Show Notes online - http://podcast.thinkingelixir.com/303

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/blog/eef/election-2026-candidates – Candidates for the Erlang Ecosystem Foundation 2026 board election have been published. Candidates include David Bernheisel, Jon Carstens, Francesco Cesarini (incumbent), Nathan Hessler, Amos King (incumbent), Greg Mefford, Duane Strikwerda, and Alistair Woodman (incumbent). Voting opens May 8th at 16:00 UTC and closes May 15th at 23:59 UTC.
• https://x.com/dan_note/status/2050239025458409646 – DanNote on GitHub created a new GitHub organization called "Elixir-Vibe" — a home for Elixir-native tooling for AI-assisted coding, AST analysis, structural code search, code quality, architecture analysis, and BEAM-native coding agents.
• https://github.com/elixir-vibe – The Elixir-Vibe GitHub organization housing libraries for fixing, reviewing, and spotting "slop" in AI-generated Elixir code.
• https://github.com/elixir-vibe/ex_slop – ExSlop is a library under Elixir-Vibe — Credo checks that catch AI-generated Elixir code slop.
• https://x.com/kamilskowron/status/2051778642053628125 – Announcement of Credence, a semantic linter for LLM-generated Elixir code that catches patterns that compile and pass tests but are non-idiomatic, inefficient, or ported from Python/JavaScript conventions that don't belong in Elixir.
• https://hex.pm/packages/credence – Credence on Hex.pm — a semantic linter for LLM-generated Elixir code.
• https://github.com/Cinderella-Man/credence – Credence on GitHub — complements the compiler and Credo by checking semantics of LLM-generated Elixir code.
• https://x.com/benoitc/status/2050939005395505185 – Benoit announced erlang_python 3.0.0, which embeds CPython into the BEAM with true parallelism via Python 3.14 OWN_GIL subinterpreters or free-threaded 3.13t, async/await, bidirectional Erlang↔Python callbacks, and stable thread affinity for numpy/torch.
• https://github.com/benoitc/erlang-python/releases/tag/3.0.0 – Release notes for erlang_python 3.0.0.
• https://github.com/benoitc/erlang-python – The erlang-python GitHub repo — combines Python's ML/AI ecosystem with Erlang's concurrency, making Python a first-class BEAM citizen rather than a simple guest like pythonx.
• https://www.youtube.com/playlist?list=PLvL2NEhYV4ZsIgecSexrk26--PBWiEyUy – Playlist of ElixirConf EU 2026 videos, which have started publishing. Includes keynotes from José Valim on type system design, Chris McCord on DurableServer, and more.
• https://x.com/josevalim/status/2052090411607286087 – José Valim announced Tidewave updates including a minimap on large file diffs, pin-point agent feedback, smoother onboarding for Tidewave Teams, and updates to OpenCode, Claude Code & Codex.
• https://open-design.ai/ – Open-source alternative to Claude Design. Turns your existing coding agent (Claude, Codex, Cursor, Gemini, OpenCode, Qwen) into a design engine driven by 31 composable skills and 72 brand-grade design systems. Available on Mac and Windows.
• https://github.com/nexu-io/open-design – GitHub repo for open-design, the open-source design engine for coding agents.
• https://x.com/bcardarella/status/2050578567897985072 – Brian Carderella posted about open-design saying "OpenDesign is fantastic. Within 10 minutes it's already replaced Claude Design for me."
• https://docs.aws.amazon.com/bedrock/latest/userguide/bedrock-mantle.html – AWS Mantle - an OpenAI compatible API to many different LLM models
• https://docs.aws.amazon.com/bedrock/ – AWS Bedrock - The hosting of many different LLM models
• https://hexdocs.pm/langchain/LangChain.ChatModels.ChatAwsMantle.html – Elixir LangChain support for AWS Mantle using ChatAwsMantle

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

Sponsored By:

• 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.

Show Notes online - http://podcast.thinkingelixir.com/275

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://netter.net/josevalim/status/1975605515313979674 – José Valim announces Elixir v1.19.0-rc.2 release
• https://elixirforum.com/t/elixir-v1-19-0-rc-2-released/72805 – Elixir Forum discussion of v1.19.0-rc.2, the last stop before official v1.19 release
• Remote.com confirmed their codebase compiles 55% faster on v1.19 with type checking still ~1ms/module on average
• José and Guillaume Duboc went beyond current state-of-the-art to optimize key operations for set-theoretic type checking, articles to be published later
• https://x.com/josevalim/status/1975588421201715334 – New "mix help app:phoenix" command in Elixir v1.19 lists all modules with first paragraph of docs
• Great shortcut tool for building AI Agent context with brief module descriptions
• https://x.com/z_4seven/status/1975795139739357404 – José Valim provides update on Elixir's typesystem status and timeline
• Plan shifted from typed structs by end of year to providing type inference of all constructs; typed structs might arrive by end of next year
• https://x.com/sleipni_r/status/1977901944329875893 – Elixir gRPC library v0.11.0 release announcement
• https://github.com/elixir-grpc/grpc – Full-featured Elixir implementation of gRPC protocol with new Client Load Balancing following official specs
• https://hexdocs.pm/req_cassette – ReqCassette documentation - new Req library for recording and serializing real requests in tests
• https://github.com/lostbean/req_cassette/ – ReqCassette GitHub repository, similar to ExVCR but works with Req and supports async tests
• https://github.com/parroty/exvcr – ExVCR library for comparison
• https://x.com/karlclement/status/1976677105980072238 – Karl Clement's Twitter thread asking who's using Elixir in production with numerous company replies
• https://x.com/germsvel/status/1976264583682625776 – German Velasco's new ElixirStream video walking through Phoenix 1.8 AGENTS.md file
• Full video is ~25 minutes or split into 12 shorter videos showing what AI typically gets wrong in new Phoenix apps
• https://www.youtube.com/watch?v=eBpDaUVxiII – Episode
• https://www.youtube.com/shorts/fpbWpunfLVg – German Velasco's short video illustrating Ecto's datetime helpers
• https://x.com/bcardarella/status/1976217163754070372 – Brian Cardarella shares insight about clients needing help finishing AI-generated apps
• DockYard seeing many AI slop generated apps that are nightmares to build on top of
• https://elixir-observer.com/packages/req – Elixir Observer website updates by Mimiquate with better design and new features
• https://elixir-observer.com/categories – New categories feature for package discovery (Actors, AI, Audio, Authentication, etc.)
• Categories include semantic search and show unreleased changes per package
• https://x.com/chris_mccord/status/1976813860742217754 – Chris McCord demonstrates creating isolated Claude Code sandbox instances on Fly Machines in 15 seconds
• Interesting approach for running AI agents fully isolated from local machine
• https://github.blog/changelog/2025-09-29-strengthening-npm-security-important-changes-to-authentication-and-token-management/ – NPM announces new security changes including more frequent token rotation and Trusted Publishers (OIDC) support
• Response to recent supply chain attacks showing compromised long-lived tokens are critical vulnerability

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

Sponsored By:

• 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.