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!

  1. −11 H

    294: Compile Times, Language Servers, and Python, Oh My!

    News includes the long-awaited Expert LSP releasing its first release candidate — the unified Elixir Language Server merging Lexical and Next LS — with monorepo support and early adopter feedback already glowing, José Valim shares exciting Elixir v1.20 compile time improvements bringing up to 20% faster compilation on OTP 29 and up to 5x faster with a new interpreted mode, Livebook Desktop makes the move to Tauri bringing Linux support and plans for a reusable Tauri+Elixir package, a new erlang-python library arrives for running Python ML/AI code from Elixir with true parallelism, Nx v0.11 lands with sharding support and MPS backend improvements, and more! Show Notes online - http://podcast.thinkingelixir.com/294 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://nitter.net/expert_lsp/status/2025624737737539876 – Announcement tweet for Expert LSP v0.1.0-rc.1, the unified Elixir Language Server combining Lexical and Next LS. https://nitter.net/mitchhanberg/status/2025625898322469367 – Mitch Hanberg's tweet about the Expert LSP v0.1.0-rc.1 release candidate. https://expert-lsp.org/the-first-release-candidate/ – Blog post accompanying the Expert LSP v0.1.0-rc.1 release, covering stability goals and the near-term roadmap. https://github.com/elixir-lang/expert – GitHub repository for Expert, the unified Elixir Language Server. Includes features like compiler diagnostics, completions, go-to-definition, monorepo support, and more. https://nitter.net/tylerayoung/status/2025659771789905966 – Tyler Young shares his team's experience using Expert at Jump, calling it the best Elixir LSP experience he's had. https://nitter.net/benoitc/status/2024059742096687482 – Benoît Chesneau announces the erlang-python package, enabling Python ML/AI integration with Erlang/Elixir concurrency. https://github.com/benoitc/erlang-python – GitHub repository for erlang-python, which lets you run Python code from Erlang or Elixir with true parallelism, async/await support, and seamless integration. https://nitter.net/josevalim/status/2024464732535521316 – José Valim announces that Livebook Desktop has been converted to Tauri, adding Linux support and plans to extract the Tauri integration as a reusable package. https://github.com/livebook-dev/livebook#desktop-app – Livebook Desktop nightly builds using the new Tauri-based app for Linux, macOS, and Windows. https://tauri.app/ – Homepage for Tauri, a cross-platform desktop app framework (Linux, Mac, Windows, Android, iOS) used to build Livebook Desktop. https://github.com/tauri-apps/tauri – GitHub repository for Tauri, the Rust-based framework now powering Livebook Desktop. https://nitter.net/josevalim/status/2024538544685851099 – José Valim shares a detailed update on Elixir v1.20 compile time improvements — ~10% faster on OTP 28, ~20% on OTP 29, and up to 5x faster with a new interpreted mode. https://github.com/josevalim/langcompilebench – Repository created by José Valim to benchmark and compare compilation times across BEAM languages (Elixir, Erlang, Gleam) with open, public measurements. https://github.com/elixir-lang/elixir/commit/c40c140e3f524fa8384efd33137ec1c3fab341d3 – Elixir commit that achieved a ~10% compile speed improvement by delaying module deletion, reducing single-core lock contention. https://github.com/erlang/otp/pull/10615 – Erlang/OTP PR that optimized module loading by reducing single-core lock usage, improving both compilation and boot times by ~10%. https://github.com/elixir-lang/elixir/pull/15087 – Elixir PR adding an interpreted mode to bypass code loading, resulting in up to 5x faster compile times on multi-core machines. https://nitter.net/josevalim/status/2025930710482120825 – José Valim announces an upcoming Elixir v1.20 improvement that drastically reduces incremental recompilation when struct fields are added or removed. https://nitter.net/polvalente/status/2024641604313571328 – Paulo Valente announces the release of Nx v0.11, with new features including faster evaluated mode, Nx.runtime_callback, sharding support, and MPS support in Torchx. https://hex.pm/packages/nx – Hex package page for Nx v0.11, Elixir's numerical computing library. https://hex.pm/packages/exla – Hex package page for EXLA v0.11, the XLA-based backend for Nx with faster build times and sharding support. https://hex.pm/packages/torchx – Hex package page for Torchx v0.11, the LibTorch backend for Nx now with MPS (Apple Silicon GPU) support. https://github.com/elixir-nx/nx – Monorepo for the Nx ecosystem, containing Nx, EXLA, and Torchx packages. https://github.com/ash-project/usage_rules – The usage_rules package reached v1.0 and beyond (now at v1.2.1). It synchronizes LLM rules files with your dependencies and is independent of Ash. https://bsky.app/profile/tylerayoung.com/post/3mfcfrhsios2a – Tyler Young shares a doctest quick tip — you can omit the result line in an Elixir doctest and use pattern matching with the iex line continuation syntax instead. https://nitter.net/jeffreyguenther/status/2026308201025785940 – Announcement tweet for Courgette, a new declarative TUI (Terminal User Interface) framework for Elixir built on OTP. https://github.com/LoamStudios/courgette – GitHub repository for Courgette, a LiveView-inspired TUI framework for Elixir featuring a Flexbox layout engine, stateful components, incremental rendering at ~60 FPS, and zero dependencies. https://github.com/Gazler/breeze – Breeze, another Elixir TUI framework that Courgette resembles in approach. https://en.wikipedia.org/wiki/Kitty_(terminal_emulator) – Wikipedia page for the Kitty terminal emulator, whose keyboard protocol is supported by Courgette for full keyboard input handling. 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

