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Thinking Elixir Podcast

ThinkingElixir.compodcast.thinkingelixir.com
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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Episodes

267: Dive into Tidewave Web with José Valim

News includes the exciting announcement of Tidewave Web, a new AI-powered service that runs locally in your development environment with an AI chat sidebar that can directly interact with and modify your Phoenix and Rails applications. José Valim joins us for a deeper dive into Tidewave as well! We also cover a comprehensive new ElixirLang blog post about interoperability in 2025 that explores all the ways Elixir and BEAM can work with other languages and runtimes, from traditional NIFs and Port...

Aug 26, 20251 hr 8 min

266: Phoenix 1.8.0 Brings Fresh Features

News includes the official release of Phoenix 1.8.0 with exciting new features like dark mode themes, streamlined generators, magic links in phx.gen.auth, and AGENTS.md for LLM-assisted development. ElixirLS v0.29.2 with call hierarchy provider and MCP server integration, the new Torus library for seamless PostgreSQL search with Ecto, ThinkingElixir courses becoming completely free and open, a new Elixir Hub website centralizing community resources, LiveTable v0.3.1 updates for dynamic LiveView ...

Aug 19, 202532 min

265: LiveView 1.1 Goes Live and Stack Overflow Results

News includes Phoenix LiveView v1.1 being released with exciting new features like colocated JavaScript, portals for teleporting content, keyed comprehensions, and improved change tracking, Stack Overflow Survey 2025 results showing Elixir as the third most admired language and Phoenix as the most admired web framework for the third year running, Peter Solnica announcing a new high-level relation abstraction library called drops_relation built on top of Ecto, The Primeagen (a popular YouTube dev...

Aug 12, 202543 min

264: Hot Reload In Dev and QA Bottlenecks

News includes Phoenix v1.8 shipping with an AGENTS markdown file for new apps to enhance coding agent experiences, Popcorn bringing Elixir to the browser through WebAssembly with no installation required, LiveVue v0.6.0 with 90% payload size reduction through JSON Patch operations, an awesome LiveView development tip for hot-reloading code changes while preserving LiveView state, MDEx v0.8 adding decorators support for enhanced code block styling, Hologram v0.5.0 delivering major performance imp...

Aug 05, 202540 min

263: Thinking Elixir 263: BEAM Scales from Nano to BBC Big

News includes the BEAM runtime fitting into just 16MB for the GRiSP Nano prototype, the BBC using Elixir to serve most of their web and mobile traffic, GenStage's pull-based design delivering 50% performance improvements, a new PDF data extraction library that leverages Python through PythonX, AppSignal's guide to deploying Phoenix with Kamal, an Elixir School lesson on embedding Lua in applications, Peter Solnica's new inflection library for word transformations, Fly.io announcing Docker Compos...

Jul 29, 202530 min

262: Five Years of Perfect Uptime

News includes Phoenix 1.8.0-rc.4 and LiveView 1.1.0-rc.3 with igniter upgrader support, new libraries including deps_changelog and the Hog process debugging tool by Alex Koutmos, Fly.io's announcement of managed Postgres, an incredible conference talk about Waterpark - a healthcare system built on the BEAM that achieved 100% uptime for 5 years and running, tips on using Elixir compiler directives for function inlining, the full ElixirConf US 2025 schedule with keynotes from José Valim and Chris ...

Jul 22, 202527 min

261: Why Elixir and a $300K Daily Bill?

News includes Phoenix LiveView 1.1.0 release candidates featuring change tracking in comprehensions by default and TypeScript annotations, José Valim's inspiring DevLabs interview about building authentic tools and fostering healthy ecosystems, Matthew Sinclair's comprehensive post outlining 9 compelling reasons to choose Elixir, Peter Solnica's exciting teaser about rebuilding rom-rb in Elixir, Igniter's growing adoption with 45 packages now using it for simplified installation, ElixirConf 2025...

Jul 15, 202530 min

260: Cheaper testing with AI?

