diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3968846d836..97b77575b16 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,24 @@
 # Change Log
 
+## [1.1.0b3] - 2020-09-18
+
+### Changed
+
+- Improved the error reporting when HTTP error are encountered for legacy repositories ([#2459](https://github.com/python-poetry/poetry/pull/2459)).
+- When displaying the name of packages retrieved from remote repositories, the original name will now be used ([#2305](https://github.com/python-poetry/poetry/pull/2305)).
+- Failed package downloads will now be retried on connection errors ([#2813](https://github.com/python-poetry/poetry/pull/2813)).
+
+### Fixed
+
+- Fixed the detection of the type of installed packages ([#2722](https://github.com/python-poetry/poetry/pull/2722)).
+- Fixed deadlocks when installing packages on systems not supporting non-ascii characters ([#2721](https://github.com/python-poetry/poetry/pull/2721)).
+- Fixed handling of wildcard constraints for packages with prereleases only ([#2821](https://github.com/python-poetry/poetry/pull/2821)).
+- Fixed dependencies of some packages not being discovered by ensuring we use the PEP-516 backend if specified  ([#2810](https://github.com/python-poetry/poetry/pull/2810)).
+- Fixed recursion errors when retrieving extras ([#2787](https://github.com/python-poetry/poetry/pull/2787)).
+- Fixed `PyPI` always being displayed when publishing even for custom repositories ([#2905](https://github.com/python-poetry/poetry/pull/2905)).
+- Fixed handling of packages extras when resolving dependencies ([#2887](https://github.com/python-poetry/poetry/pull/2887)).
+
+
 ## [1.1.0b2] - 2020-07-24
 
 ### Changed
@@ -961,7 +980,8 @@ Initial release
 
 
 
-[Unreleased]: https://github.com/python-poetry/poetry/compare/1.1.0b2...master
+[Unreleased]: https://github.com/python-poetry/poetry/compare/1.1.0b3...master
+[1.1.0b3]: https://github.com/python-poetry/poetry/releases/tag/1.1.0b3
 [1.1.0b2]: https://github.com/python-poetry/poetry/releases/tag/1.1.0b2
 [1.1.0b1]: https://github.com/python-poetry/poetry/releases/tag/1.1.0b1
 [1.1.0a3]: https://github.com/python-poetry/poetry/releases/tag/1.1.0a3
diff --git a/poetry.lock b/poetry.lock
index 45351aecdab..78a937dd29c 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -16,17 +16,17 @@ python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 
 [[package]]
 name = "attrs"
-version = "19.3.0"
+version = "20.2.0"
 description = "Classes Without Boilerplate"
 category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 
 [package.extras]
-azure-pipelines = ["coverage", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface", "pytest-azurepipelines"]
-dev = ["coverage", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface", "sphinx", "pre-commit"]
-docs = ["sphinx", "zope.interface"]
-tests = ["coverage", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface"]
+dev = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface", "sphinx", "sphinx-rtd-theme", "pre-commit"]
+docs = ["sphinx", "sphinx-rtd-theme", "zope.interface"]
+tests = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "zope.interface"]
+tests_no_zope = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six"]
 
 [[package]]
 name = "backports.functools-lru-cache"
@@ -48,14 +48,14 @@ category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 
-[package.extras]
-filecache = ["lockfile (>=0.9)"]
-redis = ["redis (>=2.10.5)"]
-
 [package.dependencies]
+lockfile = {version = ">=0.9", optional = true, markers = "extra == \"filecache\""}
 msgpack = ">=0.5.2"
 requests = "*"
-lockfile = {version = ">=0.9", optional = true, markers = "extra == \"filecache\""}
+
+[package.extras]
+filecache = ["lockfile (>=0.9)"]
+redis = ["redis (>=2.10.5)"]
 
 [[package]]
 name = "cachy"
@@ -80,7 +80,7 @@ python-versions = "*"
 