    31 min

  2. 24 FEB.

    293: The BEAM as the Universal Runtime

    News includes Hackney v3.1.0 dropping ~1.3 million lines of C code in favor of a pure Erlang QUIC implementation for HTTP/3 support, Benoît Chesneau's Hornbeam 1.0.0 bringing Erlang-powered hosting to Python web apps with performance that puts Gunicorn to shame, the Easel library offering a Canvas 2D drawing API for Elixir that works with Phoenix LiveView and native WX windows, Hologram v0.7.0 hitting a major milestone with client-side Erlang runtime coverage jumping from 34% to 96%, and more! Show Notes online - http://podcast.thinkingelixir.com/293 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://nitter.net/benoitc/status/2023675416465023212 – Benoît Chesneau announces Hackney v3.1.0, a simple HTTP client for Erlang, now with HTTP/3 support via pure Erlang — no C compiler, CMake, or Go required. https://github.com/benoitc/hackney/releases/tag/3.1.0 – Hackney v3.1.0 release notes. Removes ~1.3M lines of C code (lsquic, BoringSSL, NIF) and replaces them with a pure Erlang QUIC implementation. https://en.wikipedia.org/wiki/QUIC – Background on QUIC, the general-purpose transport layer protocol underlying HTTP/3 support in Hackney v3.1.0. https://nitter.net/benoitc/status/2023711566370402574 – Benoît Chesneau announces Hornbeam 1.0.0, an Erlang-powered WSGI/ASGI server for Python apps — 9x faster than Gunicorn, 10x lower latency. https://github.com/benoitc/hornbeam – Hornbeam GitHub repository. Run Flask, FastAPI, and Django on the BEAM with Erlang's concurrency, resilience, and distribution. https://hornbeam.dev/ – Hornbeam landing site — "When Python Meets Erlang." Highlights AI readiness, distributed clustering, supervisors, and no GIL concerns. https://nitter.net/benoitc/status/2024066551092031773 – Follow-up post announcing Hornbeam v1.3.0, achieving 68k req/s — 2x faster than Uvicorn/Gunicorn — with new NIF modules for direct C-level marshalling. https://github.com/ivarvong/pyex – PyEx — run LLM-generated Python inside your Elixir app with no containers, no ports, and no process isolation. Related project showing BEAM/Python integration. https://bsky.app/profile/peregrine.bsky.social/post/3mehfa2urpc2w – Jason Stiebs announces Easel v0.2.0, a Canvas 2D API for Elixir enabling drawing to Phoenix LiveView, native WX windows, or custom backends. https://github.com/jeregrine/Easel – Easel GitHub repository. Supports layers, animations, event handling, templating, and both LiveView and Wx rendering backends. https://easel-demo.fly.dev/ – Live demo of Easel running on Fly.io — all computations done in Elixir, sent over WebSocket to a canvas. https://en.wikipedia.org/wiki/Boids – Background on Boids, the artificial life program simulating flocking behaviour that inspired Easel's visual simulation capabilities. https://nitter.net/Bart_Blast/status/2021741047903105527 – Hologram v0.7.0 announced — 49 contributors ported 150 Erlang functions to JS, pushing client-side Erlang runtime coverage from 34% to 96%. https://hologram.page/blog/porting-initiative-delivers-hologram-v0-7-0 – Hologram v0.7.0 blog post detailing the porting initiative. Overall Elixir standard library readiness grew from 74% to 87%, moving closer to full-stack pure Elixir development. Tidewave now supports OpenCode, and is deprecating "Bring your own key" support in favor of Codex, Claude Code, or OpenCode for richer agent features like MCPs, skills, planning, and compaction. 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

