Thinking Elixir Podcast

The final episode of Thinking Elixir after six incredible years of weekly episodes! We send things off in style with a packed news segment covering Phoenix LiveView 1.2's new colocated CSS powered by the @scope at-rule, the retirement of the long-standing Earmark Markdown library and why you should migrate to MDEx, a major Sagents v0.8.0 release bringing durable interrupts, and structured extracti...

Elixir v1.20 has officially landed, marking a huge milestone as the language is now officially a gradually typed language, type checking every single line of code without requiring developer annotations, and even prompting some developers to drop Dialyzer entirely. HexDocs is rolling out per-package subdomains for improved browser security isolation, the Erlang Ecosystem Foundation has launched an...

Mark shares a bittersweet housekeeping update — the Thinking Elixir Podcast is winding down, with the final episode airing June 23rd, 2026, closing the book on over six years of weekly shows. On the news front, Ecto 3.14 lands with long-awaited UUIDv7 support (time-sortable UUIDs for better index performance) along with a host of other improvements, Oban Pro adds a “human approval” workflow step t...

Security takes center stage this week as the EEF's Jonatan Männchen highlights that atom exhaustion accounts for roughly one tenth of all CVEs in the BEAM ecosystem and Sobelow can help catch it before it hits production. Hackney users get an urgent nudge to upgrade to v4.0.3, which patches 9 CVEs including high-severity issues and fixes missing HTTP/3 certificate verification, thanks in part to P...

News includes Elixir 1.20.0-rc.6 arriving as likely the final release candidate before v1.20.0 ships, completing a ~15-week roadmap and delivering full type inference across applications and dependencies. The EEF 2026 election results are in with 3 returning and 1 new board member, LiveStash v0.3.0 lands with a Redis adapter and auto-stashing for Phoenix LiveView state recovery on WebSocket reconn...

News includes a major milestone for Elixir's set-theoretic types as inference of all language constructs is completed and merged with Elixir v1.20.0-rc.5 hot on its heels, OTP 29.0 drops as a major release with secure-by-default SSH, post-quantum SSL key exchange, Erlang doctests, and more, a wave of high-severity CVEs hits the Elixir and Phoenix stack prompting the EEF CNA to take on a larger wor...

News includes the Erlang Ecosystem Foundation publishing its 2026 board election candidates with voting now open, a new GitHub organization called Elixir-Vibe launching with tools to detect and fix AI-generated Elixir “slop” — including ExSlop and the related semantic linter Credence, erlang_python 3.0.0 arriving with true parallelism by embedding CPython into the BEAM as a first-class citizen, El...

News includes Mob, an exciting new framework that brings BEAM-on-device mobile development to Elixir with OTP running natively inside iOS and Android apps, Folio a new library for generating print-quality PDFs and SVGs from Elixir data powered by Typst via Rustler NIF, both Oban v2.22 and Oban Pro v1.7.0 were released with a host of improvements including job querying, unique workflows, and a rate...

News includes Phoenix LiveDebugger hitting v1.0 with an interactive tour to go along with it, LiveStash v0.2.0 shipping with API improvements and a tease of Redis & Mnesia adapters on the horizon, German Velasco making his TestingLiveView.com course completely free for the Elixir community, Volt reaching v0.8.0 as an Elixir-native frontend build tool that eliminates the need for Node.js, and F...

It's Episode 300 — a milestone just under 6 years in the making! To celebrate, we kick things off with a fun song, then dive into the news: the Localize library v0.15.0 brings locale-aware formatting and Unicode CLDR data to Elixir without any compile-time code generation, a new library called Reach builds program dependence graphs for Elixir and Erlang to help coding agents and static analysis to...

The Erlang Ecosystem Foundation is seeking community support for a major grant to fund the Ægis security project and the deadline is April 17th to show support, Hex.pm published the results of its first-ever comprehensive third-party security audit revealing three high-severity findings that have since been fixed, José Valim unveils a massive Tidewave update including UI Variants and a new "vision...

News includes the hex.pm website getting a fresh new redesign, the Hex 2.4 package manager upgrading to OAuth device flow authentication with two-factor authentication support for improved security, the official Elixir Expert LSP hitting its v0.1 release milestone, a new LiveStash library from SoftwareMansion that prevents state loss on LiveView reconnects, and José Valim himself stopping by to re...

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 per...

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 i...

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 ma...

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 t...

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 hit...

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 positio...

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 experiment...

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...

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 mo...

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 alterna...

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...

News includes a compelling story of transitioning from NextJS to Phoenix and Ash in just two weeks, Credo 1.7.15 with massive performance improvements dropping runtime from 33 to 9 seconds on large codebases, Soothsayer library updates for time series forecasting, Torchx now running on Apple Metal, an EEF case study on how DNSimple uses Erlang to handle hundreds of billions of DNS queries monthly,...

News includes Software Mansion pushing the boundaries of Popcorn by running LiveView locally in the browser using WebAssembly, the Programming Nerves book by Alex Koutmos and Hugo Baraúna launching in beta, a new minimalist Stripe integration library called PinStripe, Beam Bots announced for resilient robotics on the BEAM, Saša Jurić’s thought-provoking Goatmire talk now available online, Tidewave...