 [[package]]
 name = "cffi"
-version = "1.14.2"
+version = "1.14.3"
 description = "Foreign Function Interface for Python calling C code."
 category = "main"
 optional = false
@@ -125,10 +125,10 @@ optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 
 [package.dependencies]
-pastel = ">=0.2.0,<0.3.0"
-pylev = ">=1.3,<2.0"
 crashtest = {version = ">=0.3.0,<0.4.0", markers = "python_version >= \"3.6\" and python_version < \"4.0\""}
 enum34 = {version = ">=1.1,<2.0", markers = "python_version >= \"2.7\" and python_version < \"2.8\""}
+pastel = ">=0.2.0,<0.3.0"
+pylev = ">=1.3,<2.0"
 typing = {version = ">=3.6,<4.0", markers = "python_version >= \"2.7\" and python_version < \"2.8\" or python_version >= \"3.4\" and python_version < \"3.5\""}
 typing-extensions = {version = ">=3.6,<4.0", markers = "python_version >= \"3.5\" and python_full_version < \"3.5.4\""}
 
@@ -162,7 +162,7 @@ python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 
 [[package]]
 name = "coverage"
-version = "5.2.1"
+version = "5.3"
 description = "Code coverage measurement for Python"
 category = "dev"
 optional = false
@@ -181,26 +181,25 @@ python-versions = ">=3.6,<4.0"
 
 [[package]]
 name = "cryptography"
-version = "3.0"
+version = "3.1"
 description = "cryptography is a package which provides cryptographic recipes and primitives to Python developers."
 category = "main"
 optional = false
 python-versions = ">=2.7,!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*"
 
+[package.dependencies]
+cffi = ">=1.8,<1.11.3 || >1.11.3"
+enum34 = {version = "*", markers = "python_version < \"3\""}
+ipaddress = {version = "*", markers = "python_version < \"3\""}
+six = ">=1.4.1"
+
 [package.extras]
 docs = ["sphinx (>=1.6.5,<1.8.0 || >1.8.0,<3.1.0 || >3.1.0,<3.1.1 || >3.1.1)", "sphinx-rtd-theme"]
 docstest = ["doc8", "pyenchant (>=1.6.11)", "twine (>=1.12.0)", "sphinxcontrib-spelling (>=4.0.1)"]
-idna = ["idna (>=2.1)"]
 pep8test = ["black", "flake8", "flake8-import-order", "pep8-naming"]
 ssh = ["bcrypt (>=3.1.5)"]
 test = ["pytest (>=3.6.0,<3.9.0 || >3.9.0,<3.9.1 || >3.9.1,<3.9.2 || >3.9.2)", "pretend", "iso8601", "pytz", "hypothesis (>=1.11.4,<3.79.2 || >3.79.2)"]
 
-[package.dependencies]
-cffi = ">=1.8,<1.11.3 || >1.11.3"
-six = ">=1.4.1"
-enum34 = {version = "*", markers = "python_version < \"3\""}
-ipaddress = {version = "*", markers = "python_version < \"3\""}
-
 [[package]]
 name = "distlib"
 version = "0.3.1"
@@ -276,16 +275,16 @@ category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
 
+[package.dependencies]
+six = ">=1.9"
+webencodings = "*"
+
 [package.extras]
 all = ["genshi", "chardet (>=2.2)", "lxml"]
 chardet = ["chardet (>=2.2)"]
 genshi = ["genshi"]
 lxml = ["lxml"]
 
-[package.dependencies]
-six = ">=1.9"
-webencodings = "*"
-
 [[package]]
 name = "httpretty"
 version = "0.9.7"
@@ -299,7 +298,7 @@ six = "*"
 
 [[package]]
 name = "identify"
-version = "1.4.26"
+version = "1.5.3"
 description = "File identification library for Python"
 category = "dev"
 optional = false
@@ -324,15 +323,15 @@ category = "main"
 optional = false
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,>=2.7"
 
-[package.extras]
-docs = ["sphinx", "rst.linker"]
-testing = ["packaging", "pep517", "importlib-resources (>=1.3)"]
-
 [package.dependencies]
-zipp = ">=0.5"
 configparser = {version = ">=3.5", markers = "python_version < \"3\""}
 contextlib2 = {version = "*", markers = "python_version < \"3\""}
 pathlib2 = {version = "*", markers = "python_version < \"3\""}
+zipp = ">=0.5"
+
+[package.extras]
+docs = ["sphinx", "rst.linker"]
+testing = ["packaging", "pep517", "importlib-resources (>=1.3)"]
 