    29 min

  3. 17 FEB.

    292: Sage Advice for AI Agents

    TNews includes Mark announcing his new Sagents library for building AI agents with human-in-the-loop oversight and real-time debugging capabilities, José Valim's blog post on why Elixir is the best language for AI based on recent completion rate studies, LiveDebugger v0.6.0 with custom events and enhanced exception handling, an analysis of Elixir developer salaries showing US senior remote positions at ~$163k median, Peter Ullrich's new MCP server implementation for Elixir, a revamp of Lua for Elixir with improved tooling, Elixir Hub's new events section for finding conferences and meetups, and a discussion on whether AI advancements like Opus 4.6 are eliminating the SDK advantage of more popular languages, and more!e Show Notes online - http://podcast.thinkingelixir.com/292 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/sagents-ai – Github organization home to the Sagents projects https://github.com/sagents-ai/sagents – Mark announces Sagents - "Sage Agents" library combining wisdom with LLM-based agents, featuring HITL, SubAgents, GenServer architecture, Phoenix.Presence integration, middleware system, and more https://github.com/sagents-ai/sagents_live_debugger – Phoenix LiveView dashboard for debugging and monitoring Sagents agents in real-time with visibility into agent execution, message history, tool calls, and events https://github.com/sagents-ai/agents_demo – Demonstration Phoenix LiveView application showcasing Sagents's multi-conversation agent architecture with isolated AI agents and real-time updates https://nitter.net/josevalim/status/2019422467446698493 – José Valim announces his new blog post on why Elixir is the best language for AI https://dashbit.co/blog/why-elixir-best-language-for-ai – José Valim's blog post explaining why Elixir is best for AI, focusing on immutability, documentation, stability, and tooling for coding agents https://tidewave.ai/blog/the-future-of-coding-agents-is-vertical-integration – Study showing Elixir had the highest completion rate across models among 20 different languages https://www.reddit.com/r/elixir/comments/1qwqg1p/livedebugger_v060_custom_events_enhanced/ – Reddit discussion about LiveDebugger v0.6.0 release https://github.com/software-mansion/live-debugger – LiveDebugger v0.6.0 with custom events, enhanced exceptions, and temporary assigns support https://www.youtube.com/watch?v=G2KP0JdRmdo – Video demonstrating new LiveDebugger v0.6.0 features https://nitter.net/swmansionelixir/status/2020895787136201050 – Software Mansion announces LiveDebugger v0.6.0 on social media https://hexhire.io/elixir-developer-salaries – Analysis of Elixir job market and salary rates showing US senior remote median at ~$163k, with limited junior positions and wide variation in European rates https://www.reddit.com/r/elixir/comments/1qxeuoe/elixir_salary_data_from_216_remote_job_listings/ – Reddit discussion of Elixir salary data from 216 remote job listings https://github.com/PJUllrich/emcp – Peter Ullrich releases emcp, a minimal Model Context Protocol (MCP) server for Elixir built with Opus 4.6 https://bsky.app/profile/peterullrich.com/post/3mebgikthgk2u – Peter Ullrich announces emcp on Bluesky https://hex.pm/packages/phantom_mcp – David's Elixir MCP project built to handle session difficulties https://nitter.net/davydog187/status/2019778141040832567?s=20 – Dave Lucia announces Lua for Elixir revamp with top-notch error messages, quote/unquote fragments, and formatters https://nitter.net/curiosum_dev/status/2021187697646199214 – Curiosum announces new events section on Elixir Hub website https://elixir-hub.com/events – Elixir Hub events section for finding conferences, meetups, and workshops with free event listing Discussion on whether AI advancements like Opus 4.6 change the game for Elixir adoption, potentially eliminating the advantage of languages with official SDKs https://www.anthropic.com/engineering/building-c-compiler – Anthropic post on building with AI capabilities 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

    42 min

  4. 10 FEB.

