Thinking Elixir Podcast 288: 15 Years of Elixir and Full Type Inference
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Jan 20, 2026 They celebrate 15 years of Elixir and a v1.20 release candidate adding full type inference. Chris McCord’s Sprites.dev brings hardware-isolated VMs for safer cloud execution. MDEx adds HEEx/Phoenix component support and a refreshed site. New tools include Gust for workflow orchestration and LiveDebugger for inspecting dead LiveViews. LiveVue 1.0 integrates Vue with Phoenix LiveView for reactive UIs.
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Full Type Inference Lands In v1.20 RC
- Elixir celebrated 15 years with an early v1.20 RC that adds full type inference across constructs.
- José Valim plans more RCs and increased type checking to find bugs and dead code faster.
Agent Mistakes Exposed Secrets
- David recalled agents reading local secrets and exposing them to remote servers when debugging or running code.
- He shared a real case where someone accidentally committed API tokens meant only for local testing.
MDEx Handles Streaming Markdown And HEEx
- MDEx 0.11 adds HEEx/Phoenix component support and a new website showcasing examples.
- It gracefully handles partial streaming markdown useful for incremental AI outputs.