 [[package]]
 name = "importlib-resources"
@@ -342,9 +341,6 @@ category = "main"
 optional = false
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,>=2.7"
 
-[package.extras]
-docs = ["sphinx", "rst.linker", "jaraco.packaging"]
-
 [package.dependencies]
 contextlib2 = {version = "*", markers = "python_version < \"3\""}
 pathlib2 = {version = "*", markers = "python_version < \"3\""}
@@ -352,6 +348,9 @@ singledispatch = {version = "*", markers = "python_version < \"3.4\""}
 typing = {version = "*", markers = "python_version < \"3.5\""}
 zipp = {version = ">=0.4", markers = "python_version < \"3.8\""}
 
+[package.extras]
+docs = ["sphinx", "rst.linker", "jaraco.packaging"]
+
 [[package]]
 name = "ipaddress"
 version = "1.0.23"
@@ -379,15 +378,15 @@ category = "main"
 optional = false
 python-versions = ">=2.7"
 
-[package.extras]
-docs = ["sphinx", "jaraco.packaging (>=3.2)", "rst.linker (>=1.9)"]
-testing = ["pytest (>=3.5,<3.7.3 || >3.7.3)", "pytest-checkdocs", "pytest-flake8"]
-
 [package.dependencies]
 entrypoints = "*"
 pywin32-ctypes = {version = "<0.1.0 || >0.1.0,<0.1.1 || >0.1.1", markers = "sys_platform == \"win32\""}
 secretstorage = {version = "<3", markers = "(sys_platform == \"linux2\" or sys_platform == \"linux\") and python_version < \"3.5\""}
 
+[package.extras]
+docs = ["sphinx", "jaraco.packaging (>=3.2)", "rst.linker (>=1.9)"]
+testing = ["pytest (>=3.5,<3.7.3 || >3.7.3)", "pytest-checkdocs", "pytest-flake8"]
+
 [[package]]
 name = "keyring"
 version = "20.0.1"
@@ -396,33 +395,33 @@ category = "main"
 optional = false
 python-versions = ">=3.5"
 
-[package.extras]
-docs = ["sphinx", "jaraco.packaging (>=3.2)", "rst.linker (>=1.9)"]
-testing = ["pytest (>=3.5,<3.7.3 || >3.7.3)", "pytest-checkdocs (>=1.2.3)", "pytest-flake8", "pytest-black-multipy", "pytest-cov"]
-
 [package.dependencies]
 importlib-metadata = {version = "*", markers = "python_version < \"3.8\""}
 pywin32-ctypes = {version = "<0.1.0 || >0.1.0,<0.1.1 || >0.1.1", markers = "sys_platform == \"win32\""}
 secretstorage = {version = "*", markers = "sys_platform == \"linux\""}
 
+[package.extras]
+docs = ["sphinx", "jaraco.packaging (>=3.2)", "rst.linker (>=1.9)"]
+testing = ["pytest (>=3.5,<3.7.3 || >3.7.3)", "pytest-checkdocs (>=1.2.3)", "pytest-flake8", "pytest-black-multipy", "pytest-cov"]
+
 [[package]]
 name = "keyring"
-version = "21.3.0"
+version = "21.4.0"
 description = "Store and access your passwords safely."
 category = "main"
 optional = false
 python-versions = ">=3.6"
 
-[package.extras]
-docs = ["sphinx", "jaraco.packaging (>=3.2)", "rst.linker (>=1.9)"]
-testing = ["pytest (>=3.5,<3.7.3 || >3.7.3)", "pytest-checkdocs (>=1.2.3)", "pytest-flake8", "pytest-black (>=0.3.7)", "pytest-cov", "pytest-mypy"]
-
 [package.dependencies]
 importlib-metadata = {version = "*", markers = "python_version < \"3.8\""}
 jeepney = {version = ">=0.4.2", markers = "sys_platform == \"linux\""}
 pywin32-ctypes = {version = "<0.1.0 || >0.1.0,<0.1.1 || >0.1.1", markers = "sys_platform == \"win32\""}
 SecretStorage = {version = ">=3", markers = "sys_platform == \"linux\""}
 