    291: From 2x Compilation to Junior Comprehension

    News includes José Valim announcing another major compilation time improvement coming to Elixir v1.20 achieving 2x speedup while adding the type checker, a new alternative Erlang syntax called Telelang, Membrane's YOLO plugin bringing AI-powered object detection to video pipelines, Christian Alexander's Claude Skill for automating dependency updates through AI conversation, José Valim's experimental PR Quiz tool that transforms code reviews into interactive learning experiences inspired by Anthropic research on AI coding skills, legal changes to US SBOM requirements, AshPartition for database partitioning, building containers directly from Erlang/Elixir code, and the complete ElixirConf EU speaker lineup featuring 39 speakers plus keynotes from José Valim and Chris McCord! Show Notes online - http://podcast.thinkingelixir.com/291 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://nitter.net/josevalim/status/2017671777187438683 – José Valim shared another compilation time improvement coming to Elixir v1.20 RC. Livebook compilation time went from 6.4s to 3.2s over 3 years, achieving 2x improvement while adding the type checker. Much of this came from removing single core bottlenecks for better CPU utilization. https://telelang.org/ – Telelang - an alternative syntax for Erlang that compiles to Erlang code without changing semantics or standard library. https://github.com/fancycade/tele – GitHub repository for Tele. Marked as experimental and unstable, but demonstrates an interesting approach to creating a different syntax and parser without deeper changes. https://nitter.net/swmansionelixir/status/2018345705614549274 – Announcement of Membrane YOLO Plugin for AI-powered object detection in Elixir multimedia pipelines. https://www.reddit.com/r/elixir/comments/1quo8ym/membrane_yolo_plugin_aipowered_object_detection/ – Reddit discussion about the Membrane YOLO Plugin. https://github.com/membraneframework/membrane_yolo_plugin – Membrane YOLO Plugin repository showing real-time object detection in video streams using Nx models directly within Membrane pipelines. https://github.com/intility/erlang-oci-builder – Build containers directly from Erlang/Elixir codebase - essentially a code-driven Dockerfile declaration with registry push support. https://hexdocs.pm/oci – Massdriver's OCI library providing a Plug for accepting Docker Registry's HTTP API. https://gist.github.com/ChristianAlexander/838100a7a34d26c43bd829fad17c4e5d – Christian Alexander's Claude Skill for updating Elixir dependencies, describing a workflow for handling updates and breaking changes through AI conversation. https://nitter.net/rootcert/status/2016889334939734033 – Christian Alexander's tweet about the dependency update skill, describing how it changed the update cycle from painful to conversational. https://diff.hex.pm/ – Hex package diff tool, suggested as addition for security review of dependency upgrades. https://nitter.net/zachsdaniel1/status/2018350155905347807 – Announcement of AshPartition, a new Ash-related package for managing partitions. https://hexdocs.pm/ash_postgres_partition/dsl-ashpostgrespartition.html – Documentation for AshPartition DSL. https://github.com/m0rt3nlund/ash_postgres_partition – AshPartition GitHub repository - a community contributed helper library for adding partitions in Ash using AshPostgres with tenant support. https://www.securityweek.com/white-house-scraps-burdensome-software-security-rules/ – White House rescinds Biden-era software security guidance including SBOM requirements, shifting responsibility to individual agencies. However, SBOMs expected to continue due to European initiatives. https://yro.slashdot.org/story/26/01/30/2041200/white-house-scraps-burdensome-software-security-rules – Slashdot coverage of the software security rules change. https://nitter.net/josevalim/status/2018350969545736254 – José Valim shares a vibe-coded MCP App built over the weekend that turns pull request reviews into interactive learning experiences inside Claude Desktop. https://github.com/tidewave-ai/pr-quiz – PR Quiz open source project - turns pull request reviews into interactive learning experiences with a 7:25 minute demo video. https://www.anthropic.com/research/AI-assistance-coding-skills – Anthropic research on "How AI assistance impacts the formation of coding skills" showing junior developers who fully relied on AI learned less. Emphasizes that cognitive effort and getting stuck is important for mastery. https://www.elixirconf.eu/#keynotes – ElixirConf EU speaker list is complete with 39 speakers plus keynotes from José Valim and Chris McCord. Conference in Málaga, Spain (and virtual) on April 23-24. In-person tickets €539 (early bird), virtual €129. 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

