Show Notes online - http://podcast.thinkingelixir.com/282

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://elixir-lang.org/blog/2025/12/02/lazier-bdds-for-set-theoretic-types/ – Blog post by Guillaume Duboc and José Valim about "Lazier Binary Decision Diagrams (BDDs) for set-theoretic types" - documenting the data structures powering Elixir's type system and optimizations in v1.19
• https://x.com/josevalim/status/1995862601113501791 – José Valim's tweet about the BDD blog post
• https://github.com/elixir-lang/elixir/releases/tag/v1.19.4 – Elixir v1.19.4 release with bug fixes and new mix xref feature
• https://hexdocs.pm/mix/Mix.Tasks.Xref.html – Documentation for mix xref task including new --min-cycle-label option
• https://www.tiobe.com/tiobe-index/ – TIOBE Index - programming language popularity rankings
• https://nindalf.com/posts/stop-citing-tiobe/ – Article critiquing TIOBE's methodology as fundamentally flawed
• https://news.ycombinator.com/item?id=44234633 – Hacker News discussion where José shares how Elixir disappeared from TIOBE top 100 due to having too many books on Amazon
• https://hexdocs.pm/phoenix_live_view/changelog.html#v1-1-18-2025-11-25 – Phoenix LiveView v1.1.18 release with new conveniences including function passing in assign, onDocumentPatch callback, and phx-viewport-overrun-target attribute
• https://gist.github.com/SteffenDE/cf7cdb91ba037b08cdc583763e4ffc69 – Example gist for using the new onDocumentPatch callback with view transition APIs
• https://gist.github.com/SteffenDE/613125993362e30443e58558aa3c8ba0 – Example gist for phx-viewport-overrun-target for infinite table scrolling
• https://x.com/swmansionelixir/status/1995511897651806624 – Software Mansion announcement of LiveDebugger 0.5.0 release
• https://docs.swmansion.com/live-debugger/ – LiveDebugger documentation - their biggest release yet with improved assigns inspection, async loading, dead LiveViews tracking, and resource monitoring
• https://x.com/davydog187/status/1994960093511905305 – Dave Lucia's tweet about new Nx feature by Paulo Valente
• New Nx feature allows models written in Python to talk to Elixir and vice versa, breaking down integration barriers
• https://bsky.app/profile/brainlid.bsky.social/post/3m6z4xoglls24 – Bluesky announcement of Elixir LangChain v0.4.1 release
• https://github.com/brainlid/langchain – LangChain library for Elixir - GitHub repository
• https://github.com/brainlid/langchain/blob/main/CHANGELOG.md – LangChain changelog with enhancements for DeepSeek, OpenAI and Anthropic
• https://x.com/bart_blast/status/1994150917420056651 – Bart Blast's tweet requesting sponsorship for Hologram development
• https://hologram.page/blog/seeking-sustainable-sponsorship – Blog post explaining the need for sustainable sponsorship after 3 years of full-time Hologram development
• https://github.com/bartblast/hologram – Hologram GitHub repository - transpiles pure Elixir to JS for the browser
• https://web.dev/blog/webgpu-supported-major-browsers – Article announcing WebGPU is now supported in major browsers
• https://developer.mozilla.org/en-US/docs/Web/API/WebGPU_API – MDN documentation for WebGPU API - successor to WebGL providing better GPU compatibility and advanced features

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.

