Thinking Elixir Podcast 295: Is Your Type System Leaking?
16 snips
Mar 10, 2026 A deep dive into Elixir's type system rewrite that slashes worst-case checks from seconds to milliseconds. A conversation about type systems as leaky abstractions and refactoring tradeoffs. New tools and releases: versioned AI skill packaging, Oban Pro workflow UI improvements, a native Spark Connect client, Livebook Desktop on Linux, and several ecosystem updates.
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Package And Version AI Skills With usage_rules
- Use usage_rules to distribute versioned AI skills inside Hex packages so teams get consistent, updatable LLM behaviors.
- Zach Daniel's feature lets package authors ship full skills that consumers copy and upgrade with dependency updates.
Graph Views Make Workflows Understandable
- Visualizing workflows in a web UI greatly improves comprehension of complex job DAGs and progress.
- Oban Pro teased a workflow search page, progress bars, filters, and a canvas graph of workflow nodes for better observability.
Use MDEx Codefence Renderers For Rich Markdown
- Try MDEx v0.11.6 to add custom code fence renderers for richer markdown outputs like CSV, charts, and Pikchr.
- The release also fixes syntax highlighting and the streaming parser for more reliable rendering.