    33 min

  5. 3 FEB.

    290: Postgres Finally Gets Real Search

    News includes Elixir v1.20.0-rc.1 with important type system improvements, not one but two new Elixir-native Bash interpreters for seamless interop, LiveCapture bringing zero-boilerplate storybooks to LiveView components, Christian Alexander's DurableObject library for persistent actors inspired by Cloudflare, Postgres getting a game-changing BM25 text search extension that rivals Elasticsearch, a breakthrough RAG approach that eliminates vector databases entirely while achieving 98.7% accuracy, and more! Show Notes online - http://podcast.thinkingelixir.com/290 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-lang/elixir/releases/tag/v1.20.0-rc.1 – Elixir v1.20.0-rc.1 released with bug fixes including improved type system performance and bitstring type handling https://elixirforum.com/t/elixir-v1-20-0-rc-0-and-rc-1-released-type-inference-of-all-constructs/73927/31 – Discussion of Credo warning issue with missing @moduledoc when using Elixir 1.20 RCs - fix is to upgrade Credo http://github.com/tv-labs/bash – New Elixir-native Bash interpreter with complete implementation of Bash built-ins and quirks https://github.com/elixir-ai-tools/just_bash – Second Elixir-native Bash interpreter implementation https://github.com/achempion/live_capture – LiveCapture - zero-boilerplate storybook for LiveView components requiring only single line capture_all() https://elixirforum.com/t/livecapture-zero-boilerplate-storybook-for-liveview-components-by-waffle-creator/74028 – ElixirForum post with more details about LiveCapture by Boris Kuznetsov https://captures.captureui.com/phoenix_live_dashboard/components/Elixir.Phoenix.LiveDashboard.HomePage/render – Example LiveCapture storybook showing all components from LiveDashboard https://github.com/leandrocp/autumn/blob/main/CHANGELOG.md – Autumn has been renamed to Lumis - v0.1.0 has same API as autumn v0.6.0 https://github.com/leandrocp/mdex – MDEx project that uses Lumis for syntax highlighting https://nitter.net/swmansionElixir/status/2014378959962567078 – SoftwareMansion announcement of updated Elixir Language Tour https://elixir-language-tour.swmansion.com/introduction – Updated Elixir Language Tour using Popcorn to run Elixir in browser via AtomVM https://github.com/software-mansion/popcorn – Popcorn project that executes Elixir code in WebAssembly using AtomVM https://github.com/ChristianAlexander/durable_object – DurableObject library for Elixir - persistent, single-instance objects accessed by ID https://hexdocs.pm/durable_object/readme.html – DurableObject documentation explaining stateful, persistent actors using GenServer, Ecto, and Spark DSL https://developers.cloudflare.com/durable-objects/concepts/what-are-durable-objects/ – Cloudflare documentation describing Durable Objects and the Actor programming model https://nitter.net/akshay_pachaar/status/2014314783391298019 – Announcement about Postgres getting advanced text searching extension with BM25 ranking https://github.com/timescale/pg_textsearch – pg_textsearch extension bringing BM25 relevance ranking to Postgres (v0.5.0-dev, GA expected Feb 2026) https://hexdocs.pm/torus – Torus library for making search easier in Postgres for Elixir projects https://nitter.net/_avichawla/status/2014586815714664698 – New RAG approach that doesn't need vector DB, embedding, chunking, or similarity search - hits 98.7% accuracy https://huggingface.co/blog/daya-shankar/sota-ai-models – Explanation of SOTA (State of the Art) in AI models https://github.com/VectifyAI/PageIndex – PageIndex - vectorless, reasoning-based RAG system using hierarchical tree index for long professional documents 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

    34 min

  6. 27 JAN.

