Thinking Elixir Podcast Podcast Por ThinkingElixir.com arte de portada

Thinking Elixir Podcast

Thinking Elixir Podcast

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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!© 2026 Mark Ericksen Política y Gobierno
Episodios
  • 297: JavaScript Joins the BEAM?

    297: JavaScript Joins the BEAM?
    Mar 31 2026
    News includes Quickbeam, an exciting new research project that brings a full JavaScript runtime inside the BEAM with OTP supervision, native DOM access, and a built-in TypeScript toolchain, plus a companion Volt asset pipeline for Elixir; José Valim highlights how Elixir’s type system work is already inspiring optimizations in Python’s Ruff project, and shares a new blog post on the latest BDD performance improvements coming in Elixir v1.20; LiveView Debugger v0.7 arrives with source code links, nested live view tree structure, and a closer path to v1.0; a new browser-based Elixir Language Tour expands its Processes chapter with hands-on GenServers, Supervisors, and more; Oban v2.21 lands with workflow tracking, rate limiting, and massive index improvements; and more! Show Notes online - http://podcast.thinkingelixir.com/297 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://github.com/elixir-volt/volt – Volt - a new asset pipeline for Elixir that replaces esbuild wrapper, Tailwind CLI, and node_modules.https://x.com/dan_note/status/2033975642057019499 – Announcement post for the Volt asset pipeline for Elixir.https://x.com/dan_note/status/2032139121850728939 – Announcement post for Quickbeam, a JavaScript runtime for the BEAM.https://github.com/elixir-volt/quickbeam – Quickbeam - a JavaScript runtime for the BEAM with Web APIs backed by OTP, native DOM, and a built-in TypeScript toolchain. Still an early beta research project.https://github.com/cocoa-xu/exclosured – ExClosured - a new framework for compiling Rust to WebAssembly, running it in the browser, and hooking into Phoenix LiveView.https://exclosured.app/ – Demo site for ExClosured, showing image manipulation and SQLite-in-the-browser examples.https://x.com/josevalim/status/2034623221807370570 – José Valim highlights how Elixir's type system work has inspired optimizations in Python's Ruff/ty project.https://github.com/astral-sh/ruff/pull/23881 – Pull request on the Python Ruff project applying BDD optimization techniques inspired by Elixir's type system work.https://github.com/astral-sh/ruff – Ruff - an extremely fast Python linter and code formatter, written in Rust.https://x.com/josevalim/status/2034624137981739153 – José Valim shares his latest blog post on type system optimizations for differences.https://elixir-lang.org/blog/2026/03/19/lazy-bdds-with-eager-literal-differences/ – Elixir blog post - "Lazy BDDs with eager literal differences" - covering the latest round of type system performance optimizations, available in Elixir v1.20.0-rc4.https://x.com/swmansionelixir/status/2034295512862490655 – Announcement of LiveView Debugger v0.7 with new features including source code links, better filtering, and tree structure for nested live views.https://docs.swmansion.com/live-debugger/ – LiveView Debugger documentation site.https://www.youtube.com/watch?v=SvKGXRNo-_E – YouTube video showing the new features in LiveView Debugger v0.7.https://x.com/swmansionelixir/status/2034650679986327924 – Announcement of a new version of the fully browser-based Elixir Language Tour, with an expanded Processes chapter covering Links, Agents, GenServers, and Supervisors.https://elixir-language-tour.swmansion.com/introduction – The Elixir Language Tour - a browser-based interactive tour running Elixir in WebAssembly via Popcorn.https://elixirforum.com/t/gettext-sigils-a-sigil-for-using-gettext-with-less-boilerplate-and-better-readability/74645 – Elixir Forum post introducing gettext_sigils, a library that wraps gettext helpers into a sigil for less boilerplate.https://github.com/zebbra/gettext_sigils – gettext_sigils - a library that simplifies gettext usage with a ~t sigil, e.g. ~t"Hello, #{user.name}" instead of gettext("Hello, %{name}", name: user.name).https://peterullrich.com/a-devcontainer-for-elixir – Blog post by Peter Ullrich - "A Devcontainer for Elixir" - on running Elixir in a dev container for safer LLM-assisted coding.https://containers.dev/ – The open specification for enriching containers with development-specific content and settings.https://github.com/anthropics/claude-code/tree/main/.devcontainer – Anthropic's dev container used as the starting point for Peter Ullrich's Elixir dev container.https://github.com/PJUllrich/devcontainer – Peter Ullrich's Claude-based Devcontainer for Elixir development with Phoenix, Claude Code, and optionally Tidewave.https://x.com/josevalim/status/2034952526039056700 – José Valim responds to a "What Would José Valim Do?" Claude memory prompt shared by an Elixir developer, offering his actual advice which differed from the LLM's take on behaviours and abstractions.https://x.com/sorentwo/status/2036839452102840414 – Announcement of Oban v2.21, Pro v1.7, Web v2.12, and Met v1.1 with workflow ...
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    36 m
  • 296: OpenAI Chose Elixir and A VM Inside a VMV

