v1.0.2

Bug fixes

• [EEx] Remove invalid warning when attempting to inline code in EEx
• [EEx] Unify syntax errors to always include file:line:
• [IEx] Set null prompt function in dumb term mode
• [Kernel] Do not define an ets table with the same name as the module as it clashes with user code
• [Kernel] Fail compiling try expressions if they lack one of catch/after/rescue/else clauses
• [Kernel] Improve error messages when parsing fails on aliases
• [Kernel] Improve warnings coming from compile-time evaluation of arguments
• [String] Fix String.replace/4 typespec

v1.0.1

Enhancements

• [Mix] Add MIX_ENV output to archive.build (as on escript.build)

Bug fixes

• [CLI] Fix Elixir CLI when running on Cygwin
• [ExUnit] Include stacktraces in ExUnit timeouts
• [Mix] Load dependencies before deps.check compiles dependencies
• [Mix] Ensure Mix.Config is deep merged
• [Mix] Change version requirement in new apps to ~> MAJOR.MINOR
• [Mix] Report correct location if local.hex fails and give higher priority to powershell install on Windows
• [Mix] Ensure --elixirc-paths option for compile.elixir is a subset of the project :elixirc_paths configuration and it does not remove skipped entries from the manifest
• [Mix] Ensure compile.elixir writes to manifest when files are removed
• [Mix] Ensure compile.elixir purges and deletes modules before compiling
• [Mix] Do not crash on malformed proxy env var
• [Stream] Ensure chunk/4 works correctly when halted
• [System] Do not allow relative paths in System.cmd/3 as documented
• [System] Fix :stderr_to_stdout option in System.cmd/3

v1.0.0

Enhancements

• [Logger] Add Logger.enable/1 and Logger.disable/1

Backwards incompatible changes

• [GenEvent] No longer support {:swap_handler, ...} as callback return value
• [List] List.unzip/2 was removed

v0.15.1

Enhancements

• [GenEvent] Support :ack mode for GenEvent streams
• [Inspect] Support :base option in inspect/2 to choose the base (:binary, :octal, :decimal or :hex) numbers a printed
• [Kernel] Print warnings when used ? with characters with escape codes
• [Logger] Add SASL log forwarding option to Logger
• [Logger] Add $padlevel to option Logger formatter
• [Logger] Backends receive the exact handler value when added, allowing a key to be passed for configuration lookup
• [Logger] Add Logger.flush/0 to flush the Logger (useful for testing)
• [Logger] Persist backends dynamically added or removed via add_backend/2 and remove_backend/2
• [Macro] Add Macro.validate/1 to recursively check if a value is a valid quoted expression
• [Mix] Load mix deps only when there is a need to use them (this improves the timing for the majority of tasks in a Mix project)
• [Mix] Make the environment explicit on the success message generated after escript.build is invoked
• [Mix] Load config/config.exs inside escripts
• [Mix] Store and check Elixir version requirement for generated archives

Bug fixes

• [CLI] Fix shell bugs when running on Windows with Cygwin or MinGW
• [Kernel] Modules compiled by Elixir now report the correct beam location when :code.which/1 is invoked. If the bytecode is only available in memory, :code.which/1 returns :in_memory
• [Kernel] Do not expand args for unknown functions/macros
• [Kernel] Ensure defstruct, @attr inside and friends raise a nice error messages when values cannot be properly escaped
• [Kernel] Do not raise conflicts on imports used from inside quotes
• [Logger] Metadata is now correctly merged on each Logger.metadata/1 call
• [Logger] Use the Logger PID on :error_logger wrapper to avoid race conditions on shutdown
• [Macro] Ensure bitstrings work with Macro.escape/1
• [Mix] Ensure aliases are invoked on umbrella recursive tasks
• [Mix] Leave it up to the application to start the Logger after compilation
• [Mix] Accept more forms of git versions (like "git version 1.9.3 (Apple Git-50)")
• [Path] Do not normalize paths in Path.join/2 as normalization is beyond the scope of such function
• [URI] to_string/1 now properly converts URI to strings when the schema is missing

