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CHANGELOG.md

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Changelog for Elixir v1.18

This release no longer supports WERL (a graphical user interface for the Erlang terminal on Windows). For a better user experience on Windows terminals, use Erlang/OTP 26+.

v1.18.0-dev

1. Enhancements

Elixir

  • [CLI] Add experimental PowerShell scripts for elixir, elixirc, and mix on Windows. Those provide a safer entry point for running Elixir from other platforms
  • [Enumerable] Add Enum.product_by/2 and Enum.sum_by/2
  • [Exception] Add MissingApplicationsError exception to denote missing applications
  • [Kernel] Update source code parsing to match UTS #55 latest recommendations. In particular, mixed script is allowed in identifiers as long as they are separate by underscores (_), such as http_сервер. Previously allowed highly restrictive identifiers, which mixed Latin and other scripts, such as the japanese word for t-shirt, Tシャツ, now require the underscore as well
  • [Kernel] Warn on bidirectional confusability in identifiers
  • [Macro] Improve dbg handling of if/2, unless/2, and code blocks
  • [Process] Handle arbitrarily high integer values in Process.sleep/1
  • [String] Inspect special whitespace and zero-width characters using their Unicode representation

ExUnit

  • [ExUnit] Support parameterized tests on ExUnit.Case

IEx

  • [IEx] Add :dot_iex support to IEx.configure/1

2. Bug fixes

3. Soft deprecations (no warnings emitted)

4. Hard deprecations

EEx

  • [EEx] <%# is deprecated in favor of <%!-- or <% #
  • [EEx] c:EEx.handle_text/2 is deprecated in favor of c:EEx.handle_text/3

Elixir

  • [Enumerable] Deprecate returning a two-arity function in Enumerable.slice/1
  • [Module] Deprecate Module.eval_quoted/3 in favor of Code.eval_quoted/3
  • [Range] Deprecate inferring negative ranges on Range.new/2

Mix

  • [mix cmd] Deprecate mix cmd --app APP in favor of mix do --app APP

v1.17

The CHANGELOG for v1.17 releases can be found in the v1.17 branch.