-### 18.9b0
-
-* numeric literals are now formatted by *Black* (#452, #461, #464, #469):
-
- * numeric literals are normalized to include `_` separators on Python 3.6+ code
-
- * added `--skip-numeric-underscore-normalization` to disable the above behavior and
- leave numeric underscores as they were in the input
-
- * code with `_` in numeric literals is recognized as Python 3.6+
-
- * most letters in numeric literals are lowercased (e.g., in `1e10`, `0x01`)
-
- * hexadecimal digits are always uppercased (e.g. `0xBADC0DE`)
-
-* added `blackd`, see [its documentation](#blackd) for more info (#349)
-
-* adjacent string literals are now correctly split into multiple lines (#463)
-
-* trailing comma is now added to single imports that don't fit on a line (#250)
-
-* cache is now populated when `--check` is successful for a file which speeds up
- consecutive checks of properly formatted unmodified files (#448)
-
-* whitespace at the beginning of the file is now removed (#399)
-
-* fixed mangling [pweave](http://mpastell.com/pweave/) and
- [Spyder IDE](https://pythonhosted.org/spyder/) special comments (#532)
-
-* fixed unstable formatting when unpacking big tuples (#267)
-
-* fixed parsing of `__future__` imports with renames (#389)
-
-* fixed scope of `# fmt: off` when directly preceding `yield` and other nodes (#385)
-
-* fixed formatting of lambda expressions with default arguments (#468)
-
-* fixed ``async for`` statements: *Black* no longer breaks them into separate
- lines (#372)
-
-* note: the Vim plugin stopped registering ``,=`` as a default chord as it turned out
- to be a bad idea (#415)
-
-
-### 18.6b4
-
-* hotfix: don't freeze when multiple comments directly precede `# fmt: off` (#371)
-
-
-### 18.6b3
-
-* typing stub files (`.pyi`) now have blank lines added after constants (#340)
-
-* `# fmt: off` and `# fmt: on` are now much more dependable:
-
- * they now work also within bracket pairs (#329)
-
- * they now correctly work across function/class boundaries (#335)
-
- * they now work when an indentation block starts with empty lines or misaligned
- comments (#334)
-
-* made Click not fail on invalid environments; note that Click is right but the
- likelihood we'll need to access non-ASCII file paths when dealing with Python source
- code is low (#277)
-
-* fixed improper formatting of f-strings with quotes inside interpolated
- expressions (#322)
-
-* fixed unnecessary slowdown when long list literals where found in a file
-
-* fixed unnecessary slowdown on AST nodes with very many siblings
-
-* fixed cannibalizing backslashes during string normalization
-
-* fixed a crash due to symbolic links pointing outside of the project directory (#338)
-
-
-### 18.6b2
-
-* added `--config` (#65)
-
-* added `-h` equivalent to `--help` (#316)
-
-* fixed improper unmodified file caching when `-S` was used
-
-* fixed extra space in string unpacking (#305)
-
-* fixed formatting of empty triple quoted strings (#313)
-
-* fixed unnecessary slowdown in comment placement calculation on lines without
- comments
-
-
-### 18.6b1
-
-* hotfix: don't output human-facing information on stdout (#299)
-
-* hotfix: don't output cake emoji on non-zero return code (#300)
-
-
-### 18.6b0
-
-* added `--include` and `--exclude` (#270)
-
-* added `--skip-string-normalization` (#118)
-
-* added `--verbose` (#283)
-
-* the header output in `--diff` now actually conforms to the unified diff spec
-
-* fixed long trivial assignments being wrapped in unnecessary parentheses (#273)
-
-* fixed unnecessary parentheses when a line contained multiline strings (#232)
-
-* fixed stdin handling not working correctly if an old version of Click was
- used (#276)
-
-* *Black* now preserves line endings when formatting a file in place (#258)
-
-
-### 18.5b1
-
-* added `--pyi` (#249)
-
-* added `--py36` (#249)
-
-* Python grammar pickle caches are stored with the formatting caches, making
- *Black* work in environments where site-packages is not user-writable (#192)
-
-* *Black* now enforces a PEP 257 empty line after a class-level docstring