Deprecations

• [Collectable] Having a function as collectable is deprecated
• [Module] Module.function/3 is deprecated, please use :erlang.make_fun/3 instead

v0.15.0

Enhancements

• [Agent] Improve the Agent API to also accept functions that receive explicit module, function and arguments
• [IEx] Support --werl call on Windows
• [Logger] Add Logger
• [Map] Add Map.from_struct/1
• [Mix] Allow --app flag to be passed to mix new
• [Mix] Support lowercase http(s)_proxy environment variables
• [Mix] Allow elixirc_paths to also be given through the command line to mix compile.elixir
• [String] String.slice/2 and String.slice/3 have been optimized

Bug fixes

• [IEx] Ensure functions in Kernel.SpecialForms and IEx.Helpers are also auto-completed
• [IEx] Ensure remote shells can be started with --remsh
• [Kernel] Correctly parse unary/binary operators regardless of number of spaces
• [Kernel] Ensure private functions are not exported
• [Protocol] Do not expose protocol convention on assert_impl!/2
• [Regex] Do not consider include captures on Regex.split/3 results
• [Stream] Implement the Inspect protocol for Streams so we do not leak the Stream representation

Deprecations

• [IEx] IEx color configuration expects a list of atoms instead of a string with colors separated by comma
• [Inspect] Inspect.Algebra.surround_many/6 now expects Inspect.Opts instead of an integer limit
• [Inspect] Inspect.Algebra.pretty/2 is deprecated in favor of Inspect.Algebra.format/2 that instead returns iodata. This function was used only by documentation examples and it is unlikely to affect actual code
• [IO] IO.ANSI.terminal? is deprecated in favor of IO.ANSI.enabled?
• [IO] IO.ANSI.escape/2 and IO.ANSI.escape_fragment/2 is deprecated in favor of IO.ANSI.format/2 and IO.ANSI.format_fragment/2
• [Kernel] Leading 0 for octals is deprecated in favor of 0o
• [Kernel] 0X for hexadecimals is deprecated in favor of 0x
• [Kernel] 0B for binaries is deprecated in favor of 0b
• [Mix] Mix color configuration expects a list of atoms instead of a string with colors separated by comma
• [String] \NNN, \NN and \N for octals are deprecated inside string, sigils and chars in favor of hexadecimal entries with \x

Backwards incompatible changes

• [Kernel] binding/1 and binding/2 expecting a list were removed
• [Regex] Do not consider include captures on Regex.split/3 results

v0.14.3

Enhancements

• [Access] Allow function access on get_in/2 and get_and_update_in/3
• [Enum] Add Enum.sort_by/3
• [ExUnit] Match the line filter by proximity instead of exact match
• [Float] Support precision in Float.ceil/1 and Float.floor/1
• [IO] Add IO.(bin)read(device, :all)
• [Kernel] Print a warning if a dangling @doc clause is found
• [Mix] Use absolute symbolic links on Windows for _build instead of copying
• [Mix] Add Mix.compilers that returns all default compilers used by mix tasks
• [Mix] Issue warning and reset mtime for source files from the future
• [Mix] Support task aliases in Mix
• [OptionParser] Add OptionParser.split/1 that splits a string into argv
• [Record] Allow a record to be converted to a keyword list with record(some_record)
• [String] Improve performance of String.split/1
• [Typespec] Allow %Struct{} syntax to be used in typespecs
• [Typespec] Allow record(:record, fields) syntax to be used in typespecs

Bug fixes

• [IEx] Do not print ANSI sequences on IEx.Helpers.clear/0 if ANSI sequences are not supported
• [Inspect] Ensure Inspect.Algebra.to_doc/2 doesn't go into a loop when there is a failure printing a struct
• [Kernel] |>, <<<, >>> and ^^^ made left associative in operator table
• [Kernel] <, >, <=, >= given higher precedence than comparison operators (==, !=, etc) in the operator table
• [Kernel] Run command line and escripts in a process that does not trap exits
• [Kernel] Fix a bug where Mix paths had higher priority than CLI ones, causing protocol consolidations to not be properly loaded
• [Kernel] Fix wording on error messages when a check/guard always passes or always fails
• [Kernel] Fix a bug where an unused function warning was printed even when the function was used via defoverridable
• [Kernel] Improve typespecs so they don't generate supertype dialyzer warnings
• [Macro] to_string correctly displays sigils
• [Mix] Ensure Mix dependencies are not compiled every second time when mix deps.compile is invoked
• [Mix] Fix a bug where Mix.shell.error/1 and friends choked when printing a map
• [Mix] Ensure multiple @external_resource entries are read by Mix compilers
• [Mix] Fix a bug where tasks for umbrella projects were not properly reenabled
• [Stream] Fix bug when flat_map is used inside another flat_map with an Enumerable
• [Typespec] Fix a bug where the list typespec was incorrectly rendered as []

