Episode 287 of Thinking Elixir. News includes Arcana, a new RAG library for Phoenix that adds vector search and AI Q&A using Postgres and pgvector, a JavaScript embedding library called MquickjsEx that brings MicroQuickJS to Elixir processes, LiveDebugger v0.5.0 with support for LiveView Streams, DaisyUI officially supporting Phoenix in their commercial dashboard templates, Durable - a new workflow engine similar to Temporal, José Valim teasing beautiful type system improvements, the Hologram project receiving an EEF stipend, Jido 2.0 demonstrating swarms of 1,575 agents indexing code in 7 seconds, ElixirConf EU 2026 announcing José Valim and Chris McCord as keynote speakers, and more!