diff --git a/Doc/whatsnew/3.8.rst b/Doc/whatsnew/3.8.rst
@@ -275,6 +275,15 @@ xml
Optimizations
=============

* :func:`shutil.copyfile`, :func:`shutil.copy`, :func:`shutil.copy2`,
  :func:`shutil.copytree` and :func:`shutil.move` use platform-specific
  "fast-copy" syscalls on Linux, macOS and Solaris in order to copy the file

diff --git a/Lib/subprocess.py b/Lib/subprocess.py
@@ -606,6 +606,57 @@ def getoutput(cmd):
    return getstatusoutput(cmd)[1]


class Popen(object):
    """ Execute a child program in a new process.

@@ -1390,6 +1441,23 @@ def _get_handles(self, stdin, stdout, stderr):
                    errread, errwrite)


        def _execute_child(self, args, executable, preexec_fn, close_fds,
                           pass_fds, cwd, env,
                           startupinfo, creationflags, shell,
@@ -1414,6 +1482,20 @@ def _execute_child(self, args, executable, preexec_fn, close_fds,

            if executable is None:
                executable = args[0]
            orig_executable = executable

            # For transferring possible exec failure from child to parent.

diff --git a/Lib/test/pythoninfo.py b/Lib/test/pythoninfo.py
@@ -610,6 +610,11 @@ def collect_get_config(info_add):
            info_add('%s[%s]' % (prefix, key), repr(config[key]))


def collect_info(info):
    error = False
    info_add = info.add
@@ -639,6 +644,7 @@ def collect_info(info):
        collect_cc,
        collect_gdbm,
        collect_get_config,

        # Collecting from tests should be last as they have side effects.
        collect_test_socket,

diff --git a/Misc/NEWS.d/next/Library/2018-12-20-16-24-51.bpo-35537.z4E7aA.rst b/Misc/NEWS.d/next/Library/2018-12-20-16-24-51.bpo-35537.z4E7aA.rst
@@ -0,0 +1,2 @@