Soft deprecations (no warnings emitted)

• [Kernel] Using a list for bitstring modifiers is deprecated (as in <<x :: [little, utf16]>>), please use - as the separator instead (as in <<x :: little-utf16>>)
• [System] System.cmd/1 is deprecated in favor of System.cmd/3

Deprecations

• [Mix] mix escriptize is deprecated in favor of escript.build
• [Mix] mix local.install and mix local.uninstall have been deprecated in favor of mix archive.install and mix archive.uninstall respectively
• [Mix] :embed_extra_apps for escripts is deprecated, instead list the dependencies inside def application
• [System] Giving a char list to System.find_executable/1 is deprecated

Backwards incompatible changes

• [Access] No longer fill in missing intermediate values with empty maps
• [Float] Float.ceil/2 and Float.floor/2 now always returns floats and no longer accept integers
• [Kernel] defstruct no longer automatically defines a type
• [Kernel] exit(integer) is no longer supported from scripts to configure the exit signal. Use exit({:shutdown, integer}) instead
• [Kernel] Default argument values have to be defined in a function head if the function has multiple clauses
• [Mix] mix archive.build replaces the functionality of mix archive, mix archive now lists locally installed archives
• [Mix] Mix.shell.info/1 no longer automatically escape ANSI sequences. Instead if has to be explicitly enabled with the ansi: true option
• [OptionParser] --no-SWITCH are only allowed for declared booleans switches

v0.14.2

Enhancements

• [Enum] Improve performance of Enum.join/2 and Enum.map_join/3 by using iolists
• [Kernel] Ensure compatibility with Erlang 17.1
• [Kernel] Support @external_resource attribute to external dependencies to a module
• [Mix] Allow built Git dependencies to run on a system without Git by passing --no-deps-check
• [Mix] Add MIX_ARCHIVES env variable (it is recommended for Elixir build tools to swap this environment)
• [Task] Set :proc_lib initial call on task to aid debugging
• [Typespec] Delay typespec compilation to after expansion
• [URI] Allow parse/1 now accepts %URI{} as argument and return the uri itself

Bug fixes

• [CLI] Support paths inside archives in -pa and -pz options
• [IEx] Remove delay when printing data from the an application start callback
• [IEx] Ensure we show a consistent error when we cannot evaluate .iex.exs
• [Kernel] Ensure derived protocols are defined with a file
• [Kernel] Change precedence of & to not special case /
• [Kernel] Ensure we can only use variables and \\ as arguments of bodyless clause

Soft deprecations (no warnings emitted)

• [EEx] Using EEx.TransformerEngine and EEx.AssignsEngine are deprecated in favor of function composition with Macro.prewalk/1 (see EEx.SmartEngine for an example)
• [Kernel] Kernel.xor/2 is deprecated
• [Mix] Mix.Generator.from_file/1 is deprecated in favor of passing from_file: file option to embed_text/2 and embed_template/2 (note though that from_file/1 expects a path relative to the current file while the from_file: file expects one relative to the current working directory)

Deprecations

• [Kernel] size/1 is deprecated in favor of byte_size/1 and tuple_size/1 (this change was soft deprecated two releases ago)

Backwards incompatible changes

• [CLI] Remove support for the --gen-debug option as its usage is not documented by OTP
• [Kernel] Sigils no longer balance start and end tokens, e.g. the sigil ~s(f(o)o) is no longer valid as it finishes in the first closing )
• [Kernel] Variables set in cond clause heads are no longer available outside of that particular cond clause (this is the behaviour also found in case, receive and friends)
• [System] build_info/0 now returns a map

v0.14.1

Enhancements

• [Base] Decoding and encoding functions now accept the :case as an option
• [ExUnit] The test process now exits with :shutdown reason
• [GenEvent] GenEvent.stream/2 now accepts :sync and :async modes
• [Node] Add Node.start/3 and Node.stop/0
• [String] Updated Unicode database to 7.0
• [Task] Log when tasks crash