Show Notes online - http://podcast.thinkingelixir.com/239

Elixir Community News

• https://elixir-lang.org/blog/2025/01/21/remote-elixir-case/ – New case study about Remote, a unicorn company using Elixir as their primary technology with nearly 300 engineers.
• https://github.com/sasa1977/boundary – Remote uses Saša Jurić's Boundary library to help enforce boundaries in their monolithic codebase.
• https://www.reddit.com/r/elixir/comments/1i77ia9/comment/m8il2ho/ – Discussion about the type spec future in Elixir, with plans to replace Dialyzer typespecs in versions 1.19 and 1.20.
• https://bsky.app/profile/zachdaniel.dev/post/3lgqdugp7zs2b – Ash installer now supports Oban integration via a flag option.
• https://tailwindcss.com/blog/tailwindcss-v4 – Tailwind CSS 4.0 released with major changes including moving theme configuration to CSS variables.
• https://tailwindcss.com/docs/upgrade-guide – Comprehensive upgrade guide for Tailwind CSS v4.
• https://github.com/phoenixframework/phoenix/pull/5990 – WIP PR to support Tailwind v4 in Phoenix.
• https://bsky.app/profile/zachdaniel.dev/post/3lggmuk4dis2x – Zach Daniel shares how Tailwind v4 changes will improve igniter's utility configuration capabilities.
• https://github.com/brainlid/langchain – Elixir LangChain v0.3.0 released with expanded support for OpenAI, Anthropic, Gemini, Llama, and more.
• https://x.com/chris_mccord/status/1880377175200669770 – Chris McCord teases new Fly.io AI code generator project with IDE/terminal integration.
• https://x.com/chris_mccord/status/1880392153924530376 – Demo video of Chris McCord's AI-integrated editor creating a multiplayer Phoenix LiveView app.
• https://www.elixirconf.eu/ – ElixirConfEU 2025 tickets on sale, happening May 15-16 in Kraków Poland & Virtual.

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

Show Notes online - http://podcast.thinkingelixir.com/228

Elixir Community News

• https://www.youtube.com/watch?v=7j2SaHAWTDM – Theo, known for his TypeScript and JS content, released his ElixirConf presentation video to his own channel.
• https://x.com/theo/status/1852521365880156323 – Theo announced the release of his ElixirConf presentation video on his social media.
• https://developer-survey.gleam.run/ – The Gleam developer survey is available for participation.
• https://curiosum.com/sl/b87vc3qn – Participate in Curiosum's Elixir survey to contribute your feedback.
• https://curiosum.com/surveys/elixir-2023 – View the results from Curiosum's 2023 Elixir survey with ~400 respondents.
• https://x.com/davydog187/status/1852408187816947982 – The value of the potentially little known phx- cheatsheet in the Phoenix docs.
• https://hexdocs.pm/phoenix_live_view/html-attrs.html – Detailed documentation on special HTML attributes used in Phoenix LiveView templates.
• https://x.com/davydog187/status/1853762123647582697 – Watch the recording of Dave Lucia's live-coding session on building an Igniter installer for OpenTelemetry.
• https://www.youtube.com/live/SOO4RcolYSI – Part 1 of Dave Lucia's live-coding session on YouTube; part 2 is upcoming.
• https://github.com/brainlid/langchain – Introduction to the Elixir LangChain project for integrating Elixir projects with LLMs.
• https://www.reddit.com/r/elixir/comments/1ggfcbt/i_switched_from_the_python_version_of_langchain/ – A Reddit user shares their positive experience with the Elixir LangChain library compared to the Python version.
• Mark Ericksen shares his availability and interest in helping companies leveraging Elixir and LLMs.
• https://codebeamnyc.com/ – CodeBeam Lite conference in NY on Nov 15th, featuring a single-track agenda and notable speakers.
• https://podcast.thinkingelixir.com/106 – Previous podcast episode discussing Sam Aaron's work with Elixir and the BEAM.
• https://alchemyconf.com/ – AlchemyConf website is live, with details for the event from March 31 - April 3 in Braga, Portugal.
• https://dontasktoask.com/ – A communication tip for teams: don't ask to ask, just ask.

