Such fonts on Linux prevented the configuration dialog from opening.

api-level >= 23. Patch by Xavier de Gaye.

The Windows launcher ``py.exe`` no longer prefers an installed
Python 2 version over Python 3 by default when used interactively.

Patch by Ville Skyttä.

Patch by Ville Skyttä.

Patch by A. Jesse Jiryu Davis.

format unit.

format unit.

* in multiprocessing mode: always display the result
* sequential mode: only display the result if the test did not pass

* regrtest now uses subprocesses when the -j1 command line option
  is used: each test file runs in a fresh child process. Before, the -j1 option
  was ignored.
* Tools/buildbot/test.bat script now uses -j1 by default to run
  each test file in fresh child process.

Issue #26741: asyncio: BaseSubprocessTransport._process_exited() now copies the
return code from the child watched to the returncode attribute of the Popen
object. On Python 3.6, it is required to avoid a ResourceWarning.

Issue #26741: subprocess.Popen destructor now emits a ResourceWarning warning
if the child process is still running.

sets the returncode attribute using the child process exit status when exec
failed.

Issue #26741.

Issue #27056: Optimize pickle.load() and pickle.loads(), up to 10% faster to
deserialize a lot of small objects.

* Replace PyUnicode_RPartition() with PyUnicode_FindChar() and
  PyUnicode_Substring() to avoid the creation of a temporary tuple.
* Use PyUnicode_FromFormat() to build a string and avoid the single_dot ('.')
  singleton

Thanks Serhiy Storchaka for your review.

These added a path attribute to pathlib.Path objects, and docs.
Instead, we're going to use PEP 519.

(Starting in the 3.4 branch and merging forward from there since that's what I did originally.)