Bug fixes

• [Enum] Enum.slice/2 and Enum.slice/3 always returns a list (and never nil)
• [Kernel] Disambiguate (w)erl to (w)erl.exe
• [Mix] Ensure umbrella project is recompiled when a dependency inside an umbrella child changes
• [OptionParser] Do not allow underscores in option names
• [Path] Fix path expansion of "/.."
• [Path] Do not match files starting with . in Path.wildcard/2 by default
• [Process] Process.info(pid, :registered_name) returns {:registered_name, nil} if there is no registered name
• [String] String.slice/2 and String.slice/3 always returns a list (and never nil)
• [URI] encode/1 does not escape reserved/unreserved characters by default nor encodes whitespace as + (check URI.encode_www_form/1 and URI.decode_www_form/1 for previous behaviour)

Deprecations

• [Mix] :escript_* options were moved into a single :escript group

Backwards incompatible changes

• [GenEvent] GenEvent.stream/2 defaults to :sync mode
• [Kernel] Remove get_in/1

v0.14.0

Enhancements

• [ExUnit] Add on_exit/1 callbacks that are guaranteed to run once the test process exits and always in another process
• [Kernel] Store documentation in the abstract code to avoid loading them when the module is loaded
• [Kernel] Add get_in/2, put_in/3, update_in/3 and get_and_update_in/3 to handle nested data structure operations
• [Kernel] Add get_in/1, put_in/2, update_in/2 and get_and_update_in/2 to handle nested data structure operations via paths
• [Mix] Add Mix.Config to ease definition of configuration files
• [Mix] Add mix loadconfig task that can be called multiple times to load external configs
• [Mix] Support --config option on mix run
• [Mix] Support HTTP_PROXY and HTTPS_PROXY on Mix url commands
• [Mix] Support --names options in mix help which emit only names (useful for autocompletion)
• [Protocol] Add Protocol.consolidate/2, Protocol.consolidated?/1 and a mix compile.protocols task for protocol consolidation
• [Protocol] Add Protocol.derive/3 for runtime deriving of a struct
• [String] Add String.chunk/2
• [Struct] Add support for @derive before defstruct/2 definitions

Bug fixes

• [File] File.rm now consistently deletes read-only across operating systems
• [Kernel] Ensure Mix _build structure works on Windows when copying projects
• [Kernel] Ensure 1.0E10 (with uppercase E) is also valid syntax
• [Mix] Fix mix do task for Windows' powershell users
• [Path] Fix Path.absname("/") and Path.expand("/") to return the absolute path "/".

Soft deprecations (no warnings emitted)

• [Kernel] size/1 is deprecated, please use byte_size/1 or tuple_size/1 instead
• [ExUnit] teardown/2 and teardown_all/2 are deprecated in favor of on_exit/1 callbacks

Deprecations

• [Access] Access.access/2 is deprecated in favor of Access.get/2
• [Dict] Dict.Behaviour is deprecated in favor of Dict
• [Kernel] Application.Behaviour, GenEvent.Behaviour, GenServer.Behaviour and Supervisor.Behaviour are deprecated in favor of Application, GenEvent, GenServer and Supervisor
• [Kernel] defexception/3 is deprecated in favor of defexception/1
• [Kernel] raise/3 is deprecated in favor of reraise/2
• [Kernel] set_elem/3 is deprecated in favor of put_elem/3
• [Kernel] Passing an atom var!/1 is deprecated, variables can be built dynamically with Macro.var/2
• [Mix] Exceptions that define a :mix_error field to be compatible with Mix are no longer supported. Instead please provide a :mix field and use Mix.raise/1 and Mix.raise/2

