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CHANGELOG.md

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Changelog for Elixir v1.17

Adding Duration and shift/2 functions

TODO.

v1.17.0-dev

1. Enhancements

Elixir

  • [Access] Add Access.find/1 that mirrors Enum.find/2
  • [Date] Add Date.shift/2 to shift dates with duration and calendar-specific semantics
  • [DateTime] Add DateTime.shift/2 to shift datetimes with duration and calendar-specific semantics
  • [Duration] Add a new Duration data type
  • [Kernel] Add Kernel.get_in/1 with safe nil-handling for access and structs
  • [Kernel] Emit warnings for undefined functions from modules defined within the same context as the caller code
  • [Macro] Add Macro.Env.define_alias/4, Macro.Env.define_import/4, Macro.Env.define_require/4, Macro.Env.expand_alias/4, Macro.Env.expand_import/5, and Macro.Env.expand_require/6 to aid the implementation of language servers and embeddeed languages
  • [NaiveDateTime] Add NaiveDateTime.shift/2 to shift naive datetimes with duration and calendar-specific semantics
  • [Process] Add Process.set_label/1
  • [String] Add String.byte_slice/3 to slice a string to a maximum number of bytes while keeping it UTF-8 encoded
  • [Time] Add Time.shift/2 to shift times with duration and calendar-specific semantics

ExUnit

  • [ExUnit] Propagate the test process itself as a caller in start_supervised

IEx

  • [IEx.Helpers] Warns if recompile was called and the current working directory changed
  • [IEx.Helpers] Add c/0 as an alias to continue/0
  • [IEx.Pry] Add IEx.Pry.annotated_quoted/3 to annotate a quoted expression with pry breakpoints

Logger

  • [Logger] Format :gen_statem reports using Elixir data structures
  • [Logger] Include process label in logger events

Mix

  • [mix deps] Add :depth option to Mix.SCM.Git, thus supporting shallow clones of Git dependencies
  • [mix deps] Warn if :optional is used in combination with :in_umbrella
  • [mix deps.get] Do not add optional dependency requirements if its parent dep was skipped
  • [mix deps.tree] Add --umbrella-only to mix deps.tree
  • [mix test] Add mix test --breakpoints that sets up a breakpoint before each test that will run
  • [mix test] Add mix test --repeat-until-failure to rerun tests until a failure occurs
  • [mix test] Add mix test --slowest-modules to print slowest modules based on all of the tests they hold

2. Bug fixes

Elixir

  • [Code] Address a bug where AST nodes for (a -> b) were not wrapped as part of the literal encoder
  • [Kernel] Resolve inconsistencies of how .. and ... are handled at the AST level
  • [Kernel] Fix parsing of ambiguous operators followed by containers

IEx

  • [IEx.Helpers] Also update the history size whenever it is pruned

3. Soft deprecations (no warnings emitted)

4. Hard deprecations

Elixir

  • [IO] Passing :all to IO.read/2 and IO.binread/2 is deprecated, pass :eof instead
  • [Kernel] Single-quote charlists are deprecated, use ~c instead
  • [Kernel] Deprecate escaping closing delimiter in uppercase sigils
  • [Range] left..right without explicit steps inside patterns and guards is deprecated, write left..right//step instead
  • [Range] Decreasing ranges, such as 10..1 without an explicit step is deprecated, write 10..1//-1 instead

ExUnit

  • [ExUnit.Case] register_test/4 is deprecated in favor of register_test/6 for performance reasons

v1.16

The CHANGELOG for v1.16 releases can be found in the v1.16 branch.