Changelog

v0.2.1 - 2026-06-23

Changed ETF manifests to store the typed %ReleaseKit.Manifest{} contract directly.
Added ReleaseKit.Manifest.read!/1 and validation for typed manifest consumers.

Added manifest format v2 with artifact, target, build, and asset metadata.
Added SHA-256 checksum sidecars for release tarballs.
Added target-aware artifact and manifest naming.
Added lifecycle steps for :before_compile, :before_release, :after_release, :before_package, and :after_package.
Added first-class Volt asset presets with flat config, named profiles, multiple profiles, Tailwind, source maps, public directory, asset URL prefix, and production build toggles.
Added validation for ReleaseKit artifact config, lifecycle steps, asset presets, Volt profile config, and target config.

ReleaseKit now records Volt asset metadata in the ETF manifest when Volt assets are built.
examples/vanilla now uses the first-class Volt asset preset.

Added configurable artifact prebuild steps through the ReleaseKit.Step behaviour.
Added optional ReleaseKit.Step.Volt, compiled only when :volt and :npm are available.
Added --skip-prebuild to mix release_kit.artifact.
Added a real examples/vanilla Phoenix/Volt application that builds with mix release_kit.artifact.

Artifact defaults can now be configured with config :release_kit, :artifact and overridden by CLI flags.
Documentation now focuses on end-user install, configuration, prebuild steps, and deployment boundaries.

Initial ReleaseKit package.
Added OTP release tarball creation.
Added ETF manifest generation with runtime command, environment hints, and optional HTTP health-check metadata.
Added mix release_kit.artifact.