Backwards incompatible changes

• [Access] Kernel.access/2 no longer exists and the Access protocol now requires get/2 (instead of access/2) and get_and_update/3 to be implemented
• [Kernel] Retrieving docs as module.__info__(:docs) is no longer supported, please use Code.get_docs/2 instead
• [Kernel] Code.compiler_options/1 no longer accepts custom options, only the ones specified by Elixir (use mix config instead)
• [Mix] mix new no longer generates a supevision tree by default, please pass --sup instead
• [Task] Tasks are automatically linked to callers and a failure in the task will crash the caller directly

v0.13.3

Enhancements

• [OptionParser] Add :strict option that only parses known switches
• [OptionParser] Add next/2 useful for manual parsing of options
• [Macro] Add Macro.prewalk/2/3 and Macro.postwalk/2/3
• [Kernel] GenEvent, GenServer, Supervisor, Agent and Task modules added
• [Kernel] Make deprecations compiler warnings to avoid the same deprecation being printed multiple times

Bug fixes

• [Enum] Fix Enum.join/2 and Enum.map_join/3 for empty binaries at the beginning of the collection
• [ExUnit] Ensure the formatter doesn't error when printing :EXITs
• [Kernel] Rename ELIXIR_ERL_OPTS to ELIXIR_ERL_OPTIONS for consistency with ERL_COMPILER_OPTIONS
• [OptionParser] Parse - as a plain argument
• [OptionParser] -- is always removed from argument list on parse/2 and when it is the leading entry on parse_head/2
• [Regex] Properly escape regex (previously regex controls were double escaped)

Soft deprecations (no warnings emitted)

• [Dict] Dict.Behaviour is deprecated in favor of Dict
• [Kernel] Application.Behaviour, GenEvent.Behaviour, GenServer.Behaviour and Supervisor.Behaviour are deprecated in favor of Application, GenEvent, GenServer and Supervisor
• [Kernel] defexception/3 is deprecated in favor of defexception/1
• [Kernel] raise/3 is deprecated in favor of reraise/2
• [Kernel] set_elem/3 is deprecated in favor of put_elem/3

Soft deprecations for conversions (no warnings emitted)

• [Kernel] atom_to_binary/1 and atom_to_list/1 are deprecated in favor of Atom.to_string/1 and Atom.to_char_list/1
• [Kernel] bitstring_to_list/1 and list_to_bitstring/1 are deprecated in favor of the :erlang ones
• [Kernel] binary_to_atom/1, binary_to_existing_atom/1, binary_to_float/1, binary_to_integer/1 and binary_to_integer/2 are deprecated in favor of conversion functions in String
• [Kernel] float_to_binary/* and float_to_list/* are deprecated in favor of Float.to_string/* and Float.to_char_list/*
• [Kernel] integer_to_binary/* and integer_to_list/* are deprecated in favor of Integer.to_string/* and Integer.to_char_list/*
• [Kernel] iodata_to_binary/1 and iodata_length/1 are deprecated IO.iodata_to_binary/1 and IO.iodata_length/1
• [Kernel] list_to_atom/1, list_to_existing_atom/1, list_to_float/1, list_to_integer/1, list_to_integer/2 and list_to_tuple/1 are deprecated in favor of conversion functions in List
• [Kernel] tuple_to_list/1 is deprecated in favor of Tuple.to_list/1
• [List] List.from_char_data/1 and List.from_char_data!/1 deprecated in favor of String.to_char_list/1
• [String] String.from_char_data/1 and String.from_char_data!/1 deprecated in favor of List.to_string/1

Deprecations

• [Kernel] is_exception/1, is_record/1 and is_record/2 are deprecated in favor of Exception.exception?1, Record.record?/1 and Record.record?/2
• [Kernel] defrecord/3 is deprecated in favor of structs
• [Kernel] :hygiene in quote is deprecated
• [Mix] Mix.project/0 is deprecated in favor of Mix.Project.config/0
• [Process] Process.spawn/1, Process.spawn/3, Process.spawn_link/1, Process.spawn_link/3, Process.spawn_monitor/1, Process.spawn_monitor/3, Process.send/2 and Process.self/0 are deprecated in favor of the ones in Kernel

Backwards incompatible changes

• [Exception] Exceptions now generate structs instead of records
• [OptionParser] Errors on parsing returns the switch and value as binaries (unparsed)
• [String] String.to_char_list/1 (previously deprecated) no longer returns a tuple but the char list only and raises in case of failure