    289: Erlang Drives into QNX Territory

    News includes a groundbreaking effort to port Erlang to QNX for automotive systems, ExDoc 0.40.0 adding LLM-friendly features, Permit.Phoenix v0.4.0 improving authorization workflows, Oban Pro launching for Python with Elixir interop, new LLM evaluation tools Tribunal and Beamlens that bring AI-powered testing and self-diagnosing supervision trees to the BEAM, Tidewave crossing 100k ARR just 5 months after launch, Guillaume Duboc defending his PhD thesis on typing Elixir with set-theoretic types, and more! Show Notes online - http://podcast.thinkingelixir.com/289 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/theerlef.bsky.social/post/3mcd4nkapps2r – BlueSky announcement of new EEF blog post about porting Erlang to QNX https://erlef.org/blog/eef/otp-qnx-port – EEF blog post: 'Porting Erlang to QNX: a small nerd-snipe that actually worked' https://www.blackberry.com/en – BlackBerry QNX, a real-time operating system widely used in automotive and embedded applications https://github.com/erlang/otp/commit/d7e0b82835312a0458e276f4663bb432574a26d6.patch – The patch that successfully enabled Erlang to run on QNX after three days of focused work https://nitter.net/josevalim/status/2013649733579870534 – José Valim announces ExDoc 0.40.0 with LLM-friendly features https://hexdocs.pm/ex_doc/changelog.html#v0-40-0-2026-01-20 – ExDoc 0.40.0 changelog including markdown section copying and llms.txt support https://nitter.net/curiosum_dev/status/2013141946030522792 – Curiosum announces Permit.Phoenix v0.4.0 release https://permit.curiosum.com/ – Permit website with cheatsheet and articles about using the authorization library https://github.com/curiosum-dev/permit_phoenix/releases/tag/v0.4.0 – Permit.Phoenix v0.4.0 changelog with Phoenix Scopes support and LiveView improvements https://github.com/curiosum-dev/permit_phoenix – Permit.Phoenix GitHub project for Phoenix, Plug and LiveView authorization integrations https://oban.pro/articles/introducing-oban-python – Announcement of Oban Pro for Python with full Elixir/Python compatibility and interop https://nitter.net/georgeguimaraes/status/2011768435504791677 – George Guimarães announces Tribunal, an LLM evaluation framework for Elixir https://github.com/georgeguimaraes/tribunal – Tribunal GitHub project for testing RAG pipelines with assertions like assert_faithful and refute_hallucination https://github.com/georgeguimaraes/tribunal-juror – Tribunal Juror, a Phoenix LiveView UI for the Tribunal evaluation library https://github.com/beamlens/beamlens – Beamlens GitHub project providing adaptive runtime intelligence for the BEAM https://www.reddit.com/r/elixir/comments/1qd3oya/i_built_a_tool_that_lets_your_supervision_tree/ – Reddit discussion about Beamlens enabling supervision trees to self-diagnose incidents using LLMs https://screen.studio/share/w1qXNbUc – Beamlens demo video introducing the library https://github.com/ocean/ecto_libsql – ecto_libsql GitHub project, an Ecto adapter for libSQL/Turso databases https://github.com/ocean/ecto_libsql/releases – ecto_libsql releases page showing v0.8.7 https://turso.tech/ – Turso, a lightweight SQLite-compatible database that scales to millions of instances https://github.com/tursodatabase/turso – Turso Database GitHub project, an in-process SQL database written in Rust https://github.com/Mati365/ckeditor5-phoenix – CKEditor 5 Phoenix integration library providing WYSIWYG editing with real-time backend sync https://nitter.net/josevalim/status/2011165398172078309 – José announces Tidewave's full integration with Supabase https://nitter.net/josevalim/status/2011485752484360442 – José announces Tidewave integration with TanStack Start https://nitter.net/josevalim/status/2012171326899843286 – Tidewave crosses 100k ARR milestone after 5 months since launch https://nitter.net/josevalim/status/2013327035439911031 – José shares update about Guillaume Duboc's PhD thesis defense https://nitter.net/duboc_guillaume/status/2013206550005870689 – Guillaume Duboc announces thesis defense on "Typing Dynamic Languages with Set-Theoretic Types - The Case of Elixir" https://gldubc.github.io/ – Guillaume Duboc's website with information on his PhD research on typing Elixir 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

    27 min

  7. 20 JAN.