    296: OpenAI Chose Elixir and A VM Inside a VMV
    Mar 24 2026
    Elixir v1.20.0-rc.2 and rc.3 arrive with a faster compiler, better type inference, and improved incremental compilation; José Valim drops a low-key bombshell with Distributed Python running on top of the Erlang distribution with full Livebook integration; Chris McCord wows the community with fly_deploy, enabling zero-downtime hot code upgrades on Fly.io using the BEAM's ability to boot a peer VM inside a running VM; Discord shares a deep dive into how they added distributed tracing to their Elixir systems without melting everything; Popcorn v0.2 brings Elixir to the browser as a proper npm package; OpenAI's Symphony project — built in Elixir — sparks conversation about vibe-coded BEAM code and whether TypeScript tools can truly replicate what the BEAM offers, and more! Show Notes online - http://podcast.thinkingelixir.com/296 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/2029221739285057565 – José Valim announced Elixir v1.20.0-rc.2 and rc.3 on X. The compiler finds more bugs, is ~10% faster, has a new interpreted mode (up to 5x faster), and improves incremental compilation for struct changes.https://github.com/elixir-lang/elixir/releases/tag/v1.20.0-rc.2 – Release page for Elixir v1.20.0-rc.2.https://github.com/elixir-lang/elixir/releases/tag/v1.20.0-rc.3 – Release page for Elixir v1.20.0-rc.3, including a number of fixes and IEx autocomplete optimization.https://x.com/chris_mccord/status/2029630330630508929 – Chris McCord shared how the BEAM supports booting a :peer node as a VM within the VM, enabling "hot bluegreen" deploys on Fly.io — spinning up a new incoming VM and cutting over seamlessly while both peers stay clustered.https://hex.pm/packages/fly_deploy – Hex package page for fly_deploy, Chris McCord's new library for zero-downtime hot code upgrades on Fly.io without restarts.https://github.com/chrismccord/fly_deploy – GitHub repo for fly_deploy, which enables hot code upgrades for Elixir apps on Fly.io by suspending processes, swapping in new code, migrating state via code_change callbacks, and resuming — without downtime.https://hexdocs.pm/fly_deploy/FlyDeploy.html#module-limitations-vs-otp-releases – Documentation outlining the limitations of fly_deploy's hot deploy approach, such as inability to change supervision trees or application config.https://discord.com/blog/tracing-discords-elixir-systems-without-melting-everything – Discord engineering blog deep dive on how they added distributed tracing to their Elixir systems. They built an internal Transport library that wraps messages in an Envelope struct carrying serialized trace context, enabling gradual zero-downtime rollout.https://x.com/gleamlang/status/2033581228834603090 – Gleam announced the release of v1.15.0 on X.https://github.com/gleam-lang/gleam/releases/tag/v1.15.0 – Release page for Gleam v1.15.0, with changes across the compiler, build tools, language server, and many bug fixes.https://github.com/gleam-lang/gleam/blob/v1.15.0/CHANGELOG.md – Full changelog for Gleam v1.15.0.https://hexdocs.pm/phoenix_test/PhoenixTest.html – HexDocs page for PhoenixTest, which released v0.10.0 with all additions and fixes contributed by the community.https://github.com/germsvel/phoenix_test – GitHub repo for PhoenixTest.https://github.com/germsvel/phoenix_test/blob/main/CHANGELOG.md – Changelog for PhoenixTest v0.10.0, including support for dynamic inputs, conditionally rendered form inputs, and a new reload_page/1 helper.https://x.com/josevalim/status/2031794508745028012 – José Valim announced Distributed Python on top of Erlang distribution, with full Elixir and Livebook integration.https://dashbit.co/blog/distributed-python-livebook – Dashbit blog post detailing the Distributed Python integration in Livebook, including reproducible Python environments with uv, full Python cell support with autocompletion and docs on hover, zero-copy Apache Arrow, and interoperability with Elixir cells.https://x.com/expert_lsp/status/2031873718415204439 – Expert v0.1.0-rc.6 was released with bug fixes.https://x.com/swmansionelixir/status/2032119765267788202 – SW Mansion announced Popcorn v0.2, which adds a proper npm package for running Elixir in the browser.https://blog.swmansion.com/the-three-lang-problem-shipping-elixir-runtime-js-and-webassembly-as-one-npm-package-5a7b76ad5b90 – Blog post about the process of shipping Elixir runtime, JavaScript, and WebAssembly as one npm package with Popcorn.https://www.npmjs.com/package/@swmansion/popcorn – npm package page for Popcorn, the library that lets you run Elixir in the browser.https://www.reddit.com/r/elixir/comments/1rrds3n/announcing_nex_040_the_minimalist_elixir/ – Reddit announcement for Nex 0.4.0, a minimalist Elixir web framework powered by HTMX, inspired by ...
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    47 m
  • 295: Is Your Type System Leaking?