- (and/or fields) and the first method
-
-* fixed invalid code produced when standalone comments were present in a trailer
- that was omitted from line splitting on a large expression (#237)
-
-* fixed optional parentheses being removed within `# fmt: off` sections (#224)
-
-* fixed invalid code produced when stars in very long imports were incorrectly
- wrapped in optional parentheses (#234)
-
-* fixed unstable formatting when inline comments were moved around in
- a trailer that was omitted from line splitting on a large expression
- (#238)
-
-* fixed extra empty line between a class declaration and the first
- method if no class docstring or fields are present (#219)
-
-* fixed extra empty line between a function signature and an inner
- function or inner class (#196)
-
-
-### 18.5b0
-
-* call chains are now formatted according to the
- [fluent interfaces](https://en.wikipedia.org/wiki/Fluent_interface)
- style (#67)
-
-* data structure literals (tuples, lists, dictionaries, and sets) are
- now also always exploded like imports when they don't fit in a single
- line (#152)
-
-* slices are now formatted according to PEP 8 (#178)
-
-* parentheses are now also managed automatically on the right-hand side
- of assignments and return statements (#140)
-
-* math operators now use their respective priorities for delimiting multiline
- expressions (#148)
-
-* optional parentheses are now omitted on expressions that start or end
- with a bracket and only contain a single operator (#177)
-
-* empty parentheses in a class definition are now removed (#145, #180)
-
-* string prefixes are now standardized to lowercase and `u` is removed
- on Python 3.6+ only code and Python 2.7+ code with the `unicode_literals`
- future import (#188, #198, #199)
-
-* typing stub files (`.pyi`) are now formatted in a style that is consistent
- with PEP 484 (#207, #210)
-
-* progress when reformatting many files is now reported incrementally
-
-* fixed trailers (content with brackets) being unnecessarily exploded
- into their own lines after a dedented closing bracket (#119)
-
-* fixed an invalid trailing comma sometimes left in imports (#185)
-
-* fixed non-deterministic formatting when multiple pairs of removable parentheses
- were used (#183)
-
-* fixed multiline strings being unnecessarily wrapped in optional
- parentheses in long assignments (#215)
-
-* fixed not splitting long from-imports with only a single name
-
-* fixed Python 3.6+ file discovery by also looking at function calls with
- unpacking. This fixed non-deterministic formatting if trailing commas
- where used both in function signatures with stars and function calls
- with stars but the former would be reformatted to a single line.
-
-* fixed crash on dealing with optional parentheses (#193)
-
-* fixed "is", "is not", "in", and "not in" not considered operators for
- splitting purposes
-
-* fixed crash when dead symlinks where encountered
-
-
-### 18.4a4
-
-* don't populate the cache on `--check` (#175)
-
-
-### 18.4a3
-
-* added a "cache"; files already reformatted that haven't changed on disk
- won't be reformatted again (#109)
-
-* `--check` and `--diff` are no longer mutually exclusive (#149)
-
-* generalized star expression handling, including double stars; this
- fixes multiplication making expressions "unsafe" for trailing commas (#132)
-
-* *Black* no longer enforces putting empty lines behind control flow statements
- (#90)
-
-* *Black* now splits imports like "Mode 3 + trailing comma" of isort (#127)
-
-* fixed comment indentation when a standalone comment closes a block (#16, #32)
-
-* fixed standalone comments receiving extra empty lines if immediately preceding
- a class, def, or decorator (#56, #154)
-
-* fixed `--diff` not showing entire path (#130)
-
-* fixed parsing of complex expressions after star and double stars in
- function calls (#2)
-
-* fixed invalid splitting on comma in lambda arguments (#133)
-
-* fixed missing splits of ternary expressions (#141)
-
-
-### 18.4a2
-
-* fixed parsing of unaligned standalone comments (#99, #112)