Do you have some Elixir news to share? Tell us at @ThinkingElixir or email at show@thinkingelixir.com

Find us online

• Message the show - @ThinkingElixir
• 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 X - @bernheisel
• David Bernheisel on Bluesky - @david.bernheisel.com
• David Bernheisel on Fediverse - @dbern@genserver.social

Show Notes online - http://podcast.thinkingelixir.com/199

Elixir Community News

• https://github.com/elixir-lang/elixir/blob/main/CHANGELOG.md#v1170-dev – Elixir 1.17.0-dev changelog update introducing a new Duration type and calendar-specific shifts support.
• https://hexdocs.pm/db_connection/DBConnection.Ownership.html#module-callers-lookup – ExUnit start_supervised now populates $callers, affecting libraries like Mox and Ecto.
• https://hexdocs.pm/mox/Mox.html#module-explicit-allowances – ExUnit changes with regards to $callers provide better support for global mocks like Mox.
• https://github.com/elixir-ecto/ecto_sql/pull/601 – Elixir Ecto experiment for adding support to unlogged tables that could speed up test suites.
• https://twitter.com/josevalim/status/1777990973454262476 – Announcement of ExDoc v0.32 release.
• https://hexdocs.pm/ex_doc/changelog.html – Official changelogs for ExDoc v0.32 highlighting new features like OS default font for content and search bar improvements.
• https://x.com/chris_mccord/status/1776370373946175706 – Cloudflare Workers support for WebSockets and its impact on real-time web experiences.
• https://blog.cloudflare.com/introducing-websockets-in-workers/ – Introduction and explanation of websockets in Cloudflare Workers.
• https://www.phoenixframework.org/blog/the-road-to-2-million-websocket-connections – Chris McCord's blog post on achieving 2 million WebSocket connections.
• https://twitter.com/pragprog/status/1779253657097117890 – Announcement of a new Elixir focused book in beta from PragProg.
• https://twitter.com/sm_debenedetto/status/1779558393373409481 – Additional information about the new PragProg Elixir book.
• https://pragprog.com/titles/beamops/engineering-elixir-applications/ – Direct link to the forthcoming Elixir book on PragProg focused on DevOps for the BEAM ecosystem.
• https://developer.hashicorp.com/terraform/intro – Introduction to Terraform, as covered in PragProg's new Elixir book.
• https://x.com/thibaut_barrere/status/1777702586944036899 – Discussion on a constraint solver implementation in Elixir.
• https://github.com/bokner/fixpoint – Boris Okner's Fixpoint, a constraint solver library for Elixir.
• https://en.wikipedia.org/wiki/NP-completeness – Explanation of NP Completeness related to constraint solving.
• https://twitter.com/hugobarauna/status/1779930969593512159 – Tip on building custom visualizations for Elixir data structures in Livebook using the Kino.Render protocol.

Do you have some Elixir news to share? Tell us at @ThinkingElixir or email at show@thinkingelixir.com

Discussion Resources

• https://cloud.withgoogle.com/next
• https://github.com/brainlid/langchain
• https://github.com/dashbitco/mox
• https://twitter.com/TylerAYoung/status/1780240662341849256 – Tyler's Tweet about Mox
• https://fly.io/phoenix-files/safe-ecto-migrations/

Guest Host Information

• Tyler Young joined as a guest host.
• https://twitter.com/TylerAYoung – on Twitter
• https://github.com/s3cur3 – on Github
• https://fosstodon.org/@tylerayoung – on Fediverse
• https://tylerayoung.com/ – Blog

Find us online

• Message the show - @ThinkingElixir
• Message the show on Fediverse - @ThinkingElixir@genserver.social
• Email the show - show@thinkingelixir.com
• Mark Ericksen - @brainlid
• Mark Ericksen on Fediverse - @brainlid@genserver.social
• David Bernheisel - @bernheisel
• David Bernheisel on Fediverse - @dbern@genserver.social

Sponsored By:

• Fly.io: Fly.io is a great place to deploy your next Phoenix application! Check them out!