    295: Is Your Type System Leaking?
    Mar 10 2026
    News includes José Valim publishing a deep technical post on Elixir's type system shift from DNFs to Lazy BDDs with eager literal intersections — cutting worst-case type checking from 10 seconds to 25ms — alongside a more approachable Dashbit post on type systems as leaky abstractions, Zach Daniel's new usage_rules feature for shipping versioned AI skills inside Hex packages, Oban Pro teasing a major Workflow + Web UI overhaul with graph views and progress tracking, MDEx v0.11.6 landing with a new :codefence_renderers option, Livebook Desktop adding Linux support, Flame On hitting v1.0.0 after four years, a new Gleam static site generator called Blogatto, a native Elixir Apache Spark Connect client with Livebook integration, and more! Show Notes online - http://podcast.thinkingelixir.com/295 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://erlef.org/ – David encourages companies that use Elixir to sponsor the Erlang Ecosystem Foundation, emphasizing it's a community responsibility and any amount helps.https://nitter.net/josevalim/status/2026957172807025095 – José Valim announces a new technical blog post on elixir-lang.org about set-theoretic type system internals.https://elixir-lang.org/blog/2026/02/26/eager-literal-intersections/ – José Valim's deep-dive post on switching from DNFs to Lazy BDDs and adding eager literal intersections, reducing a worst-case type check from 10s to 25ms in Elixir v1.20.https://nitter.net/josevalim/status/2028820597761831058 – José Valim announces a more approachable blog post on type systems as leaky abstractions.https://dashbit.co/blog/type-systems-are-leaky-abstractions-map-take – Dashbit post by José Valim arguing with concrete examples that type systems can be leaky abstractions that resist refactoring, using Map.take!/2 as a case study.https://x.com/zachsdaniel1/status/2027078981451690355 – Zach Daniel announces a new usage_rules feature that supports copying skills from packages, allowing package authors to ship and version AI skills for projects.https://github.com/ash-project/usage_rules – The usage_rules GitHub repo for the Ash project's AI coding rules and skills feature.https://bsky.app/profile/oban.pro/post/3mg5yd4lul22a – Sorentwo teases upcoming Oban Pro Workflow + Web improvements, including a new Workflows search page with progress bars, stats, filters, and a graph view of workflow nodes.https://github.com/leandrocp/mdex/releases/tag/v0.11.6 – MDEx v0.11.6 release notes, adding :codefence_renderers option and fixes to the syntax highlighter and streaming parser.https://nitter.net/leandrocesquini/status/2026671063820615755 – Leandro Cesquini announces the MDEx v0.11.6 release on social media.https://hexdocs.pm/mdex/codefence_renderers.html – HexDocs page for MDEx's new codefence_renderers feature, enabling custom code fences like alert, Pikchr, chart, csv, and more.https://github.com/leandrocp/mdex – The MDEx GitHub repository for the Elixir Markdown parsing and rendering library.https://github.com/dbernheisel/hex-cmp – David's new Neovim plugin that autocompletes hex.pm packages and versions in mix.exs files using blink.cmp and Treesitter, with lightweight LSP hover docs.https://nitter.net/1stavenger/status/2027943235096641839 – Mike Binns announces the v1.0.0 release of Flame On, a flame chart plugin for Phoenix Live Dashboard, after 4+ years.https://blogat.to/ – Blogatto is a new Gleam static site generator framework built on Lustre and Markdown, generating blogs, RSS feeds, sitemaps, and more from a single config.https://nitter.net/lukaszsamson/status/2028268416939786430 – Łukasz Samson announces spark_ex, a native Elixir Apache Spark Connect client with Livebook integration.https://github.com/lukaszsamson/spark_ex/blob/main/notebooks/spark_ex_demo.livemd – Demo Livebook notebook for spark_ex to quickly start experimenting with Apache Spark from Elixir.https://spark.apache.org/ – Apache Spark™ official site — a multi-language engine for data engineering, data science, and machine learning on single-node or cluster environments.https://bsky.app/profile/hugobarauna.com/post/3mg6djqvhzc2w – Hugo Baraúna announces that Livebook Desktop now supports Linux, powered by the same Tauri-based cross-platform packaging work reported last week.https://bsky.app/profile/peregrine.bsky.social/post/3mg77yqlf7k2b – Announcement that Easel can now render to the terminal using rasterization via Easel.WX, ASCII glyph masks, and the termite library.https://hexdocs.pm/easel/readme.html#terminal-backend-experimental – HexDocs page for Easel's experimental terminal backend, detailing how it rasterizes and renders frames to a terminal session.https://nitter.net/FrancescoC/status/2027699563474173983 – Francesco Cesarini announces the new "BEAM There, Done That...
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    27 m
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