Settings View Source Changelog for Elixir v1.15

This release requires Erlang/OTP 24 and later.

v1-15-0-dev

v1.15.0-dev

1-enhancements

1. Enhancements

EEx

• [EEx] Include source code snippets in syntax errors

Elixir

• [Code] Code.format_string!/2 now converts 'charlists' into ~c"charlists" by default
• [Date] Add Date.before?/2 and Date.after?/2
• [DateTime] Add DateTime.before?/2 and DateTime.after?/2
• [Inspect] Inspect now renders 'charlists' as ~c"charlists" by default
• [Kernel] Add t:nonempty_binary/0 and t:nonempty_bitstring/0
• [Kernel] Treat @behaviours as runtime dependencies
• [Kernel] Warn for nested calls without parens inside keywords
• [Kernel.CLI] Support --sname undefined/--name undefined so a name is automatically generated
• [Keyword] Add Keyword.split_with/2
• [Map] Add Map.split_with/2
• [MapSet] Add MapSet.split_with/2
• [NaiveDateTime] Add NaiveDateTime.before?/2 and NaiveDateTime.after?/2
• [Process] Add Process.alias/0,1 and Process.unalias/1
• [Range] Add Range.split/2
• [Sets] Optimize many functions in MapSet
• [String] Update Unicode to version 15.0.0
• [Supervisor] Add support for automatic shutdown in Supervisor
• [Task] Remove head blocking on Task.yield_many/2
• [Time] Add Time.before?/2 and Time.after?/2

ExUnit

• [ExUnit] Add more color configuration to ExUnit CLI formatter
• [ExUnit.Doctest] Add ExUnit.DocTest.doctest_file/2

IEx

• [IEx.Info] Implement protocol for Range and DateTime

Mix

• [Mix.Project] Support def cli to unify all CLI defaults in a single place
• [mix compile] Set --all-warnings by default
• [mix compile.app] Write optional_applications to .app file
• [mix deps.get] Automatically install Hex and Rebar on mix deps.get/mix deps.update
• [mix deps.get] Support --check-locked which raises if changes to the lockfile are required
• [mix format] Allow multiple formatters per file extension and sigil
• [mix format] Show diffs whenever --check-formatted fails

2-bug-fixes

2. Bug fixes

Elixir

• [Code.Formatter] Fix a scenario where a keyword followed by parenthesis could go above the maximum line length
• [Code.Formatter] Remove unecessary parens in nullary type funs
• [File] Do not raise if there are file system race conditions in File.cp/2
• [Kernel] Expand macros on the left side of -> in try/rescue
• [Kernel.ParallelCompiler] Make sure compiler doesn't crash when there are stray messages in the inbox
• [URI] Make sure URI.merge/2 works accordingly with relative paths

ExUnit

• [ExUnit] Do not merge context as tags inside the runner to reduce memory usage when emitting events to formatters
• [ExUnit] Do not expand or collect vars from quote in ExUnit assertions

IEx

• [IEx] Do not spawn a process to read IO. This fixes a bug where multiline paste stopped working whenever the input reader was killed
• [IEx] Do not perform completion for prompts triggered during code evaluation

3-soft-deprecations-no-warnings-emitted

3. Soft deprecations (no warnings emitted)

Mix

• [Mix.Project] :preferred_cli_env is deprecated in favor of :preferred_envs in def cli
• [Mix.Project] :preferred_cli_target is deprecated in favor of :preferred_targets in def cli

4-hard-deprecations

4. Hard deprecations

Elixir

• [Calendar] Calendar.ISO.day_of_week/3 is deprecated in favor of Calendar.ISO.day_of_week/4
• [Exception] Exception.exception?/1 is deprecated in favor of Kernel.is_exception/1
• [Kernel] Deprecate ... as a valid function call identifier
• [Regex] Regex.regex?/1 is deprecated in favor of Kernel.is_struct/2

Logger

• [Logger] Logger.warn/2 is deprecated in favor of Logger.warning/2

v1-14

v1.14

The CHANGELOG for v1.14 releases can be found in the v1.14 branch.