News includes LiveDebugger v0.3.0 with enhanced debugging capabilities for Phoenix LiveView including redirect following and dead process state browsing, Oban 1.6 featuring sub-workflows and cascading workflows, YOLO v0.2.0 bringing YOLOX support for faster image detection in Elixir, a discussion on the importance of testing and how AI tools are making test creation easier, helpful LiveView tips for opening unique URLs in new tabs, and progress updates on the new Expert LSP project for improved ...

Jul 08, 202522 min

259: Chris McCord on phoenix.new

News includes the public launch of Phoenix.new - Chris McCord's revolutionary AI-powered Phoenix development service with full browser IDE and remote runtime capabilities, Ecto v3.13 release featuring the new transact/1 function and built-in JSON support, Nx v0.10 with improved documentation and NumPy comparisons, Phoenix 1.8 getting official security documentation covering OWASP Top 10 vulnerabilities, Zach Daniel's new "evals" package for testing AI language model performance, and ElixirConf U...

Jul 01, 20251 hr 13 min

258: CVEs, MCPs, and Petabyte Dreams

News includes the first CVE released under EEF's new CNA program for an Erlang zip traversal vulnerability, Phoenix MacroComponents being delayed for greater potential, Supabase announcing Multigres - a Vitess-like proxy for scaling Postgres to petabyte scale, a surge of new MCP server implementations for Phoenix and Plug including Phantom, HermesMCP, ExMCP, Vancouver, and Excom, a fun blog post revealing that Erlang was the only language that didn't crash under extreme load testing against 6 ot...

Jun 24, 202532 min

257: Runtime Intelligence and MCP Servers

News includes Elixir v1.19.0-rc.0 with significant type checking improvements and faster compile times, Gleam v1.11.0 delivering 30% faster JavaScript performance, the new Elixir Outreach stipend program providing funding for speakers to present at non-Elixir conferences, a batch of ElixirConf US 2024 videos featuring talks were published, the open-sourcing of Noora design system for Phoenix LiveView, upcoming support for “for” comprehensions in HEEX templates, and José Valim's announcement of T...

Jun 17, 202527 min

256: Types, Tools, and Turbo Charging

News includes the Elixir 1.19 RC release featuring up to 4x faster compilation and significant types system improvements, more ElixirConfEU videos including José Valim's keynote on type system updates, the look at the Backpex admin panel for Phoenix LiveView applications, Ash AI's impressive AI integration using the Elixir LangChain library, an informal Elixir Contributors Summit recap from Software Mansion, the Quokka formatter that automatically fixes Credo style code issues, Popcorn's browser...

Jun 10, 202524 min

255: OTP 28 and Vibe Coding Phoenix Apps

News includes the major OTP 28 release with priority messages functionality, ElixirConf EU 2025 videos starting to appear including Chris McCord's keynote on his new phoenix.new service and James Arthur's introduction of Phoenix Sync for real-time database synchronization, the EEF board election results and their new role as a CVE Numbering Authority for the Hex ecosystem, upcoming co-located hooks and macro components in LiveView, updates to the Elixir Lua package and MDEx with its new Markdown...

Jun 03, 202532 min

254: Lua Scripting and Tidewave on Zed

News includes Hex 2.2.0 with the new :warn_if_outdated option for keeping dependencies updated, Honeybadger's APM with built-in Elixir traces for major components, José Valim demonstrating Tidewave with Zed's AI coding agents, LiveDebugger v0.2.0 with DevTools integration and component highlighting, Dave Lucia's new Elixir "Lua" library for embedding Lua scripting, Paulo Valente's "handoff" library for distributed function graph execution, a PhD thesis on Elixir code smells becoming a finalist f...

May 20, 202531 min

253: Tidewave Triumphs and App Store Rebellions

News includes growing excitement around Tidewave for Elixir with users sharing success stories and integration tips, preparation for Elixir 1.19's deprecation of regex in module attributes, LiveViewNative launching a new "OTP Interop" organization focused on enabling offline functionality, and a major U.S. court ruling against Apple's App Store policies that opens new payment options for iOS developers, creating opportunities for services like Stripe to offer more competitive alternatives to App...

