Elixir v1.19 Types and Speed

News includes the major release of Elixir v1.19 with enhanced type checking, broader type inference, and up to 4x faster compilation for large projects, plus the first OpenChain certification bringing more transparency to the BEAM ecosystem. We also cover the Mishka Chelekom Phoenix LiveView component library update for Tailwind 4 support, visual improvements coming to ExDocs admonition blocks, Anthropic's new ClaudeCode Web that lets you code directly in the browser with GitHub integration, a critical Redis security vulnerability with a perfect 10.0 severity score affecting hundreds of thousands of servers, and more!

Show Notes online - http://podcast.thinkingelixir.com/276

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://nitter.net/josevalim/status/1978729853349196170 – José Valim announces Elixir v1.19 release on social media
• https://elixir-lang.org/blog/2025/10/16/elixir-v1-19-0-released/ – Official blog announcement for Elixir v1.19 release
• https://hexdocs.pm/elixir/1.19/changelog.html – Detailed changelog documentation for Elixir v1.19
• https://nitter.net/theerlef/status/1978896262473662539 – Erlang Ecosystem Foundation announces OpenChain certification for Elixir v1.19
• https://elixir-lang.org/blog/2025/02/26/elixir-openchain-certification/ – Details about Elixir's OpenChain certification bringing transparency and trust to the BEAM ecosystem
• https://github.com/elixir-lang/ex_doc/issues/2149#issuecomment-3394340806 – ExDocs visual adjustments to admonition blocks for better consistency across light and dark modes
• https://bsky.app/profile/yellowduck.be/post/3m3htzs4qyg2a – Announcement of Mishka Chelekom Phoenix LiveView component library v0.0.8 update
• https://mishka.tools/blog/introducing-mishka-chelekom-v0.0.8-with-tailwind-4-support-and-custom-configuration – Details about Mishka Chelekom v0.0.8 with Tailwind 4 support and Phoenix 1.8 compatibility
• https://slashdot.org/story/25/10/21/1942240/amazons-dns-problem-knocked-out-half-the-web-likely-costing-billions – Report on AWS outage on October 20, 2025 that affected half the web
• https://health.aws.amazon.com/health/status – AWS health status dashboard
• GitHub announced plans to move infrastructure to Azure over 1-2 years
• https://www.anthropic.com/news/claude-code-on-the-web – Anthropic announces ClaudeCode Web
• https://claude.ai/code – ClaudeCode Web interface
• https://youtu.be/s-avRazvmLg – Video demonstration of ClaudeCode Web
• https://redis.io/blog/security-advisory-cve-2025-49844/ – Redis security advisory for CVE-2025-49844 with a 10.0 severity score allowing remote code execution

Do you have some Elixir news to share? Tell us at @ThinkingElixir or email at show@thinkingelixir.com

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• 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