diff --git a/HISTORY.txt b/HISTORY.txt
index 9a9967e7..7382a8e4 100644
--- a/HISTORY.txt
+++ b/HISTORY.txt
@@ -1,3 +1,24 @@
+11.10.4:
+ - Bugfix release (_mkstmp_inner backport breaks python3.4/3.5 compat)
+11.10.3:
+ - Bugfix release (break dependency on pathlib2).
+11.10.2:
+ - Backport NamedTemporaryFile for python 2.
+ - Implement atomic lockfile writing / rewriting.
+ - Allow non-interactive pyenv installations for CI.
+ - Bugfix regression which restricted pipfiles to two sources.
+ - Update default python 2.7 version to 2.7.15.
+ - Fix bug preventing usage within premade virtualenvs.
+ - Add PIPENV_MAX_RETRIES environment variable to allow retrying installs.
+ - Fix regression with `pipenv sync` which caused it to lock if out of sync.
+ - Update colorblind mode to respect progress bars.
+ - Use `\n` to generate new lockfiles and pipfiles, default to current newlines.
+ - Fix bug with environment variable expansion writing back to Pipfiles when
+   running `pipenv install <package>`
+ - Accurately parse extras from egg fragments.
+ - Allow `editable=False` in pipfile.
+ - Fix `keep-outdated` argument for installation (previously unenforced).
+ - Update vendoring scripts to include licenses for vendored pip.
 11.10.1:
  - Fix broken resolution when using multiple sources in pipfiles and passing
    `--skip-lock`.
diff --git a/pipenv/__version__.py b/pipenv/__version__.py
index 9714b0cd..ca48c4bd 100644
--- a/pipenv/__version__.py
+++ b/pipenv/__version__.py
@@ -2,4 +2,4 @@
 #   //   ) ) / / //   ) ) //___) ) //   ) ) ||  / /
 #  //___/ / / / //___/ / //       //   / /  || / /
 # //       / / //       ((____   //   / /   ||/ /
-__version__ = '11.10.2.dev1'
+__version__ = '11.10.4'
diff --git a/pipenv/_compat.py b/pipenv/_compat.py
index 6769d8d4..14326813 100644
--- a/pipenv/_compat.py
+++ b/pipenv/_compat.py
@@ -8,6 +8,7 @@ import functools
 import io
 import os
 import six
+import sys
 import warnings
 from tempfile import _bin_openflags, gettempdir, _mkstemp_inner, mkdtemp
 from .utils import (logging, rmtree)
@@ -257,7 +258,7 @@ def NamedTemporaryFile(
     # the file when it is closed.  This is only supported by Windows.
     if os.name == "nt" and delete:
         flags |= os.O_TEMPORARY
-    if six.PY2:
+    if sys.version_info < (3, 5):
         (fd, name) = _mkstemp_inner(dir, prefix, suffix, flags)
     else:
         (fd, name) = _mkstemp_inner(dir, prefix, suffix, flags, output_type)
diff --git a/pipenv/core.py b/pipenv/core.py
index 79357ce5..4d1b559d 100644
--- a/pipenv/core.py
+++ b/pipenv/core.py
@@ -2012,6 +2012,14 @@ def do_install(
                 err=True,
             )
             click.echo(crayons.blue(format_pip_error(c.err)), err=True)
+            if 'setup.py egg_info' in c.err:
+                click.echo(
+                    "This is likely caused by a bug in {0}. "
+                    "Report this to its maintainers.".format(
+                        crayons.green(package_name),
+                    ),
+                    err=True,
+                )
             requirements_directory.cleanup()
             sys.exit(1)
         click.echo(
diff --git a/pipenv/environments.py b/pipenv/environments.py
index f5d53a1a..3837363d 100644
--- a/pipenv/environments.py
+++ b/pipenv/environments.py
@@ -23,6 +23,9 @@ PIPENV_COLORBLIND = bool(os.environ.get('PIPENV_COLORBLIND'))
 PIPENV_NOSPIN = bool(os.environ.get('PIPENV_NOSPIN'))
 # Tells Pipenv how many rounds of resolving to do for Pip-Tools.
 PIPENV_MAX_ROUNDS = int(os.environ.get('PIPENV_MAX_ROUNDS', '16'))
+# Specify how many retries Pipenv should attempt for network requests.
+default_retries = '1' if 'CI' in os.environ else '0'
+PIPENV_MAX_RETRIES = int(os.environ.get('PIPENV_MAX_RETRIES', default_retries))
 # Specify a custom Pipfile location.
 PIPENV_PIPFILE = os.environ.get('PIPENV_PIPFILE')
 # Tells Pipenv which Python to default to, when none is provided.
diff --git a/pipenv/patched/pew/_utils.py b/pipenv/patched/pew/_utils.py
index c45c37e0..a45c227f 100644
--- a/pipenv/patched/pew/_utils.py
+++ b/pipenv/patched/pew/_utils.py
@@ -9,7 +9,7 @@ from functools import partial, wraps
 try:
     from pathlib import Path
 except ImportError:
-    from pathlib2 import Path
+    from pipenv.vendor.pathlib2 import Path
 from tempfile import NamedTemporaryFile as _ntf
 try:
     from shutil import which
diff --git a/pipenv/patched/pew/pew.py b/pipenv/patched/pew/pew.py
index 960a1263..2d3889a0 100644
--- a/pipenv/patched/pew/pew.py
+++ b/pipenv/patched/pew/pew.py
@@ -11,7 +11,7 @@ from subprocess import CalledProcessError
 try:
     from pathlib import Path
 except ImportError:
-    from pathlib2 import Path
+    from pipenv.vendor.pathlib2 import Path
 