+[package.extras]
+docs = ["sphinx", "jaraco.packaging (>=3.2)", "rst.linker (>=1.9)"]
+testing = ["pytest (>=3.5,<3.7.3 || >3.7.3)", "pytest-checkdocs (>=1.2.3)", "pytest-flake8", "pytest-black (>=0.3.7)", "pytest-cov", "pytest-mypy"]
+
 [[package]]
 name = "lockfile"
 version = "0.12.2"
@@ -439,15 +438,15 @@ category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 
+[package.dependencies]
+funcsigs = {version = ">=1", markers = "python_version < \"3.3\""}
+six = "*"
+
 [package.extras]
 build = ["twine", "wheel", "blurb"]
 docs = ["sphinx"]
 test = ["pytest", "pytest-cov"]
 
-[package.dependencies]
-six = "*"
-funcsigs = {version = ">=1", markers = "python_version < \"3.3\""}
-
 [[package]]
 name = "more-itertools"
 version = "5.0.0"
@@ -485,7 +484,7 @@ python-versions = "*"
 
 [[package]]
 name = "nodeenv"
-version = "1.4.0"
+version = "1.5.0"
 description = "Node.js virtual environment builder"
 category = "dev"
 optional = false
@@ -505,7 +504,7 @@ six = "*"
 
 [[package]]
 name = "pastel"
-version = "0.2.0"
+version = "0.2.1"
 description = "Bring colors to your terminal."
 category = "main"
 optional = false
@@ -520,8 +519,8 @@ optional = false
 python-versions = "*"
 
 [package.dependencies]
-six = "*"
 scandir = {version = "*", markers = "python_version < \"3.5\""}
+six = "*"
 
 [[package]]
 name = "pexpect"
@@ -553,12 +552,12 @@ category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 
-[package.extras]
-dev = ["pre-commit", "tox"]
-
 [package.dependencies]
 importlib-metadata = {version = ">=0.12", markers = "python_version < \"3.8\""}
 
+[package.extras]
+dev = ["pre-commit", "tox"]
+
 [[package]]
 name = "poetry-core"
 version = "1.0.0b1"
@@ -576,7 +575,7 @@ typing = {version = ">=3.7.4.1,<4.0.0.0", markers = "python_version >= \"2.7\" a
 
 [[package]]
 name = "pre-commit"
-version = "2.6.0"
+version = "2.7.1"
 description = "A framework for managing and maintaining multi-language pre-commit hooks."
 category = "dev"
 optional = false
@@ -585,12 +584,12 @@ python-versions = ">=3.6.1"
 [package.dependencies]
 cfgv = ">=2.0.0"
 identify = ">=1.0.0"
+importlib-metadata = {version = "*", markers = "python_version < \"3.8\""}
+importlib-resources = {version = "*", markers = "python_version < \"3.7\""}
 nodeenv = ">=0.11.1"
 pyyaml = ">=5.1"
 toml = "*"
 virtualenv = ">=20.0.8"
-importlib-metadata = {version = "*", markers = "python_version < \"3.8\""}
-importlib-resources = {version = "*", markers = "python_version < \"3.7\""}
 
 [[package]]
 name = "ptyprocess"
@@ -640,29 +639,25 @@ category = "dev"
 optional = false
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,>=2.7"
 