May 13, 202524 min

252: Riding the Tidewave of AI-Enhanced Phoenix

News includes Tidewave, a new Phoenix MCP server that helps AI-enabled editors access application runtime, Chris McCord teasing his AI-enabled Phoenix app with LiveView hosted IDE features, a new GitHub Action for submitting Elixir dependencies to enhance security, ExMeralda.chat, a community chatbot for querying Hex packages, updates on Software Mansion's LiveDebugger v0.2.0 coming in May, mix test.interactive for enhanced ExUnit testing workflows, and information about slopsquatting, a new mal...

May 06, 202534 min

251: SSH Vulnerability and Cookies are Changing

News includes a critical Unauthenticated Remote Code Execution vulnerability in Erlang/OTP SSH, José Valim teasing a new project, Oban Pro v1.6's impressive new "Cascade Mode" feature, Semaphore CI/CD platform being open-sourced as a primarily Elixir application, new sandboxing options for Elixir code with Dune and Mini Elixir, BeaconCMS development slowing due to DockYard cuts, and a look at the upcoming W3C Device Bound Session Credentials standard that will impact all web applications, and mo...

Apr 29, 202542 min

250: EEF Elections and Security

News includes EEF board elections with voting beginning May 9th, Gleam v1.10.0 enhancing security with SBoMs and SLSA build provenance, an AshAuthentication vulnerability with mitigation steps, the Elixir Secure Coding Training project finding a permanent home at the EEF, announcements for both ElixirConf US 2025 in Orlando and ElixirConfEU in Krakow with speaker lineup, and more! Show Notes online - http://podcast.thinkingelixir.com/250 Elixir Community News https://paraxial.io/ – Paraxial.io i...

Apr 22, 202514 min

249: LiveDebugger: Peering Inside a LiveView

News includes Phoenix 1.8.0-rc release with DaisyUI styled Tailwind components and magic link authentication, a new design pattern called "scopes", a new privacy-focused feature in Ecto for schema redaction, the Elixir Secure Coding Training project finding a new home at TvLabs, a helpful iex shell tip for multiline commands, and more! We interview Krzysztof Nalepa, the primary creator of LiveDebugger, discussing how this powerful tool helps debug LiveView states and structures, how the project ...

Apr 15, 202550 min

248: Security Insights with Paraxial

News includes a new Elixir case study about Cyanview's camera shading technology used at major events like the Olympics and Super Bowl, Oban Pro 1.6 with 20x faster queue partitioning, the openid_connect package reaching version 1.0, Supabase's new Postgres Language Server for developer tooling, and ElixirEvents.net as a community resource. Plus, we interview Michael Lubas, founder of Paraxial.io, about web application security in Elixir, what's involved in a security audit, and how his Elixir-f...

Apr 08, 202558 min

247: Phoenix's DaisyUI Facelift

News includes Phoenix now including DaisyUI which has sparked mixed reactions, Erlang/OTP 28.0-rc2 release introducing priority process messages, the EEF Security Working Group's roadmap called Aegis, a new LiveViewPortal library for embedding LiveView pages in any website, upcoming improvements in Elixir that will spawn more OS processes for compiling dependencies potentially doubling performance, Sean Moriarity's keynote about designing LLM Native systems, and more! Show Notes online - http://...

Apr 01, 202520 min

246: Dark Mode Debugger and Its RAG Time

News includes the release of Plug v1.17.0 with dark mode support for Plug.Debugger, an exciting Phoenix PR for co-located hooks that would place hook logic directly next to component code, a new RAG (Retrieval Augmented Generation) library from Bitcrowd for enhancing LLM interactions with document management, a syntax highlighter called Autumn powered by Tree-sitter, an Elixir-built YouTube downloader project called Pinchflat, and more! Show Notes online - http://podcast.thinkingelixir.com/246 E...

