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CHANGELOG.md

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Changelog for Elixir v1.12

v1.12.0-dev

1. Enhancements

EEx

  • [EEx.Engine] Add c:EEx.Engine.handle_text/3 callback that receives text metadata
  • [EEx.Engine] Emit warnings for unused "do" expression in EEx

Elixir

  • [Code] Do not add newlines around interpolation on code formatting. Note this means formatted code that has interpolation after the line length on Elixir v1.12 won't be considered as formatted on earlier Elixir versions
  • [Calendar] Support basic datetime format in Calendar.ISO parsing functions
  • [DateTime] Add offset to DateTime.to_iso8601/2 (now to_iso8601/3)
  • [Enum] Add Enum.count_until/2 and Enum.count_until/3
  • [Enum] Add Enum.product/1
  • [Enum] Add Enum.zip_with/2 and Enum.zip_with/3
  • [Enum] Add support for functions as the second argument of Enum.with_index/2
  • [Float] Add Float.pow/2
  • [Integer] Add Integer.pow/2
  • [List] Add default value for List.first/1 and List.last/1
  • [Kernel] Also warn for literal structs on min/2 and max/2
  • [Kernel] Add Kernel.tap/2 and Kernel.then/2
  • [Kernel] Do not add runtime dependencies to remotes in typespecs
  • [Kernel] When there is an unused variable warning and there is a variable with the same name previously defined, suggest the user may have wanted to use the pin operator
  • [Macro] Add export dependencies on Macro.struct!/2
  • [Module] Add Module.get_definition/2 and Module.delete_definition/2
  • [Module] Allow @on_load to be a private function
  • [Regex] Add offset option to Regex.scan/3 and Regex.run/3
  • [Registry] Support compression on Registry tables
  • [Stream] Add Stream.zip_with/2 and Stream.zip_with/3
  • [String] Add :turkic mode option to String case functions
  • [System] Add System.trap_signal/3 and System.untrap_signal/2
  • [Tuple] Add Tuple.sum/1 and Tuple.product/1
  • [URI] Add functions for RFC3986 compliant encoding and decoding of queries

ExUnit

  • [ExUnit] Intercept SIGQUIT and show a list of all aborted tests as well as intermediate test results
  • [ExUnit] Interpolate module attributes in match assertions diffs
  • [ExUnit] Print how much time is spent on async vs sync tests

IEx

  • [IEx] Make IEx' parser configurable to allow special commands
  • [IEx] Show function signature when pressing tab after the opening parens of a function
  • [IEx] If an IEx expression starts with a binary operator, such as |>, automatically pipe in the result of the last expression

Mix

  • [Mix] Add Mix.install/2 for dynamically installing a list of dependencies
  • [Mix] Support :exit_code option in Mix.raise/2
  • [Mix] Discard MIX_ENV and MIX_TARGET values if they are empty strings
  • [Mix] Print the time taken to execute a task with on MIX_DEBUG=1

2. Bug fixes

Elixir

  • [CLI] Ensure -e "" (with an empty string) parses correctly on Windows
  • [Inspect] Do not override user supplied :limit option for derived implementations
  • [Kernel] Preserve CRLF on heredocs
  • [Kernel] Public functions without documentation now appear as an empty map on Code.fetch_docs/1, unless they start with underscore, where they remain as :none. This aligns Elixir's implementation with EEP48
  • [Kernel] Do not crash when complex literals (binaries and maps) are used in guards
  • [Kernel] Properly parse keywords (such as end) followed by the :: operator
  • [Macro] Macro.decompose_call/1 now also consider tuples with more than 2 elements to not be valid calls
  • [OptionParser] Properly parse when numbers follow-up aliases, for example, -ab3 is now parsed as -a -b 3
  • [Path] Fix Path.relative_to/2 when referencing self

IEx

  • [IEx] Fix auto-completion inside remote shells

Mix

  • [mix compile.elixir] Ensure that a manifest is generated even with no source code
  • [mix compile.elixir] Make sure export dependencies trigger recompilation when removed
  • [mix release] Improve compliance of release scripts with stripped down Linux installations

3. Soft-deprecations (no warnings emitted)

4. Hard-deprecations

EEx

  • [EEx.Engine] use EEx.Engine is deprecated in favor of explicit delegation

Elixir

  • [Kernel] Deprecate @foo() in favor of @foo
  • [System] Deprecate System.stacktrace/0 (it was already deprecated outside of catch/rescue and now it is deprecated everywhere)

Mix

  • [mix compile] The :xref compiler is deprecated and it has no effect. Please remove it from your mix.exs file.

v1.11

The CHANGELOG for v1.11 releases can be found in the v1.11 branch.