-[package.extras]
-testing = ["argcomplete", "hypothesis (>=3.56)", "nose", "requests", "mock"]
-
 [package.dependencies]
 atomicwrites = ">=1.0"
 attrs = ">=17.4.0"
+colorama = {version = "*", markers = "sys_platform == \"win32\" and python_version != \"3.4\""}
+funcsigs = {version = ">=1.0", markers = "python_version < \"3.0\""}
+importlib-metadata = {version = ">=0.12", markers = "python_version < \"3.8\""}
+more-itertools = [
+    {version = ">=4.0.0,<6.0.0", markers = "python_version <= \"2.7\""},
+    {version = ">=4.0.0", markers = "python_version > \"2.7\""},
+]
 packaging = "*"
+pathlib2 = {version = ">=2.2.0", markers = "python_version < \"3.6\""}
 pluggy = ">=0.12,<1.0"
 py = ">=1.5.0"
 six = ">=1.10.0"
 wcwidth = "*"
-colorama = {version = "*", markers = "sys_platform == \"win32\" and python_version != \"3.4\""}
-funcsigs = {version = ">=1.0", markers = "python_version < \"3.0\""}
-importlib-metadata = {version = ">=0.12", markers = "python_version < \"3.8\""}
-pathlib2 = {version = ">=2.2.0", markers = "python_version < \"3.6\""}
-
-[[package.dependencies.more-itertools]]
-version = ">=4.0.0,<6.0.0"
-markers = "python_version <= \"2.7\""
 
-[[package.dependencies.more-itertools]]
-version = ">=4.0.0"
-markers = "python_version > \"2.7\""
+[package.extras]
+testing = ["argcomplete", "hypothesis (>=3.56)", "nose", "requests", "mock"]
 
 [[package]]
 name = "pytest"
@@ -672,21 +667,21 @@ category = "dev"
 optional = false
 python-versions = ">=3.5"
 
-[package.extras]
-checkqa-mypy = ["mypy (v0.761)"]
-testing = ["argcomplete", "hypothesis (>=3.56)", "mock", "nose", "requests", "xmlschema"]
-
 [package.dependencies]
+atomicwrites = {version = ">=1.0", markers = "sys_platform == \"win32\""}
 attrs = ">=17.4.0"
+colorama = {version = "*", markers = "sys_platform == \"win32\""}
+importlib-metadata = {version = ">=0.12", markers = "python_version < \"3.8\""}
 more-itertools = ">=4.0.0"
 packaging = "*"
+pathlib2 = {version = ">=2.2.0", markers = "python_version < \"3.6\""}
 pluggy = ">=0.12,<1.0"
 py = ">=1.5.0"
 wcwidth = "*"
-atomicwrites = {version = ">=1.0", markers = "sys_platform == \"win32\""}
-colorama = {version = "*", markers = "sys_platform == \"win32\""}
-importlib-metadata = {version = ">=0.12", markers = "python_version < \"3.8\""}
-pathlib2 = {version = ">=2.2.0", markers = "python_version < \"3.6\""}
+
+[package.extras]
+checkqa-mypy = ["mypy (v0.761)"]
+testing = ["argcomplete", "hypothesis (>=3.56)", "mock", "nose", "requests", "xmlschema"]
 
 [[package]]
 name = "pytest-cov"
@@ -696,13 +691,13 @@ category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
 
-[package.extras]
-testing = ["fields", "hunter", "process-tests (2.0.2)", "six", "pytest-xdist", "virtualenv"]
-
 [package.dependencies]
 coverage = ">=4.4"
 pytest = ">=4.6"
 
+[package.extras]
+testing = ["fields", "hunter", "process-tests (2.0.2)", "six", "pytest-xdist", "virtualenv"]
+
 [[package]]
 name = "pytest-mock"
 version = "1.13.0"
@@ -711,12 +706,12 @@ category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 
-[package.extras]
-dev = ["pre-commit", "tox"]
-
 [package.dependencies]
-pytest = ">=2.7"
 mock = {version = "*", markers = "python_version < \"3.0\""}
+pytest = ">=2.7"
+
+[package.extras]
+dev = ["pre-commit", "tox"]
 
 [[package]]
 name = "pytest-sugar"
@@ -755,16 +750,16 @@ category = "main"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
 
-[package.extras]
-security = ["pyOpenSSL (>=0.14)", "cryptography (>=1.3.4)"]
-socks = ["PySocks (>=1.5.6,<1.5.7 || >1.5.7)", "win-inet-pton"]
-
 [package.dependencies]
 certifi = ">=2017.4.17"
 chardet = ">=3.0.2,<4"
 idna = ">=2.5,<3"
 urllib3 = ">=1.21.1,<1.25.0 || >1.25.0,<1.25.1 || >1.25.1,<1.26"
 
