Settings View Source Changelog for Elixir v1.14

Elixir v1.14 requires Erlang/OTP 23+.

v1.14.0-dev

1. Enhancements

EEx

• [EEx] Support multi-line comments to EEx via <%!-- --%>

Elixir

• [Code] Emit deprecation and type warnings on Code.compile_string/2 and Code.compile_quoted/2
• [Code] Warn if an outdated lexical tracker is given on eval
• [Code] Add Code.env_for_eval/1 and Code.eval_quoted_with_env/3
• [Inspect] Improve error reporting when there is a faulty inspect implementation
• [Kernel] Allow any guard expression as the size of a bitstring in a pattern match
• [Kernel] Allow composite types with pins as the map key in a pattern match
• [Kernel] Print escaped version of control chars when they show up as unexpected tokens
• [Keyword] Add Keyword.from_keys/2 and Keyword.replace_lazy/3
• [List] Add List.keysort/3 with support for a sorter function
• [Macro] Add Macro.classify_atom/1 and Macro.inspect_atom/2
• [Macro.Env] Add Macro.Env.prune_compile_info/1
• [Map] Add Map.from_keys/2 and Map.replace_lazy/3
• [MapSet] Add MapSet.filter/2 and MapSet.reject/2
• [Node] Add Node.spawn_monitor/2 and Node.spawn_monitor/4
• [PartitionSupervisor] Add PartitionSupervisor that starts multiple isolated partitions of the same child for scalability
• [Path] Add Path.safe_relative/1 and Path.safe_relative_to/2
• [Registry] Add Registry.count_select/2
• [Stream] Add Stream.duplicate/2 and Stream.transform/5
• [String] Support empty lookup lists in String.replace/3, String.split/3, and String.splitter/3
• [Version] Add Version.to_string/1
• [Version] Colorize Version.Requirement source in Inspect protocol

IEx

• [IEx.Helpers] Allow an atom to be given to pid/1

Mix

• [mix test] Improve error message when suite fails due to coverage

2. Bug fixes

Elixir

• [Kernel] Define __exception__ field as true when expanding exceptions in typespecs

ExUnit

• [ExUnit] Do not raise when diffing unknown bindings in guards

IEx

• [IEx] Disallow short-hand pipe after matches

3. Soft-deprecations (no warnings emitted)

EEx

• [EEx] Using <%# ... %> for comments is deprecated. Please use <% # ... %> or the new multi-line comments with <%!-- ... --%>

4. Hard-deprecations

Elixir

• [Application] Calling Application.get_env/3 and friends in the module body is now discouraged, use Application.compile_env/3 instead
• [Bitwise] use Bitwise is deprecated, use import Bitwise instead
• [Bitwise] ~~~ is deprecated in favor of bnot for clarity
• [Kernel.ParallelCompiler] Returning a list or two-element tuple from :each_cycle is deprecated, return a {:compile | :runtime, modules, warnings} tuple instead
• [Kernel] Deprecate the operator <|> to avoid ambiguity with upcoming extended numerical operators
• [String] Deprecate passing a binary compiled pattern to String.starts_with?/2

Mix

• [Mix] Mix.Tasks.Xref.calls/1 is deprecated in favor of compilation tracers

v1.13

The CHANGELOG for v1.13 releases can be found in the v1.13 branch.