 try:
     from shutil import get_terminal_size
diff --git a/pipenv/utils.py b/pipenv/utils.py
index bc1d54d0..973b1c83 100644
--- a/pipenv/utils.py
+++ b/pipenv/utils.py
@@ -45,7 +45,11 @@ except ImportError:
 from distutils.spawn import find_executable
 from contextlib import contextmanager
 from .pep508checker import lookup
-from .environments import PIPENV_MAX_ROUNDS, PIPENV_CACHE_DIR
+from .environments import (
+    PIPENV_MAX_ROUNDS,
+    PIPENV_CACHE_DIR,
+    PIPENV_MAX_RETRIES
+)
 
 try:
     from collections.abc import Mapping
@@ -72,6 +76,8 @@ def _get_requests_session():
         return requests_session
     import requests
     requests_session = requests.Session()
+    adapter = requests.adapters.HTTPAdapter(max_retries=PIPENV_MAX_RETRIES)
+    requests_session.mount('https://pypi.org/pypi', adapter)
     return requests_session
 
 
diff --git a/pipenv/vendor/pip9/__main__.py b/pipenv/vendor/pip9/__main__.py
index da041f92..9849a65c 100644
--- a/pipenv/vendor/pip9/__main__.py
+++ b/pipenv/vendor/pip9/__main__.py
@@ -16,4 +16,4 @@ if __package__ == '':
 import pip9  # noqa
 
 if __name__ == '__main__':
-    sys.exit(pip.main())
+    sys.exit(pip9.main())
diff --git a/setup.py b/setup.py
index 5954684e..8dc09a32 100644
--- a/setup.py
+++ b/setup.py
@@ -27,7 +27,6 @@ required = [
     'setuptools>=36.2.1',
     'virtualenv-clone>=0.2.5',
     'virtualenv',
-    'pathlib2==2.1.0;python_version<"3.4"',
     'requests[security];python_version<"2.7"',
     'ordereddict;python_version<"2.7"',
 ]
@@ -88,7 +87,7 @@ class UploadCommand(Command):
         except FileNotFoundError:
             pass
         self.status('Building Source distribution…')
-        os.system('{0} setup.py sdist'.format(sys.executable))
+        os.system('{0} setup.py sdist bdist_wheel'.format(sys.executable))
         self.status('Uploading the package to PyPi via Twine…')
         os.system('twine upload dist/*')
         self.status('Pushing git tags…')
@@ -114,6 +113,7 @@ setup(
         ]
     },
     package_data={
+        '': ['LICENSE', 'NOTICES'],
         "pipenv.vendor.requests": ["*.pem"],
         "pipenv.vendor.certifi": ["*.pem"],
         "pipenv.patched.notpip._vendor.certifi": ["*.pem"],
diff --git a/tasks/vendoring/patches/patched/pew.patch b/tasks/vendoring/patches/patched/pew.patch
index 27513fe3..e6e5f737 100644
--- a/tasks/vendoring/patches/patched/pew.patch
+++ b/tasks/vendoring/patches/patched/pew.patch
@@ -23,7 +23,7 @@ index d1d8e0a..c45c37e 100644
 +try:
 +    from pathlib import Path
 +except ImportError:
-+    from pathlib2 import Path
++    from pipenv.vendor.pathlib2 import Path
  from tempfile import NamedTemporaryFile as _ntf
  try:
      from shutil import which
@@ -39,7 +39,7 @@ index bcaabad..b8fc3e7 100644
 +try:
 +    from pathlib import Path
 +except ImportError:
-+    from pathlib2 import Path
++    from pipenv.vendor.pathlib2 import Path
  
  try:
      from shutil import get_terminal_size
diff --git a/tests/integration/conftest.py b/tests/integration/conftest.py
index 3a07d145..66ce8be7 100644
--- a/tests/integration/conftest.py
+++ b/tests/integration/conftest.py
@@ -10,6 +10,11 @@ from pipenv.vendor import requests
 from pipenv.vendor import six
 from pipenv.vendor import toml
 
+try:
+    from pathlib import Path
+except ImportError:
+    from pipenv.vendor.pathlib2 import Path
+
 
 if six.PY2:
     class ResourceWarning(Warning):
@@ -45,7 +50,7 @@ class _PipenvInstance(object):
         self.original_umask = os.umask(0o007)
         self.original_dir = os.path.abspath(os.curdir)
         self._path = TemporaryDirectory(suffix='-project', prefix='pipenv-')
-        self.path = self._path.name
+        self.path = str(Path(self._path.name).resolve())
         # set file creation perms
         self.pipfile_path = None
         self.chdir = chdir