-
-* fixed placement of dictionary unpacking inside dictionary literals (#111)
-
-* Vim plugin now works on Windows, too
-
-* fixed unstable formatting when encountering unnecessarily escaped quotes
- in a string (#120)
-
-
-### 18.4a1
-
-* added `--quiet` (#78)
-
-* added automatic parentheses management (#4)
-
-* added [pre-commit](https://pre-commit.com) integration (#103, #104)
-
-* fixed reporting on `--check` with multiple files (#101, #102)
-
-* fixed removing backslash escapes from raw strings (#100, #105)
-
-
-### 18.4a0
-
-* added `--diff` (#87)
-
-* add line breaks before all delimiters, except in cases like commas, to
- better comply with PEP 8 (#73)
-
-* standardize string literals to use double quotes (almost) everywhere
- (#75)
-
-* fixed handling of standalone comments within nested bracketed
- expressions; *Black* will no longer produce super long lines or put all
- standalone comments at the end of the expression (#22)
-
-* fixed 18.3a4 regression: don't crash and burn on empty lines with
- trailing whitespace (#80)
-
-* fixed 18.3a4 regression: `# yapf: disable` usage as trailing comment
- would cause *Black* to not emit the rest of the file (#95)
-
-* when CTRL+C is pressed while formatting many files, *Black* no longer
- freaks out with a flurry of asyncio-related exceptions
-
-* only allow up to two empty lines on module level and only single empty
- lines within functions (#74)
-
-
-### 18.3a4
-
-* `# fmt: off` and `# fmt: on` are implemented (#5)
-
-* automatic detection of deprecated Python 2 forms of print statements
- and exec statements in the formatted file (#49)
-
-* use proper spaces for complex expressions in default values of typed
- function arguments (#60)
-
-* only return exit code 1 when --check is used (#50)
-
-* don't remove single trailing commas from square bracket indexing
- (#59)
-
-* don't omit whitespace if the previous factor leaf wasn't a math
- operator (#55)
-
-* omit extra space in kwarg unpacking if it's the first argument (#46)
-
-* omit extra space in [Sphinx auto-attribute comments](http://www.sphinx-doc.org/en/stable/ext/autodoc.html#directive-autoattribute)
- (#68)
-
-
-### 18.3a3
-
-* don't remove single empty lines outside of bracketed expressions
- (#19)
-
-* added ability to pipe formatting from stdin to stdin (#25)
-
-* restored ability to format code with legacy usage of `async` as
- a name (#20, #42)
-
-* even better handling of numpy-style array indexing (#33, again)
-
-
-### 18.3a2
-
-* changed positioning of binary operators to occur at beginning of lines
- instead of at the end, following [a recent change to PEP 8](https://github.com/python/peps/commit/c59c4376ad233a62ca4b3a6060c81368bd21e85b)
- (#21)
-
-* ignore empty bracket pairs while splitting. This avoids very weirdly
- looking formattings (#34, #35)
-
-* remove a trailing comma if there is a single argument to a call
-
-* if top level functions were separated by a comment, don't put four
- empty lines after the upper function
-
-* fixed unstable formatting of newlines with imports
-
-* fixed unintentional folding of post scriptum standalone comments
- into last statement if it was a simple statement (#18, #28)
-
-* fixed missing space in numpy-style array indexing (#33)
-
-* fixed spurious space after star-based unary expressions (#31)
-
-
-### 18.3a1
-
-* added `--check`
-
-* only put trailing commas in function signatures and calls if it's
- safe to do so. If the file is Python 3.6+ it's always safe, otherwise
- only safe if there are no `*args` or `**kwargs` used in the signature
- or call. (#8)
-
-* fixed invalid spacing of dots in relative imports (#6, #13)
-
-* fixed invalid splitting after comma on unpacked variables in for-loops
- (#23)
-
-* fixed spurious space in parenthesized set expressions (#7)
-
-* fixed spurious space after opening parentheses and in default
- arguments (#14, #17)
-
-* fixed spurious space after unary operators when the operand was
- a complex expression (#15)
-
-
-### 18.3a0
-
-* first published version, Happy 🍰 Day 2018!