+[package.extras]
+security = ["pyOpenSSL (>=0.14)", "cryptography (>=1.3.4)"]
+socks = ["PySocks (>=1.5.6,<1.5.7 || >1.5.7)", "win-inet-pton"]
+
 [[package]]
 name = "requests-toolbelt"
 version = "0.8.0"
@@ -792,12 +787,12 @@ category = "main"
 optional = false
 python-versions = "*"
 
-[package.extras]
-dbus-python = ["dbus-python"]
-
 [package.dependencies]
 cryptography = "*"
 
+[package.extras]
+dbus-python = ["dbus-python"]
+
 [[package]]
 name = "secretstorage"
 version = "3.1.2"
@@ -876,26 +871,26 @@ typing = {version = ">=3.6,<4.0", markers = "python_version >= \"2.7\" and pytho
 
 [[package]]
 name = "tox"
-version = "3.19.0"
+version = "3.20.0"
 description = "tox is a generic virtualenv management and test command line tool"
 category = "dev"
 optional = false
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,>=2.7"
 
-[package.extras]
-docs = ["pygments-github-lexers (>=0.0.5)", "sphinx (>=2.0.0)", "sphinxcontrib-autoprogram (>=0.1.5)", "towncrier (>=18.5.0)"]
-testing = ["flaky (>=3.4.0)", "freezegun (>=0.3.11)", "pathlib2 (>=2.3.3)", "psutil (>=5.6.1)", "pytest (>=4.0.0)", "pytest-cov (>=2.5.1)", "pytest-mock (>=1.10.0)", "pytest-randomly (>=1.0.0)", "pytest-xdist (>=1.22.2)"]
-
 [package.dependencies]
+colorama = {version = ">=0.4.1", markers = "platform_system == \"Windows\""}
 filelock = ">=3.0.0"
+importlib-metadata = {version = ">=0.12,<2", markers = "python_version < \"3.8\""}
 packaging = ">=14"
 pluggy = ">=0.12.0"
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 toml = ">=0.9.4"
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-colorama = {version = ">=0.4.1", markers = "platform_system == \"Windows\""}
-importlib-metadata = {version = ">=0.12,<2", markers = "python_version < \"3.8\""}
+
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 [[package]]
 name = "typing"
@@ -907,7 +902,7 @@ python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
 
 [[package]]
 name = "typing-extensions"
-version = "3.7.4.2"
+version = "3.7.4.3"
 description = "Backported and Experimental Type Hints for Python 3.5+"
 category = "main"
 optional = false
@@ -928,24 +923,24 @@ socks = ["PySocks (>=1.5.6,<1.5.7 || >1.5.7,<2.0)"]
 
 [[package]]
 name = "virtualenv"
-version = "20.0.30"
+version = "20.0.31"
 description = "Virtual Python Environment builder"
 category = "main"
 optional = false
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,>=2.7"
 
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+
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 [[package]]
 name = "wcwidth"
@@ -974,13 +969,13 @@ category = "main"
 optional = false
 python-versions = ">=2.7"
 
+[package.dependencies]
+contextlib2 = {version = "*", markers = "python_version < \"3.4\""}
+
 [package.extras]
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 testing = ["pathlib2", "unittest2", "jaraco.itertools", "func-timeout"]
 
