Release v0.3.0

Author: cigrainger

CHANGELOG.md

@@ -2,6 +2,43 @@
 
 All notable changes to Dux are documented here.
 
+## [0.3.0] - 2026-03-31
+
+### Bug Fixes
+
+- Mermaid rendering in ex_doc (exdoc:loaded + mermaid v11)
+- Asof_join doc group :join → :joins (#31)
+
+### Documentation
+
+- Add pre-production callout to README (#28)
+- FLAME cluster guide + fixes for distributed AVG rewrite, macro replay, n_rows (#47)
+
+### Features
+
+- Add Dux.exec/1 for raw DDL execution (#29)
+- Add cond/if/in to Query macro, document function pass-through (#32)
+- Per-worker stats in meta, remove pool-name status overload (#38)
+- Connection pool with persistent_term dispatch (#41)
+- SQL macros — Dux.define, define_table, undefine, list_macros (#42)
+- Shuffle hardening — memory limits, spill-to-disk, exchange serialization, skew mitigation (#43)
+
+### Miscellaneous
+
+- Post release (#26)
+- Upgrade ADBC 0.10 → 0.11 (#45)
+
+### Performance
+
+- Streaming merger delegates to DuckDB instead of Elixir-side folding (#34)
+- Use IPC instead of Elixir rows for table replication to workers (#35)
+- Eliminate data round-trip in Backend.query/2 (#40)
+- View-based compute with schema derivation (#46)
+
+### Refactoring
+
+- Build graph adjacency in DuckDB instead of Elixir MapSets (#36)
+
 ## [0.2.0] - 2026-03-24
 
 ### Bug Fixes

README.md

@@ -50,7 +50,7 @@ Where Dux diverges from Explorer:
 
 ```elixir
 def deps do
-  [{:dux, "~> 0.2.0"}]
+  [{:dux, "~> 0.3.0"}]
 end
 ```
 
@@ -179,7 +179,7 @@ Add [`kino_dux`](https://github.com/elixir-dux/kino_dux) for rich rendering and
 
 ```elixir
 Mix.install([
-  {:dux, "~> 0.2.0"},
+  {:dux, "~> 0.3.0"},
   {:kino_dux, "~> 0.1"}
 ])
 ```

guides/data-io.livemd

@@ -1,7 +1,7 @@
 # Data IO
 
 ```elixir
-Mix.install([{:dux, "~> 0.2.0"}])
+Mix.install([{:dux, "~> 0.3.0"}])
 ```
 
 ## Setup

guides/flame-clusters.livemd

@@ -2,7 +2,7 @@
 
 ```elixir
 Mix.install([
-  {:dux, github: "elixir-dux/dux", branch: "docs/guides-and-flame-cluster", override: true},
+  {:dux, "~> 0.3.0"},
   {:kino_dux, "~> 0.1"},
   {:flame, "~> 0.5"}
 ])

guides/getting-started.livemd

@@ -1,7 +1,7 @@
 # Getting Started
 
 ```elixir
-Mix.install([{:dux, "~> 0.2.0"}])
+Mix.install([{:dux, "~> 0.3.0"}])
 ```
 
 ## Meet the Penguins

guides/graph-analytics.livemd

@@ -1,7 +1,7 @@
 # Graph Analytics
 
 ```elixir
-Mix.install([{:dux, "~> 0.2.0"}])
+Mix.install([{:dux, "~> 0.3.0"}])
 ```
 
 ## Graphs Are Two DataFrames

guides/joins-and-reshape.livemd

@@ -1,7 +1,7 @@
 # Joins & Reshape
 
 ```elixir
-Mix.install([{:dux, "~> 0.2.0"}])
+Mix.install([{:dux, "~> 0.3.0"}])
 ```
 
 ## NYC Flights: A Star Schema

guides/transformations.livemd

@@ -1,7 +1,7 @@
 # Transformations
 
 ```elixir
-Mix.install([{:dux, "~> 0.2.0"}])
+Mix.install([{:dux, "~> 0.3.0"}])
 ```
 
 ## Setup

mix.exs

@@ -1,7 +1,7 @@
 defmodule Dux.MixProject do
   use Mix.Project
 
-  @version "0.2.1-dev"
+  @version "0.3.0"
   @source_url "https://github.com/elixir-dux/dux"
 
   def project do