Show Notes online - http://podcast.thinkingelixir.com/178

Elixir Community News

• https://www.youtube.com/playlist?list=PLqj39LCvnOWbHaZldxw_g02RaTQ4vQ1eY – Playlist of 44+ ElixirConf US talks now available on YouTube.
• https://www.youtube.com/watch?v=eCnfdHtgAN4&list=PLqj39LCvnOWbHaZldxw_g02RaTQ4vQ1eY&index=39 – Owen Bickford's talk on Elixir's Secret Ingredient at ElixirConf.
• https://www.youtube.com/watch?v=gtCJ56GxKf0&list=PLqj39LCvnOWbHaZldxw_g02RaTQ4vQ1eY&index=43 – Jeffery Utter's ElixirConf presentation on Scaling Teams with Kafka on the BEAM.
• https://www.youtube.com/watch?v=VLO0ma-1uD4&list=PLqj39LCvnOWbHaZldxw_g02RaTQ4vQ1eY&index=44 – Andrew Bennett discusses Erlang Dist Filtering and the WhatsApp Runtime System at ElixirConf.
• https://www.youtube.com/watch?v=bBaZDAynM08 – Michael Lubas's insights into Elixir Security from a Business and Technical Perspective.
• https://dockyard.com/blog/2023/11/01/the-road-toward-live-view-native-v-0-2-part-2 – Update on the progress of LiveView Native, including multi-character sigils and Phoenix layouts.
• https://sessionize.com/lambda-days-2024 – Call for talks for the Lambda Days 2024 conference focused on functional programming in Kraków, Poland.
• https://twitter.com/germsvel/status/1722221427112456533 – Elixir 1.16 introduces the ability to run multiple tests with line numbers as shown by German Velasco.
• https://www.youtube.com/watch?v=bfrzGXM-Z88 – Theo's livestream with José Valim, discussing various topics for 2.5 hours.
• https://peterullrich.com/test-an-external-read-only-repository-in-phoenix – Peter Ullrich's method for testing an external, read-only repository in Phoenix.

Do you have some Elixir news to share? Tell us at @ThinkingElixir or email at show@thinkingelixir.com

Discussion Resources

• 7:43 - David introduces and explains Safe Ecto migrations.
• Updates on Safe Ecto for additional safety features and latest improvements.
• Review of the performance of using text columns in databases showing that they have the same performance as VARCHAR types.
• Examples provided of non-immutable expressions within database contexts.
• Highlighting an error that can occur when backfilling data without a sort order.
• Suggestion that Common Table Expressions (CTE) offers a more reliable method for certain database operations.
• David's call for a library to assist with running database operations through a UI, indicating the desire for tooling improvements.
• Consider the use-cases in the development and implementation of safety tools for databases.
• 18:47 - Mark discusses new Fly.io GPU hardware, model improvements, and the Bumblebee tool.
• Mistral LLM and its capabilities in the AI space.
• Insights into running Bumblebee on GPUs and performance considerations.
• Importance of Mistral being self-hosted.
• Explanation of why self-hosting AI models like Mistral is significant for developers and users.
• OpenAI's outage interrupted Mark's AI-powered workout trainer.
• Outlining the Elixir LangChain goals, its roadmap, and potential impact on AI and data processing.
• Discussion on how Large Language Models (LLMs) are effectively used for data extraction tasks.
• Discussion on what an AI router is and what problem it solves.

Find us online

• Message the show - @ThinkingElixir
• Message the show on Fediverse - @ThinkingElixir@genserver.social
• Email the show - show@thinkingelixir.com
• Mark Ericksen - @brainlid
• Mark Ericksen on Fediverse - @brainlid@genserver.social
• David Bernheisel - @bernheisel
• David Bernheisel on Fediverse - @dbern@genserver.social
• Cade Ward - @cadebward
• Cade Ward on Fediverse - @cadebward@genserver.social

Sponsored By:

• Fly.io: Fly.io is a great place to deploy your next Phoenix application! Check them out!