Mar 25, 202533 min

245: Supply Chain Security and SBoMs

News includes a new library called phoenix_sync for real-time sync in Postgres-backed Phoenix applications, Peter Solnica released a Text Parser for extracting structured data from text, a useful tip on finding Hex package versions locally with mix hex.info, Wasmex updated to v0.10 with WebAssembly component support, and Chrome introduces a new browser feature similar to LiveView.JS. We also talked with Alistair Woodman and Jonatan Männchen from the EEF about Jonatan's role as CISO, the Security...

Mar 18, 20251 hr 15 min

244: Running Python in Elixir?

News includes the release of Elixir 1.18.2 with various enhancements and bug fixes, a new experimental SQL sigil for Ecto that brings automatic parameterized queries, a recent GOTO 2025 talk featuring Saša Jurić on code reviews. We talked with Jonatan Kłosko about his work on PythonX, a new library for executing Python code inside Elixir, the Fine library for working with C++ NIFs, and much more! Show Notes online - http://podcast.thinkingelixir.com/244 Elixir Community News https://gigalixir.co...

Mar 11, 202559 min

243: Elixir Jobs: Seniors Only Need Apply?

News includes the announcement of PythonX for Python interoperability in Elixir, groundbreaking academic work on compiling Elixir to eBPF for Linux kernel-level operations, and exciting AI-powered Phoenix application demos from Chris McCord. We also dive into the current state of the Elixir job market, discussing the shift away from remote work and the challenges facing junior and mid-level developers, sharing practical tips for job seekers in today's market. Other topics include the announcemen...

Mar 04, 202559 min

242: Magic Links and Sudo Mode

News includes exciting updates to Phoenix gen_auth with magic links and sudo mode security features, a comprehensive guide on Elixir and Phoenix security best practices from Paraxial.io, significant updates to the DaisyUI Components library for Phoenix LiveView reaching version 0.7.0, more on LiveDebugger tool for Phoenix applications, performance improvements in PostgreSQL's self-join handling, and more! Show Notes online - http://podcast.thinkingelixir.com/242 Elixir Community News https://gig...

Feb 25, 202520 min

241: A LiveView Debugger and Gigalixir

News includes the release of LiveDebugger, an exciting new browser-based debugging tool for Phoenix LiveView applications and the announcement of Artifix for creating private Hex registries on S3 and CloudFront. We are also joined by Tim Knight, the CTO at Gigalixir, to get a peek inside the machine that is Gigalixir and learn more about how the platform specializes in providing an excellent Elixir deployment experience, and more! Show Notes online - http://podcast.thinkingelixir.com/241 Elixir ...

Feb 18, 202545 min

240: Standards and Security

News includes Erlang/OTP achieving OpenChain ISO certification for open source license compliance, the release of the new "Elixir Patterns" book by Hugo Barauna and Alex Koutmos, a security audit of Oban Web and Pro by Paraxial.io showing excellent results, upcoming Alchemy Conf in Portugal, and a major rewrite of the asdf version manager to Go, and more! Show Notes online - http://podcast.thinkingelixir.com/240 Elixir Community News https://bsky.app/profile/theerlef.bsky.social/post/3lhc5552djc...

Feb 11, 202519 min

239: Scaling to Unicorn Status

News includes an impressive case study from Remote showing how they scaled Elixir to support nearly 300 engineers and reach unicorn status, Tailwind CSS 4.0's major release with Phoenix integration in progress, Chris McCord teasing an exciting AI code generator project on Fly.io, the release of Elixir LangChain v0.3.0 with expanded support for multiple AI providers, ElixirConfEU 2025 tickets going on sale in Kraków, and more! Show Notes online - http://podcast.thinkingelixir.com/239 Elixir Commu...

Feb 04, 202529 min

238: Oban Web Goes Free and Open

News includes the exciting release of Oban Web as open source with newly added MySQL support, nine new ElixirConf 2024 videos have been published, a new full-stack web framework called Hologram that transpiles Elixir to JavaScript was announced, PhoenixTest gained Playwright driver support for enhanced testing capabilities, Protoss reached feature-complete status as it moves to version 1.0, and several Elixir conferences were announced including Code BEAM Lite Stockholm and GigCityElixir, and mo...

Jan 28, 202526 min
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