-[package.dependencies]
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-
 [metadata]
 lock-version = "1.1"
 python-versions = "~2.7 || ^3.5"
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@@ -1174,8 +1180,8 @@ httpretty = [
     {file = "httpretty-0.9.7.tar.gz", hash = "sha256:66216f26b9d2c52e81808f3e674a6fb65d4bf719721394a1a9be926177e55fbe"},
 ]
 identify = [
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-    {file = "identify-1.4.26.tar.gz", hash = "sha256:1e9d119ad2aea3af2dec09cf8d4b89af11aa9069ea48240338b53f9dbeedc015"},
+    {file = "identify-1.5.3-py2.py3-none-any.whl", hash = "sha256:d02d004568c5a01261839a05e91705e3e9f5c57a3551648f9b3fb2b9c62c0f62"},
+    {file = "identify-1.5.3.tar.gz", hash = "sha256:c770074ae1f19e08aadbda1c886bc6d0cb55ffdc503a8c0fe8699af2fc9664ae"},
 ]
 idna = [
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@@ -1202,8 +1208,8 @@ keyring = [
     {file = "keyring-18.0.1.tar.gz", hash = "sha256:67d6cc0132bd77922725fae9f18366bb314fd8f95ff4d323a4df41890a96a838"},
     {file = "keyring-20.0.1-py2.py3-none-any.whl", hash = "sha256:c674f032424b4bffc62abeac5523ec49cc84aed07a480c3233e0baf618efc15c"},
     {file = "keyring-20.0.1.tar.gz", hash = "sha256:963bfa7f090269d30bdc5e25589e5fd9dad2cf2a7c6f176a7f2386910e5d0d8d"},
-    {file = "keyring-21.3.0-py3-none-any.whl", hash = "sha256:e7a17caf40c40b6bb8c4772224a487e4a63013560ed0c521065aeba7ecd42182"},
-    {file = "keyring-21.3.0.tar.gz", hash = "sha256:22df6abfed49912fc560806030051067fba9f0069cffa79da72899aeea4ccbd5"},
+    {file = "keyring-21.4.0-py3-none-any.whl", hash = "sha256:4e34ea2fdec90c1c43d6610b5a5fafa1b9097db1802948e90caf5763974b8f8d"},
+    {file = "keyring-21.4.0.tar.gz", hash = "sha256:9aeadd006a852b78f4b4ef7c7556c2774d2432bbef8ee538a3e9089ac8b11466"},
 ]
 lockfile = [
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@@ -1243,15 +1249,16 @@ msgpack = [
     {file = "msgpack-1.0.0.tar.gz", hash = "sha256:9534d5cc480d4aff720233411a1f765be90885750b07df772380b34c10ecb5c0"},
 ]
 nodeenv = [
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+    {file = "nodeenv-1.5.0-py2.py3-none-any.whl", hash = "sha256:5304d424c529c997bc888453aeaa6362d242b6b4631e90f3d4bf1b290f1c84a9"},
+    {file = "nodeenv-1.5.0.tar.gz", hash = "sha256:ab45090ae383b716c4ef89e690c41ff8c2b257b85b309f01f3654df3d084bd7c"},
 ]
 packaging = [
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     {file = "packaging-20.4.tar.gz", hash = "sha256:4357f74f47b9c12db93624a82154e9b120fa8293699949152b22065d556079f8"},
 ]
 pastel = [
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-    {file = "pastel-0.2.0.tar.gz", hash = "sha256:46155fc523bdd4efcd450bbcb3f2b94a6e3b25edc0eb493e081104ad09e1ca36"},
+    {file = "pastel-0.2.1-py2.py3-none-any.whl", hash = "sha256:4349225fcdf6c2bb34d483e523475de5bb04a5c10ef711263452cb37d7dd4364"},
+    {file = "pastel-0.2.1.tar.gz", hash = "sha256:e6581ac04e973cac858828c6202c1e1e81fee1dc7de7683f3e1ffe0bfd8a573d"},
 ]
 pathlib2 = [
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@@ -1274,8 +1281,8 @@ poetry-core = [
     {file = "poetry_core-1.0.0b1-py2.py3-none-any.whl", hash = "sha256:92d2a33c27c733e746425c6506fdf583909e3ce5de4591deb23a4efb13f1a72c"},
 ]
 pre-commit = [
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-    {file = "pre_commit-2.6.0.tar.gz", hash = "sha256:1657663fdd63a321a4a739915d7d03baedd555b25054449090f97bb0cb30a915"},
