October 14, 2025

274: Protocols, Permissions, and Performance

31 minutes

News includes the release of Elixir 1.19.0-rc.1 with OTP 28.1+ compatibility and impressive 2.3x faster dependency compilation, JetBrains adopting the open Agent Client Protocol for AI coding agents, an update on LiveView Native's uncertain future, major improvements to the MDex Markdown library including streaming support and Quill delta conversion, Curiosum's comprehensive blog post on their Permit authorization library, Elixir gaining an AT Protocol library called Aether for Bluesky integration, Supabase raising $100 million at a $5 billion valuation while building on Elixir, Ruby community fracturing over gem server ownership controversies, security concerns about AI agents escalating privileges across systems, and more!

Show Notes online - http://podcast.thinkingelixir.com/274

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://elixirforum.com/t/elixir-v1-19-0-rc-1-released/72781/3 – Elixir 1.19.0-rc.1 released with OTP 28.1+ compatibility, struct update syntax adapted into type assertion operator, improved dependency compilation, OptionParser regex support, and Unicode 17.0.0 support

https://bsky.app/profile/stefanluptak.com/post/3m2hoz4ankk2c – Elixir 1.19.0-rc.1 dependency compilation is 2.3x faster on MacBook Pro M1 Max compared to 1.18.4

https://nitter.net/zeddotdev/status/1975241285796552816 – JetBrains adopts Agent Client Protocol (ACP)

https://zed.dev/blog/jetbrains-on-acp – Details on ACP, an open standard for seamless integration of AI coding agents with any code editor or IDE using JSON-RPC

https://nitter.net/bcardarella/status/1973369656829166004 – Brian Cardarella comments that LiveView Native as a concept is likely dead in the water

https://nitter.net/josevalim/status/1975153256524312921 – José Valim's response on LiveView Native direction

https://bsky.app/profile/leandrocp.bsky.social/post/3m2enmdr7e225 – MDex library update with Quill deltas support, streaming Markdown, and improved IEx visualization

https://hexdocs.pm/mdex/changelog.html – MDex changelog with full details on updates

https://quilljs.com/docs/delta – Quill delta format documentation

https://quilljs.com/playground/snow – Quill playground and license information

https://www.curiosum.com/blog/authorization-access-control-elixirconf – Curiosum blog post about the Permit library for authorization and access control in Elixir, based on ElixirConf EU 2025 talk

https://permit.curiosum.com/ – Permit library homepage

https://github.com/curiosum-dev/permit/ – Permit core library repository

https://github.com/curiosum-dev/permit_ecto – Permit Ecto integration

https://github.com/curiosum-dev/permit_phoenix/ – Permit Phoenix integration

https://github.com/curiosum-dev/permit_absinthe – Permit Absinthe integration

https://gitea.fullstack.ing/Aether/aether – Aether - an AT Protocol library for Elixir, the technological basis of Bluesky

https://atproto.com/ – AT Protocol official website

https://docs.bsky.app/showcase – Bluesky showcase of custom applications built on AT Protocol

https://nitter.net/kiwicopple/status/1974204868329157057 – Supabase announces Series E funding raise

https://www.msn.com/en-us/money/markets/exclusive-supabase-raises-100-million-at-5-billion-valuation-as-vibe-coding-soars/ar-AA1NNo3o – Supabase raises $100 million at $5 billion valuation, with community investment round planned

https://gem.coop/ – New cooperative Ruby gem server launched as alternative to rubygems.org

Ruby community fractures over bundler gem ownership controversy involving DHH and corporate investors like Shopify

https://nitter.net/wunderwuzzi23/status/1975180021317956040 – AI agents can collaborate and modify each other's settings to escalate privileges

https://embracethered.com/blog/posts/2025/cross-agent-privilege-escalation-agents-that-free-each-other/ – Detailed article on cross-agent privilege escalation vulnerabilities in AI agents, exploitable via prompt injection

Do you have some Elixir news to share? Tell us at @ThinkingElixir or email at [email protected]

Find us online

Message the show - Bluesky

Message the show - X

Message the show on Fediverse - @[email protected]

Email the show - [email protected]

Mark Ericksen on X - @brainlid

Mark Ericksen on Bluesky - @brainlid.bsky.social

Mark Ericksen on Fediverse - @[email protected]

David Bernheisel on Bluesky - @david.bernheisel.com

David Bernheisel on Fediverse - @[email protected]