Changelog for Elixir v1.2

v1.2 brings enhancements, bug fixes, performance improvements and more into Elixir. Elixir v1.2 supports only Erlang 18. Upgrading to Erlang 18 is therefore recommended before upgrading Elixir.

v1.2.0-dev

1. Enhancements

Elixir

• [Kernel] Support multiple aliases in alias, import, require and use. For example, alias MyApp.{Foo, Bar, Baz}
• [Kernel] Add struct!/2. Similar to struct/2 but raises on invalid keys
• [Macro] Add Macro.traverse/4 that performs pre and post-walk at once
• [String] Support String.normalize/2 and String.equivalent?/2 that perform NFD and NFC normalization

EEx

ExUnit

IEx

• [IEx] Display type docs for t(Module.type) and t(Module.type/arity)

Logger

Mix

• [Mix] Cache and always consolidate protocols

2. Bug fixes

Mix

• [Mix] Always run non-recursive tasks at the umbrella root

3. Soft deprecations (no warnings emitted)

4. Deprecations