3.8.0 – 2020-05-11

You can view the 3.8.0 milestone on GitLab for more details.

Bugs Fixed

Fix logical checks which report positions out of bounds (See also GitLab!422, GitLab#635)
Fix --exclude=.* accidentally matching . and .. (See also GitLab!424, GitLab#632)

You can view the 3.8.0 milestone on GitLab for more details.

You can view the 3.8.0 milestone on GitLab for more details.

Remove dependency on entrypoints and add dependency on importlib-metadata (only for python<3.8) (See also GitLab!388, GitLab#569)
Pyflakes has been updated to >= 2.2.0, < 2.3.0 (See also GitLab!417)
pycodestyle has been updated to >= 2.6.0a1, < 2.7.0 (See also GitLab!418)

Add --extend-exclude option to add to --exclude without overwriting (See also GitLab!315, GitLab#535)
Move argument parsing from optparse to argparse (See also GitLab!341
Group plugin options in --help (See also GitLab!342, GitLab#565)
Remove parsing of verbose from configuration files as it was not consistently applied (See also GitLab!360, GitLab#439)
Remove parsing of output_file from configuration files as it was not consistently applied (See also GitLab!361)
Resolve configuration files relative to cwd instead of common prefix of passed filenames. You may need to change flake8 subproject to cd subproject && flake8 . (See also GitLab!363)
Officially support python3.8 (See also GitLab!377)
--disable-noqa now also disables # flake8: noqa (See also GitLab!380, GitLab#590)
Ensure that a missing file produces a E902 error (See also GitLab!404, GitLab#600)
# noqa comments now apply to all of the lines in an explicit \ continuation or in a line continued by a multi-line string (See also GitLab!413, GitLab#375)

Fix --exclude=./t.py to only match t.py at the top level (See also GitLab!311, GitLab#382)
Fix --show-source when a file is indented with tabs (See also GitLab!339, GitLab#563)
Fix crash when --max-line-length is given a non-integer (See also GitLab!341, GitLab#541)
Prevent flip-flopping of indent_char causing extra E101 errors (See also GitLab!357, pycodestyle#886)
Only enable multiprocessing when the method is fork fixing issues on macos with python3.8+ (See also GitLab!366, GitLab#587) (note: this fix also landed in 3.7.9)
noqa is now only handled by flake8 fixing specific-noqa. Plugins requesting this parameter will always receive False (See also GitLab!331, GitLab#552)
Fix duplicate loading of plugins when invoked via python -m flake8 (See also GitLab!388)
Fix early exit when --exit-zero and --diff are provided and the diff is empty (See also GitLab!391)
Consistently split lines when \f is present when reading from stdin (See also GitLab!406, GitLab#270)

python setup.py flake8 (setuptools integration) is now deprecated and will be removed in a future version (See also GitLab!330, GitLab#544)
type='string' (optparse) types are deprecated, use type=callable (argparse) instead. Support for type='string' will be removed in a future version (See also GitLab!341)
%default in plugin option help text is deprecated, use %(default)s instead. Support for %default will be removed in a future version (See also GitLab!341)
optparse-style action='callback' setting for options is deprecated, use argparse action classes instead. This will be removed in a future version (See also GitLab!341)