Release 3.8.4

docs/source/release-notes/3.8.4.rst

@@ -0,0 +1,23 @@
+3.8.4 -- 2020-10-02
+-------------------
+
+You can view the `3.8.4 milestone`_ on GitLab for more details.
+
+Bugs Fixed
+~~~~~~~~~~
+
+- Fix multiprocessing errors on platforms without ``sem_open`` syscall.  (See
+  also `GitLab!448`_)
+
+- Fix skipping of physical checks on the last line of a file which does not
+  end in a newline (See also `GitLab!451`_)
+
+.. all links
+.. _3.8.4 milestone:
+    https://gitlab.com/pycqa/flake8/-/milestones/37
+
+.. merge request links
+.. _GitLab!448:
+    https://gitlab.com/pycqa/flake8/merge_requests/448
+.. _GitLab!451:
+    https://gitlab.com/pycqa/flake8/merge_requests/451

docs/source/release-notes/index.rst

@@ -9,6 +9,7 @@ with the newest releases first.
 ==================
 
 .. toctree::
+    3.8.4
     3.8.3
     3.8.2
     3.8.1

src/flake8/__init__.py

@@ -18,7 +18,7 @@ if False:  # `typing.TYPE_CHECKING` was introduced in 3.5.2
 LOG = logging.getLogger(__name__)
 LOG.addHandler(logging.NullHandler())
 
-__version__ = "3.8.3"
+__version__ = "3.8.4"
 __version_info__ = tuple(
     int(i) for i in __version__.split(".") if i.isdigit()
 )