    288: 15 Years of Elixir and Full Type Inference

    News includes Elixir's 15th anniversary celebrated with an early v1.20 release candidate featuring type inference for all constructs, Chris McCord's launch of Sprites.dev for hardware-isolated execution environments at Fly.io, MDEx v0.11.0 with a new website and Phoenix Components support, Ex_cldr 3.0 announced as Localize with runtime-only configuration, Gust workflow engine as an Airflow alternative built in Elixir, LiveDebugger v0.5.0 with Dead LiveViews debugging, LiveVue v1.0 stable release bringing Vue.js integration to Phoenix LiveView, Goatmire conference returning in 2026, and more! Show Notes online - http://podcast.thinkingelixir.com/288 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. January 9th, 2026 marked 15 years since Elixir's first commit https://nitter.net/josevalim/status/2009702354527088669 – José Valim's tweet celebrating 15 years of Elixir https://elixir-lang.org/blog/2026/01/09/type-inference-of-all-and-next-15/ – Type inference of all constructs and the next 15 months - announcement blog post for Elixir v1.20 RC with type inference for all constructs https://nitter.net/josevalim/status/2010660222906597572 – José Valim's post about community feedback on the type system inference release candidate - it's faster, finds more bugs and dead code https://nitter.net/chris_mccord/status/2009688571037339922 – Chris McCord's announcement of Sprites.dev https://sprites.dev/ – Sprites.dev - hardware-isolated execution environments for arbitrary code launched at Fly.io https://www.reddit.com/r/elixir/comments/1qb0scq/mdex_fast_and_extensible_markdown/ – Reddit discussion of MDEx v0.11.0 update https://mdelixir.dev/ – New MDEx website with features, examples, and motivation behind the project https://github.com/leandrocp/mdex/blob/main/CHANGELOG.md – MDEx changelog for v0.11.0 https://hexdocs.pm/mdex/phoenix_live_view_heex.html – Livebook example showing MDEx usage with Phoenix HEEx components https://elixirforum.com/t/localize-next-generation-localisation-ex-cldr-v3-0/73933 – Announcement of Localize (Ex_cldr 3.0) - next generation localisation https://github.com/elixir-localize – Elixir Localize GitHub organization https://github.com/marciok/gust – Gust - a task orchestration system built in Elixir, designed to be efficient, fast and developer-friendly https://elixirforum.com/t/gust-a-task-orchestration-system-built-in-elixir/73628 – ElixirForum announcement post for Gust workflow engine https://elixirforum.com/t/gust-a-task-orchestration-system-built-in-elixir/73628/8 – Comment from Gust creator explaining it as an Airflow alternative for DAG orchestration https://nitter.net/swmansionelixir/status/2010754348536709355 – LiveDebugger v0.5.0 announcement with Dead LiveViews section for debugging crashes https://nitter.net/jskalc/status/2008559959781634404 – LiveVue v1.0 release announcement https://skalecki.dev/blog/story-of-live-vue – Story of LiveVue - announcement blog post https://github.com/Valian/live_vue – LiveVue GitHub project - Vue.js + Phoenix LiveView integration https://livevue.skalecki.dev/examples/ – LiveVue examples website showing different usage patterns https://www.linkedin.com/posts/lawik_goatmire-elixir-nervesconf-eu-activity-7416738610944811008-5Xwh – Lars Wikman's announcement that Goatmire will happen again (Sep 30 - Oct 2, 2026) https://www.goatmire.com/ – Goatmire conference website with signup list for notifications https://bsky.app/profile/pragprog.com/post/3mbfgw6zlfs2n – Announcement that the Ash Framework book is Pragmatic Programmers' #1 best seller this year Pro tip - share new projects on socials with the #ElixirLang hashtag to get picked up by the community 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

    26 min

  8. 13 JAN.

