1.18.0

Released on 2024-12-19

Changes

Type: enhancement
Tool: Elixir
Module: CLI
Description: Add experimental PowerShell scripts for `elixir`, `elixirc`, and `mix` on Windows. Those provide a safer entry point for running Elixir from other platforms
Type: enhancement
Tool: Elixir
Module: Calendar
Description: Add `Duration.to_string/1`
Type: enhancement
Tool: Elixir
Module: Code
Description: Support several migration options in `Code.format_string!/2`
Type: enhancement
Tool: Elixir
Module: Code
Description: Add parenthesis around `--` and `---` in `Code.format_string!/2` to make precedence clearer
Type: enhancement
Tool: Elixir
Module: Code
Description: Include more metadata in `Code.string_to_quoted/2` when `token_metadata: true` to help compute ranges from the AST
Type: enhancement
Tool: Elixir
Module: Code.Fragment
Description: Have `:capture_arg` as its own entry in `Code.Fragment.surround_context/2`
Type: enhancement
Tool: Elixir
Module: Config
Description: Add `Config.read_config/1`
Type: enhancement
Tool: Elixir
Module: Enumerable
Description: Add `Enum.product_by/2` and `Enum.sum_by/2`
Type: enhancement
Tool: Elixir
Module: Exception
Description: Add `MissingApplicationsError` exception to denote missing applications
Type: enhancement
Tool: Elixir
Module: JSON
Description: Add a new `JSON` module with encoding and decoding functionality
Type: enhancement
Tool: Elixir
Module: JSON
Description: Implement `JSON.Encoder` for all Calendar types
Type: enhancement
Tool: Elixir
Module: Kernel
Description: Update source code parsing to match [UTS #55](https://www.unicode.org/reports/tr55/) latest recommendations. In particular, mixed script is allowed in identifiers as long as they are separate by underscores (`_`), such as `http_сервер`. Previously allowed highly restrictive identifiers, which mixed Latin and other scripts, such as the japanese word for t-shirt, `Tシャツ`, now require the underscore as well
Type: enhancement
Tool: Elixir
Module: Kernel
Description: Warn on bidirectional confusability in identifiers
Type: enhancement
Tool: Elixir
Module: Kernel
Description: Verify the type of the binary generators
Type: enhancement
Tool: Elixir
Module: Kernel
Description: Track the type of tuples in patterns and inside `elem/2`
Type: enhancement
Tool: Elixir
Module: Kernel
Description: Perform validation of root AST nodes in `unquote` and `unquote_splicing` to catch bugs earlier
Type: enhancement
Tool: Elixir
Module: Kernel
Description: Add source, behaviour, and record information to Docs chunk metadata
Type: enhancement
Tool: Elixir
Module: Kernel
Description: Support deterministic builds in tandem with Erlang by setting `ERL_COMPILER_OPTIONS=deterministic`. Keep in mind deterministic builds strip source and other compile time information, which may be relevant for programs
Type: enhancement
Tool: Elixir
Module: Kernel
Description: Allow aliases and imports to be enabled conditionally in module body
Type: enhancement
Tool: Elixir
Module: List
Description: Add `List.ends_with?/2`
Type: enhancement
Tool: Elixir
Module: Macro
Description: Improve `dbg` handling of `if/2`, `with/1` and of code blocks
Type: enhancement
Tool: Elixir
Module: Macro
Description: Add `Macro.struct_info!/2` to return struct information mirroring `mod.__info__(:struct)`
Type: enhancement
Tool: Elixir
Module: Registry
Description: Add `Registry.lock/3` for local locking
Type: enhancement
Tool: Elixir
Module: PartitionSupervisor
Description: Add `PartitionSupervisor.resize!/2` to resize the number of partitions in a supervisor (up to the limit it was started with)
Type: enhancement
Tool: Elixir
Module: Process
Description: Handle arbitrarily high integer values in `Process.sleep/1`
Type: enhancement
Tool: Elixir
Module: Protocol
Description: Add `@undefined_impl_description` to customize error message when an implementation is undefined
Type: enhancement
Tool: Elixir
Module: Protocol
Description: Add `__deriving__/1` as optional macro callback to `Protocol`, no longer requiring empty implementations
Type: enhancement
Tool: Elixir
Module: String
Description: Inspect special whitespace and zero-width characters using their Unicode representation
Type: enhancement
Tool: Elixir
Module: String
Description: Update Unicode to 16.0
Type: enhancement
Tool: ExUnit
Module: ExUnit
Description: Support parameterized tests on `ExUnit.Case`
Type: enhancement
Tool: ExUnit
Module: ExUnit
Description: Support test groups: tests in the same group never run concurrently
Type: enhancement
Tool: ExUnit
Module: ExUnit.Case
Description: Add `test_pid` as a tag
Type: enhancement
Tool: IEx
Module: IEx
Description: Add `IEx.configure(auto_reload: true)` to automatically pick up modules recompiled from other operating system processes
Type: enhancement
Tool: IEx
Module: IEx
Description: Add `:dot_iex` support to `IEx.configure/1`
Type: enhancement
Tool: IEx
Module: IEx
Description: Add report for normal/shutdown exits in IEx
Type: enhancement
Tool: Mix
Module: mix compile
Description: Ensure only a single operating system process can compile at a given time
Type: enhancement
Tool: Mix
Module: mix deps.get
Description: Ensure only a single operating system process can fetch deps at a given time
Type: enhancement
Tool: Mix
Module: mix format
Description: Add `mix format --migrate` to migrate from deprecated functionality
Type: enhancement
Tool: Mix
Module: mix format