+    {file = "pre_commit-2.7.1-py2.py3-none-any.whl", hash = "sha256:810aef2a2ba4f31eed1941fc270e72696a1ad5590b9751839c90807d0fff6b9a"},
+    {file = "pre_commit-2.7.1.tar.gz", hash = "sha256:c54fd3e574565fe128ecc5e7d2f91279772ddb03f8729645fa812fe809084a70"},
 ]
 ptyprocess = [
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@@ -1371,7 +1378,6 @@ six = [
 ]
 subprocess32 = [
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-    {file = "subprocess32-3.5.4-cp27-cp27mu-manylinux2014_x86_64.whl", hash = "sha256:e45d985aef903c5b7444d34350b05da91a9e0ea015415ab45a21212786c649d0"},
     {file = "subprocess32-3.5.4.tar.gz", hash = "sha256:eb2937c80497978d181efa1b839ec2d9622cf9600a039a79d0e108d1f9aec79d"},
 ]
 termcolor = [
@@ -1386,25 +1392,25 @@ tomlkit = [
     {file = "tomlkit-0.7.0.tar.gz", hash = "sha256:ac57f29693fab3e309ea789252fcce3061e19110085aa31af5446ca749325618"},
 ]
 tox = [
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-    {file = "tox-3.19.0.tar.gz", hash = "sha256:17e61a93afe5c49281fb969ab71f7a3f22d7586d1c56f9a74219910f356fe7d3"},
+    {file = "tox-3.20.0-py2.py3-none-any.whl", hash = "sha256:e6318f404aff16522ff5211c88cab82b39af121735a443674e4e2e65f4e4637b"},
+    {file = "tox-3.20.0.tar.gz", hash = "sha256:eb629ddc60e8542fd4a1956b2462e3b8771d49f1ff630cecceacaa0fbfb7605a"},
 ]
 typing = [
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     {file = "typing-3.7.4.3.tar.gz", hash = "sha256:1187fb9c82fd670d10aa07bbb6cfcfe4bdda42d6fab8d5134f04e8c4d0b71cc9"},
 ]
 typing-extensions = [
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-    {file = "typing_extensions-3.7.4.2-py3-none-any.whl", hash = "sha256:6e95524d8a547a91e08f404ae485bbb71962de46967e1b71a0cb89af24e761c5"},
-    {file = "typing_extensions-3.7.4.2.tar.gz", hash = "sha256:79ee589a3caca649a9bfd2a8de4709837400dfa00b6cc81962a1e6a1815969ae"},
+    {file = "typing_extensions-3.7.4.3-py2-none-any.whl", hash = "sha256:dafc7639cde7f1b6e1acc0f457842a83e722ccca8eef5270af2d74792619a89f"},
+    {file = "typing_extensions-3.7.4.3-py3-none-any.whl", hash = "sha256:7cb407020f00f7bfc3cb3e7881628838e69d8f3fcab2f64742a5e76b2f841918"},
+    {file = "typing_extensions-3.7.4.3.tar.gz", hash = "sha256:99d4073b617d30288f569d3f13d2bd7548c3a7e4c8de87db09a9d29bb3a4a60c"},
 ]
 urllib3 = [
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     {file = "urllib3-1.25.10.tar.gz", hash = "sha256:91056c15fa70756691db97756772bb1eb9678fa585d9184f24534b100dc60f4a"},
 ]
 virtualenv = [
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-    {file = "virtualenv-20.0.30.tar.gz", hash = "sha256:7b54fd606a1b85f83de49ad8d80dbec08e983a2d2f96685045b262ebc7481ee5"},
+    {file = "virtualenv-20.0.31-py2.py3-none-any.whl", hash = "sha256:e0305af10299a7fb0d69393d8f04cb2965dda9351140d11ac8db4e5e3970451b"},
+    {file = "virtualenv-20.0.31.tar.gz", hash = "sha256:43add625c53c596d38f971a465553f6318decc39d98512bc100fa1b1e839c8dc"},
 ]
 wcwidth = [
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diff --git a/poetry/__version__.py b/poetry/__version__.py
index f2dccbbcd6f..44868965b4d 100644
--- a/poetry/__version__.py
+++ b/poetry/__version__.py
@@ -1 +1 @@
-__version__ = "1.1.0b2"
+__version__ = "1.1.0b3"
diff --git a/pyproject.toml b/pyproject.toml
index 9b31778e231..7a343def821 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "poetry"
-version = "1.1.0b2"
+version = "1.1.0b3"
 description = "Python dependency management and packaging made easy."
 authors = [
     "Sébastien Eustace <sebastien@eustace.io>"