Changelog for Elixir v1.5

v1.5.0-dev

1. Enhancements

Elixir

[File] Add File.read_link/1 and File.read_link!/1
[File] Introduce :trim_bom option for File.stream!/2
[List] List.starts_with?/2
[Macro] Introduce Macro.generate_arguments/2

IEx

[IEx.Helpers] Add e/1 IEx helper to list all exports in a module
[IEx.Info] Implement IEx.Info protocol for calendar types

Mix

[Mix.Hex] Add --if-missing flag to local.hex mix task

2. Bug fixes

Elixir

[Kernel] Support guards on anonymous functions of zero arity
[Kernel] Fix compilation of maps used as maps keys inside matches

3. Soft deprecations (no warnings emitted)

Elixir

[Kernel] not left in right is soft-deprecated in favor of left not in right

4. Deprecations

Elixir

[GenEvent] Hard deprecate GenEvent and provide alternatives in its docs
[Kernel] Using () to mean nil is deprecated
[Module] Using Erlang parse transforms via @compile {:parse_transform, _} is deprecated

v1.4

The CHANGELOG for v1.4 releases can be found in the v1.4 branch.