    287: From RAGs to Rich Workflows

    News includes Arcana, a new RAG library for Phoenix that adds vector search and AI Q&A using Postgres and pgvector, a JavaScript embedding library called MquickjsEx that brings MicroQuickJS to Elixir processes, LiveDebugger v0.5.0 with support for LiveView Streams, DaisyUI officially supporting Phoenix in their commercial dashboard templates, Durable - a new workflow engine similar to Temporal, José Valim teasing beautiful type system improvements, the Hologram project receiving an EEF stipend, Jido 2.0 demonstrating swarms of 1,575 agents indexing code in 7 seconds, ElixirConf EU 2026 announcing José Valim and Chris McCord as keynote speakers, and more! Show Notes online - http://podcast.thinkingelixir.com/287 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://nitter.net/georgeguimaraes/status/2006068635878490310 – Announcement of Arcana, a new RAG library for Elixir/Phoenix https://en.wikipedia.org/wiki/Retrieval-augmented_generation – Wikipedia explanation of RAG (Retrieval Augmented Generation) https://github.com/georgeguimaraes/arcana – Arcana GitHub repository - adds vector search and AI Q&A to Phoenix apps using Postgres + pgvector https://github.com/georgeguimaraes/arcana/blob/main/guides/dashboard.md – Arcana dashboard guide for developing and testing RAG setups https://nitter.net/pic/orig/media%2FG9b-pFpXUAAYIb0.jpg – Screenshot of the Arcana RAG dashboard https://huggingface.co/BAAI/bge-small-en-v1.5 – bge-small-en-v1.5 model that can run locally via Bumblebee for embeddings https://nitter.net/jskalc/status/2005676915479453869 – Announcement of mquickjs_ex library wrapping MQuickJS runtime https://github.com/Valian/mquickjs_ex – MQuickJsEx GitHub repository - embeds JavaScript in Elixir processes via NIFs https://simonwillison.net/2025/Dec/23/microquickjs/ – Simon Willison's article about MicroQuickJS by Fabrice Bellard - JavaScript engine for embedded systems https://nitter.net/swmansionelixir/status/2000959719440068622 – Announcement of LiveDebugger v0.5.0 with support for LiveView Streams https://docs.swmansion.com/live-debugger/ – LiveDebugger documentation from Software Mansion https://nitter.net/daisyui_/status/2004244298024604049 – Announcement of DaisyUI Nexus Dashboard v3.2 with Phoenix support https://daisyui.com/store/nexus/ – DaisyUI Nexus Dashboard store page - commercial dashboard template supporting multiple frameworks including Phoenix https://github.com/wavezync/durable/ – Durable workflow engine GitHub repository - a resumable workflow execution engine for Elixir similar to Temporal/Inngest https://nitter.net/josevalim/status/2006388766202601822 – José Valim sharing type system improvements with beautiful error messages https://nitter.net/polvalente/status/2006625919964950975 – Paulo Valente sharing work-in-progress on NxEigen https://github.com/polvalente/nx_eigen – NxEigen GitHub repository - Eigen-based backend for Nx with lightweight memory footprint https://nitter.net/bart_blast/status/2008163767855522116 – Bart Blast announcing Erlang Ecosystem Foundation stipend for Hologram project https://hologram.page/blog/hologram-awarded-eef-stipend – Blog post about Hologram receiving EEF stipend support https://nitter.net/mikehostetler/status/2008217608085241865 – Mike Hostetler demonstrating Jido 2.0 powering 1,575 agents to index a codebase in 7 seconds https://github.com/agentjido/jido – Jido GitHub repository - AI Agent framework for Elixir https://bsky.app/profile/theerlef.bsky.social/post/3mboxbgjvn22k – Erlang Ecosystem Foundation invitation to join Working Groups https://erlef.org/wg/ – EEF Working Groups page listing all available groups https://nitter.net/elixirconfeu/status/2007132325918720298 – ElixirConf EU 2026 keynote speakers announcement https://www.elixirconf.eu/ – ElixirConf EU 2026 website - April 22-24 in Málaga, Spain with José Valim and Chris McCord as keynote speakers 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

    22 min
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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!

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