system for Phoenix LiveView with Figma files and ready-to-use components
https://github.com/phoenixframework/phoenix_live_view/pull/3827 – Phoenix LiveView PR adding support for for comprehensions in HEEX templates with keyed change tracking
https://hexdocs.pm/lua/changelog.html#v0-3-0-2025-06-09 – Lua for Elixir v0.3.0 changelog with new guard functions
https://bsky.app/profile/davelucia.com/post/3lr6g7g3nqs26 – Bluesky post about Lua for Elixir update with guard support
https://x.com/bcardarella/status/1929976577749664052 – Brian Cardarella announcing web_socket_dist library release
https://x.com/bcardarella/status/1930262610705846640 – Brian explaining the use-case behind web_socket_dist library
https://github.com/otp-interop/web_socket_dist – web_socket_dist library for Erlang distribution over WebSockets
https://www.erlang.org/doc/system/distributed.html – Erlang distributed systems documentation
https://x.com/josevalim/status/1930670782788653284 – José Valim announcing Tidewave on X/Twitter
https://dashbit.co/blog/announcing-tidewave – Dashbit blog post announcing Tidewave - Elixir MCP server for AI runtime intelligence
https://github.com/tidewave-ai/mcp_proxy_rust#installation – Tidewave MCP proxy installation and setup instructions
Do you have some Elixir news to share? Tell us at @ThinkingElixir or email at show@thinkingelixir.com
Find us online
Message the show - Bluesky
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Message the show on Fediverse - @ThinkingElixir@genserver.social
Email the show - show@thinkingelixir.com
Mark Ericksen on X - @brainlid
Mark Ericksen on Bluesky - @brainlid.bsky.social
Mark Ericksen on Fediverse - @brainlid@genserver.social
David Bernheisel on Bluesky - @david.bernheisel.com
David Bernheisel on Fediverse - @dbern@genserver.social
Sponsored By:Honeybadger.io: Honeybadger is a performance monitoring and error tracking tool that combines the best monitoring features into one simple interface that works with all the frameworks you use and comes with fantastic support from a small team of passionate developers.
With error tracking, performance and uptime monitoring, log management, dashboards, and more, Honeybadger has everything you need to gain real-time insights into the health of your Elixir and Phoenix applications.
Keep your apps healthy and your customers happy with Honeybadger!
It's free to get started, and setup takes less than five minutes.
Start monitoring today →

4 snips
Jun 10, 2025 • 24min
256: Types, Tools, and Turbo Charging
News includes the Elixir 1.19 RC release featuring up to 4x faster compilation and significant types system improvements, more ElixirConfEU videos including José Valim's keynote on type system updates, the look at the Backpex admin panel for Phoenix LiveView applications, Ash AI's impressive AI integration using the Elixir LangChain library, an informal Elixir Contributors Summit recap from Software Mansion, the Quokka formatter that automatically fixes Credo style code issues, Popcorn's browser-based Elixir implementation with JavaScript interoperability, and the launch of Elixir Observer for better Hex package exploration, and more!
Show Notes online - http://podcast.thinkingelixir.com/256
Elixir Community News
https://www.honeybadger.io/ – Honeybadger.io is sponsoring today's show! Keep your apps healthy and your customers happy with Honeybadger! It's free to get started, and setup takes less than five minutes.
https://github.com/elixir-lang/elixir/blob/main/CHANGELOG.md – Elixir 1.19 RC release with up to 4x faster compilation for large projects, types system updates, and improved pretty printing
https://www.youtube.com/playlist?list=PLvL2NEhYV4Zu421KzHuLICUqieJXI2o_Z – ElixirConfEU videos playlist with all 4 keynotes and Lightning Talks
https://www.youtube.com/watch?v=po-ckmSt1gI&list=PLvL2NEhYV4Zu421KzHuLICUqieJXI2o_Z&index=13 – José Valim's keynote "Type System and Elixir Updates + Extended Q&A"
https://github.com/naymspace/backpex – Backpex - highly customizable administration panel for Phoenix LiveView applications
https://backpex.live/ – Backpex project landing page
https://demo.backpex.live/admin/users – Live demo of Backpex admin panel
https://hexdocs.pm/ash_ai/readme.html – Ash AI documentation - AI implementation for the Ash Framework
https://x.com/ZachSDaniel1/status/1927249155019149409 – Zach Daniel's tweet teasing Ash AI features
https://blog.swmansion.com/elixir-contributor-summit-2025-shaping-the-future-together-at-software-mansion-cc3271a188eb – Blog post about the informal Elixir Contributors Summit held after ElixirConf EU
https://github.com/smartrent/quokka – Quokka - Elixir formatter that combines mix format and mix credo to automatically fix code style issues
https://github.com/software-mansion/popcorn – Popcorn - library for running client-side Elixir in browsers with JavaScript interoperability
https://popcorn.swmansion.com/simple_repl/ – Popcorn live demo REPL
https://github.com/atomvm/AtomVM – AtomVM project that Popcorn is based on, compiles to WASM
https://www.mimiquate.com/blog/introducing-elixir-observer-a-better-way-to-explore-elixir-packages – Blog post introducing Elixir Observer for exploring Hex packages
https://elixir-observer.com/ – Elixir Observer website for package exploration
https://www.youtube.com/watch?v=o-FsRSDg6Pc – YouTube demo video of Elixir Observer
https://github.com/mimiquate/elixir_observer – Open source GitHub repository for Elixir Observer
https://elixir-observer.com/packages/ecto – Example of Ecto package analysis on Elixir Observer
Do you have some Elixir news to share? Tell us at @ThinkingElixir or email at show@thinkingelixir.com
Find us online
Message the show - Bluesky
Message the show - X
Message the show on Fediverse - @ThinkingElixir@genserver.social
Email the show - show@thinkingelixir.com
Mark Ericksen on X - @brainlid
Mark Ericksen on Bluesky - @brainlid.bsky.social
Mark Ericksen on Fediverse - @brainlid@genserver.social
David Bernheisel on Bluesky - @david.bernheisel.com
David Bernheisel on Fediverse - @dbern@genserver.social
Sponsored By:Honeybadger.io: Honeybadger is a performance monitoring and error tracking tool that combines the best monitoring features into one simple interface that works with all the frameworks you use and comes with fantastic support from a small team of passionate developers.
With error tracking, performance and uptime monitoring, log management, dashboards, and more, Honeybadger has everything you need to gain real-time insights into the health of your Elixir and Phoenix applications.
Keep your apps healthy and your customers happy with Honeybadger!
It's free to get started, and setup takes less than five minutes.
Start monitoring today →