How and When to use Nimble Parsec
Sometimes, String.split/3 is not enough. Sometimes, your reviewer suggests you take your half baked parsing attempt and, well, actually build a proper parser. And NimbleParsec makes it much sweeter that it would be otherwise! This is how and when to use it. https://revelry.co/insights/development/elixir/nimbleparsec/
Thinking Elixir 280: Dark Matter Developers
Episode 280 of Thinking Elixir. News includes Elixir 1.19.3 point release with enhanced regular expression support in config files, Tidewave Web adding support for Claude Code and OpenAI Codex agents, Hologram’s JavaScript porting initiative seeking community help to complete their browser runtime, a new pg_large_objects library for streaming large binary data with Postgres, the experimental playwright_ex library for browser automation, and the latest TIOBE Index showing C# nearly displacing Java while Elixir ranks at #38, and more!
Build an Elixir App with Cowboy
Let’s set up and use Cowboy, and design a simple pub/sub architecture: https://blog.appsignal.com/2025/11/25/build-an-elixir-app-with-cowboy.html
🚨 Code BEAM Lite London CFP is OPEN! Share your BEAM expertise on 6 March 2026.
Topics: Gleam, cloud deployment, testing, IoT, production systems. First-time speakers welcome! https://forms.gle/dHRTnP3RELFx1fFeA Join the waiting list https://codebeamlondon.com/#newsletter
Differences Between Elixir's Protocols and Behaviours
I kept mixing up Elixir Protocols and Behaviours—until I finally figured out the real difference. One is for data types, the other for modules. Here’s the explanation I wish I’d had years ago.
https://samuelmullen.com/articles/differences-between-elixirs-protocols-and-behaviours
Elixir → JavaScript Porting Initiative
We need help completing Elixir’s browser runtime by porting some Erlang functions to JavaScript. No Erlang knowledge required. Each function unlocks multiple Elixir stdlib functions! More here: https://hologram.page/blog/elixir-to-javascript-porting-initiative
🚨 Code BEAM Lite Vancouver CFP is OPEN!
Share your BEAM expertise at our INAUGURAL event! Topics: AI on BEAM, Gleam, distributed systems, cloud-native, interoperability, scaling teams. First-time speakers and people from underrepresented groups are welcome! https://codebeamvancouver.com/#cft
Thinking Elixir 279: Hot Code Upgrades and Hotter AI Takes
Episode 279 of Thinking Elixir. News includes Chris McCord’s FlyDeploy for zero-downtime hot code upgrades on Fly.io, the Elixir GRPC library update with interactive Livebook documentation, ErrorTracker v0.7.0 with LiveView 1.0 support, a new AI-powered terminal emulator called exterm_ai, Horde joining a new GitHub organization focused on distributed systems, SmartLogic’s case study using Elixir for real-time air quality monitoring, GitHub’s 2025 Octoverse report showing TypeScript becoming the most used language, and Mark shares his detailed AI development workflow that compresses 2 weeks of work into 2 days by using coding agents as a Software Architect, and more!
Keynote: CyanView & Elixir in Broadcasts – Daniil Popov, David Bourgeois | Code BEAM Europe 2025
How a 9-person team controls 200+ cameras at the Olympics with Elixir.
Main takeaway: No existing tooling? That’s an opportunity. Build what you need. Learn deeply. Become better engineers.
Zero failures at Olympic scale. https://youtu.be/CseWOnKuk7o
Win signed copy of "From Ruby to Elixir"
Are you tired of Ruby limitations? Time to explore something new! We have three signed copies of From Ruby to Elixir by Stephen Bussey to give away. Simply fill out the form to enter: https://www.erlang-solutions.com/landings/signed-from-ruby-to-elixir/
Working with PostgreSQL Large Objects in Elixir
The blog post https://frerich.github.io/postgres/elixir/2025/11/14/postgres-large-objects-and-elixir.html discusses a lesser-known facility of PostgreSQL for storing files up to 4TB straight in the database: Large Objects. What is it, how does it work, when is it a good fit? And how does the new library https://hexdocs.pm/pg_large_objects/readme.html work for using Large Objects in Elixir applications?
Elixir Survey 2025
We didn’t expect such a big response this year, and we love to see it. If you haven’t filled it in yet, you now have time until November 18. https://elixir-survey.typeform.com/2025-edition
ElixirConf EU 2026 is coming to Málaga, Spain in May! ☀️
📝 CFP is open - submit your talk https://sessionize.com/elixirconf-eu-2026/ 🎟️ Join the waiting list for early bird deals https://www.elixirconf.eu/#newsletter 🎥 Watch 2025 talks on YouTube https://www.youtube.com/watch?v=4IWShnVuRCg&list=PLvL2NEhYV4Zu421KzHuLICUqieJXI2o_Z&pp=gAQB
Thinking Elixir 278: WAL-ing Through Database Changes
Episode 278 of Thinking Elixir. News includes the Curiosum Elixir survey closing soon, ReqLLM reaching 1.0 with standardized LLM API support across multiple providers, Isaac Yonemoto’s Codicil library bringing semantic code understanding to AI assistants through MCP, José Valim teasing Tidewave Web expansion to support Django, Rails, Next.js and other popular frameworks, phoenix_test_playwright adding browser pooling for improved performance, Peter Ullrich’s deep dive into using Postgres WAL for database change notifications at scale, and more!
First keynote from Code BEAM Europ 2025 is live
A Survival Guide for the AI Age - Josh Price https://youtu.be/C7BWgWdhZwE
Crawling the Web with Elixir's Broadway and Wallaby
Discover how to combine Broadway’s powerful pipelines with Wallaby’s browser automation to create a scalable, concurrent Elixir web crawler.
https://samuelmullen.com/articles/crawling-the-web-with-elixirs-broadway-and-wallaby
Debugging in Elixir with Observer
Let’s learn how to access Erlang’s Observer GUI and debug an Elixir project that leaks memory: https://blog.appsignal.com/2025/11/04/debugging-in-elixir-with-observer.html
Thinking Elixir 277: Searching Across the Hexiverse
Episode 277 of Thinking Elixir. News includes a powerful new HexDocs search engine built in Gleam that lets you search across all your project dependencies with mix hex.search, Software Mansion’s interactive Elixir Language Tour that runs in the browser via WebASM, Paulo Valente’s breakthrough getting Stable Diffusion running on Mac GPUs through EMLX, lessons learned from the AWS outage that left smart beds stuck and overheating, Chrome DevTools’ new MCP server for AI coding assistants, and more!