elixir-knowledge-patch

# Elixir Knowledge Patch Use this index to load only the references relevant to the task. Apply the migration notes before adopting newer APIs, especially when upgrading an existing project or runtime. ## Reference index | Reference | Topics | |---|---| | [ecto.md](references/ecto.md) | Ecto queries, schemas, changesets, repositories, adapter migrations | | [elixir-language-and-core.md](references/elixir-language-and-core.md) | Elixir syntax, core APIs, JSON, files, regexes, processes, compatibility | | [erlang-otp.md](references/erlang-otp.md) | Erlang syntax and libraries, processes, tracing, profiling, storage, security | | [interop-and-portability.md](references/interop-and-portability.md) | Browser Elixir, C++, Zig, Python, and Swift interoperability | | [phoenix-and-liveview.md](references/phoenix-and-liveview.md) | Phoenix generators and scopes, layouts, authentication, LiveView components and tests | | [tooling-testing-and-releases.md](references/tooling-testing-and-releases.md) | Mix, compiler behavior, formatter, IEx, ExUnit, ExDoc, release artifacts | | [types-and-static-analysis.md](references/types-and-static-analysis.md) | Set-theoretic types, inference, diagnostics, Dialyzer nominal types | ## Breaking changes and required migrations ### Check runtime compatibility - Run Elixir 1.20 on Erlang/OTP 27 or newer. It is compatible with OTP 29. - Run Phoenix 1.8 on OTP 25 or newer, and install the matching generator explicitly when upgrading: `mix archive.insta...