Show Notes online - http://podcast.thinkingelixir.com/159

Elixir Community News

• https://twitter.com/josevalim/status/1674817111863054337 – Elixir v1.15.2 and Erlang/OTP 26.0.2 are both out. All of the known bugs have been ironed out. This release also contains fixes needed by ElixirLS. ElixirLS release 0.15.1 leverages these.
• https://github.com/elixir-lang/elixir/releases/tag/v1.15.1
• https://github.com/elixir-lang/elixir/releases/tag/v1.15.2
• https://twitter.com/josevalim/status/1675900744954785796 – Elixir's type system has moved out of the “research” phase into the “development” phase.
• https://elixir-lang.org/blog/2023/06/22/type-system-updates-research-dev/
• https://twitter.com/ElixirConf/status/1675995012453093376 – José will be talking more about the Elixir work around types in his ElixirConf US 2023 keynote talk.
• https://twitter.com/josevalim/status/1674893183640125442 – José shared where he wants to turn more of his focus in Elixir 1.16. It's all around “docs”.
• https://github.com/woodward/integrator – A new Nx focused Hex package by Greg Woodward called “Integrator”.
• https://github.com/woodward/integrator/tree/main/guides – Includes Livebook guides with samples
• https://twitter.com/whatyouhide/status/1675887336339406850 – Andrea Leopardi released v2.0.0 of Corsica, an Elixir library for handling CORS requests.
• https://hex.pm/packages/corsica
• https://twitter.com/voltonez/status/1676125858581422080 – Bram Verburg pointed out AWS RDS database connection failure issue after upgrading to Erlang/OTP 26 is probably due to certificate validation.
• https://elixirforum.com/t/aws-rds-castore-certificate-validation-for-aws-rds-dbs/55111
• https://github.com/voltone/aws_rds_castore – The Hex package aws_rds_castore to help manage AWS CA certificates
• https://hex.pm/packages/image – Image 0.35.0 was released. Updates primarily focused on image contrast.
• https://twitter.com/DNAutics/status/1676059564188286976 – ZigDocs was released
• https://hexdocs.pm/zig_doc/Zig.Doc.html – Integrates Zig documentation into Elixir docs.
• https://getoban.pro/releases#1.0.0 – Oban Pro v1.0 is out without any new features or bugfixes, purely a renamed engine and deprecation cleanup.

Do you have some Elixir news to share? Tell us at @ThinkingElixir or email at show@thinkingelixir.com

Discussion Resources

• https://blog.langchain.dev/announcing-our-10m-seed-round-led-by-benchmark/ – Langchain announced $10m seed round
• https://js.langchain.com/docs/ – Langchain JS docs and introduction to the project
• https://python.langchain.com/docs/get_started/introduction.html – Python version of the docs
• Be agentic - allow a language model to interact with its environment
• https://github.com/orthagonal/langchainex – Existing Elixir library called langchainex.
• https://twitter.com/josevalim/status/1668726716947222528 – José talked about OpenAI's new function support
• https://openai.com/blog/function-calling-and-other-api-updates – OpenAI blog announcing official function calling support
• https://dscout.com/
• David is thinking about Oban and data migrations
• https://fly.io/phoenix-files/safe-ecto-migrations/ – David wrote a guide on how to run Safe Ecto Migrations for production systems
• https://github.com/fly-apps/safe-ecto-migrations – Guide to Safe Ecto Migrations on Github

Find us online

• Message the show - @ThinkingElixir
• Message the show on Fediverse - @ThinkingElixir@genserver.social
• Email the show - show@thinkingelixir.com
• Mark Ericksen - @brainlid
• Mark Ericksen on Fediverse - @brainlid@genserver.social
• David Bernheisel - @bernheisel
• David Bernheisel on Fediverse - @dbern@genserver.social
• Cade Ward - @cadebward
• Cade Ward on Fediverse - @cadebward@genserver.social

Sponsored By:

• Fly.io: Fly.io is a great place to deploy your next Phoenix application! Check them out!