dropped connections in case of simultaneous connection requests.

dropped connections in case of simultaneous connection requests.

Patch by sbt.

Issue12798 - Update mimetypes documentation. Correct the doc section where
common_types was mentioned under MimeTypes class, move it to helper function
category and other documentation improvements contributed by Sandro Tosi.

common_types was mentioned under MimeTypes class, move it to helper function
category and other documentation improvements contributed by Sandro Tosi.

SSLContext.load_dh_params() method and the ssl.OP_SINGLE_DH_USE option.

Metaclasses with metaclasses with a __dict__ descriptor can no longer trigger code execution with inspect.getattr_static.
Closes issue 11829.