Description: Add new options and metadata to improve formatting applying by editors and other environments
Type: enhancement
Tool: Mix
Module: mix test
Description: Taint failure manifest if requiring or compiling tests fail
Type: enhancement
Tool: Mix
Module: Mix.Project
Description: Add a `:listeners` configuration to listen to compilation events from the current and other operating system processes
Type: enhancement
Tool: Mix
Module: Mix.Task.Compiler
Description: Add API for fetching all persisted compiler diagnostics
Type: enhancement
Tool: Mix
Module: Mix.Task.Compiler
Description: Add API for fetching all compiler tasks
Type: bugfix
Tool: Elixir
Module: Code
Description: Fix delimiter metadata for single quoted atoms and remote calls in `Code.string_to_quoted/2`
Type: bugfix
Tool: Elixir
Module: Code.Formatter
Description: Fix formatter adding extra escapes to quoted remote calls
Type: bugfix
Tool: Elixir
Module: Code.Fragment
Description: Properly handle keyword keys as their own entry
Type: bugfix
Tool: Elixir
Module: Inspect.Algebra
Description: Ensure `next_break_fits` respects `line_length`
Type: bugfix
Tool: Elixir
Module: Kernel
Description: Validate AST on `unquote` and `unquote_splicing` to provide better error reports instead of failing too late inside the compiler
Type: bugfix
Tool: Elixir
Module: Kernel
Description: Avoid crashes when emitting diagnostics on code using \t for indentation
Type: bugfix
Tool: Elixir
Module: Module
Description: Include module attribute line and name when tracing its aliases
Type: bugfix
Tool: Elixir
Module: Stream
Description: Do not halt streams twice in `Stream.transform/5`
Type: bugfix
Tool: Elixir
Module: URI
Description: Fix a bug when a schemaless URI is given to `URI.merge/2`
Type: bugfix
Tool: ExUnit
Module: ExUnit.Assertions
Description: Raise if guards are used in `assert/1` with `=`
Type: bugfix
Tool: ExUnit
Module: ExUnit.Assertions
Description: Format inserted/deleted maps in list assertions
Type: bugfix
Tool: IEx
Module: IEx.Helpers
Description: `IEx.Helpers.recompile/0` will reload modules changed by other operating system processes
Type: bugfix
Tool: Mix
Module: mix compile
Description: Ensure warnings from external resources are emitted with `--all-warnings` when files do not change
Type: bugfix
Tool: Mix
Module: mix deps.compile
Description: Fix escaping issues when invoking `rebar3` in some cases
Type: bugfix
Tool: Mix
Module: mix escript
Description: Fix escript layout and support storing `priv` directories
Type: bugfix
Tool: Mix
Module: mix release
Description: Make `.app` files deterministic in releases
Type: bugfix
Tool: Mix
Module: Mix.Shell
Description: Fix `Mix.Shell` on Windows when outputting non UTF-8 characters
Type: enhancement
Tool: Elixir
Module: Inspect.Algebra
Description: `color/3` is deprecated in favor of `color_doc/3`
Type: enhancement
Tool: Elixir
Module: Inspect.Algebra
Description: `fold_doc/2` is deprecated in favor of `fold/2`
Type: enhancement
Tool: Elixir
Module: Kernel
Description: Deprecate `unless` in favor of `if`. Use `mix format --migrate` to automate the migration
Type: enhancement
Tool: Elixir
Module: Macro
Description: `Macro.struct!/2` is deprecated in favor of `Macro.struct_info!/2`
Type: enhancement
Tool: Elixir
Module: Protocol
Description: Defining `__deriving__/3` inside the `Any` implementation is deprecated, derive it inside the protocol definition itself
Type: hard_deprecation
Tool: EEx
Module: EEx
Description: `<%#` is deprecated in favor of `<%!--` or `<% #`
Type: hard_deprecation
Tool: EEx
Module: EEx
Description: `c:EEx.handle_text/2` is deprecated in favor of `c:EEx.handle_text/3`
Type: hard_deprecation
Tool: Elixir
Module: Code
Description: Setting `:warnings_as_errors` is deprecated via `Code.put_compiler_option/2`. This must not affect developers, as the `:warnings_as_errors` option is managed by Mix tasks, and not directly used via the `Code` module
Type: hard_deprecation
Tool: Elixir
Module: Enumerable
Description: Deprecate returning a two-arity function in `Enumerable.slice/1`
Type: hard_deprecation
Tool: Elixir
Module: List
Description: `List.zip/1` is deprecated in favor of `Enum.zip/1`
Type: hard_deprecation
Tool: Elixir
Module: Module
Description: Deprecate `Module.eval_quoted/3` in favor of `Code.eval_quoted/3`
Type: hard_deprecation
Tool: Elixir
Module: Range
Description: Deprecate inferring negative ranges on `Range.new/2`
Type: hard_deprecation
Tool: Elixir
Module: Tuple
Description: `Tuple.append/2` is deprecated, use `Tuple.insert_at/3` instead
Type: hard_deprecation
Tool: Mix
Module: mix cmd
Description: Deprecate `mix cmd --app APP` in favor of `mix do --app APP`
Type: hard_deprecation
Tool: Mix
Module: mix compile
Description: `:warnings_as_errors` configuration in `:elixirc_options` is deprecated. Instead pass the `--warnings-as-errors` flag to `mix compile`. Alternatively, you might alias the task: `aliases: [compile: "compile --warnings-as-errors"]`
Type: hard_deprecation
Tool: Mix
Module: mix test
Description: `:warnings_as_errors` configuration in `:test_elixirc_options` is deprecated. Instead pass the `--warnings-as-errors` flag to `mix test`. Alternatively, you might alias the task: `aliases: [test: "test --warnings-as-errors"]`
Type: hard_deprecation
Tool: Mix
Module: Mix.Tasks.Compile
Description: Deprecate `compilers/0` in favor of `Mix.Task.Compiler.compilers/0`