diff --git a/Include/patchlevel.h b/Include/patchlevel.h
index f3c412b..2f6a68f 100644
--- a/Include/patchlevel.h
+++ b/Include/patchlevel.h
@@ -19,11 +19,11 @@
 #define PY_MAJOR_VERSION        3
 #define PY_MINOR_VERSION        8
 #define PY_MICRO_VERSION        3
-#define PY_RELEASE_LEVEL        PY_RELEASE_LEVEL_GAMMA
-#define PY_RELEASE_SERIAL       1
+#define PY_RELEASE_LEVEL        PY_RELEASE_LEVEL_FINAL
+#define PY_RELEASE_SERIAL       0
 
 /* Version as a string */
-#define PY_VERSION              "3.8.3rc1+"
+#define PY_VERSION              "3.8.3"
 /*--end constants--*/
 
 /* Version as a single 4-byte hex number, e.g. 0x010502B2 == 1.5.2b2.
diff --git a/Lib/pydoc_data/topics.py b/Lib/pydoc_data/topics.py
index ba068f0..06f0e78 100644
--- a/Lib/pydoc_data/topics.py
+++ b/Lib/pydoc_data/topics.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Autogenerated by Sphinx on Wed Apr 29 19:18:01 2020
+# Autogenerated by Sphinx on Wed May 13 19:29:27 2020
 topics = {'assert': 'The "assert" statement\n'
            '**********************\n'
            '\n'
diff --git a/Misc/NEWS.d/3.8.3.rst b/Misc/NEWS.d/3.8.3.rst
new file mode 100644
index 0000000..39a4417
--- /dev/null
+++ b/Misc/NEWS.d/3.8.3.rst
@@ -0,0 +1,107 @@
+.. bpo: 40527
+.. date: 2020-05-06-14-52-35
+.. nonce: gTNKuy
+.. release date: 2020-05-13
+.. section: Core and Builtins
+
+Fix command line argument parsing: no longer write errors multiple times
+into stderr.
+
+..
+
+.. bpo: 40417
+.. date: 2020-05-01-19-04-52
+.. nonce: Sti2lJ
+.. section: Core and Builtins
+
+Fix imp module deprecation warning when PyImport_ReloadModule is called.
+Patch by Robert Rouhani.
+
+..
+
+.. bpo: 39562
+.. date: 2020-05-01-14-58-16
+.. nonce: KCsX8n
+.. section: Core and Builtins
+
+The constant values of future flags in the :mod:`__future__` module are
+updated in order to prevent collision with compiler flags. Previously
+``PyCF_ALLOW_TOP_LEVEL_AWAIT`` was clashing with ``CO_FUTURE_DIVISION``.
+
+..
+
+.. bpo: 40559
+.. date: 2020-05-05-08-12-51
+.. nonce: 112wwa
+.. section: Library
+
+Fix possible memory leak in the C implementation of :class:`asyncio.Task`.
+
+..
+
+.. bpo: 40355
+.. date: 2020-05-02-14-24-48
+.. nonce: xTujaB
+.. section: Library
+
+Improve error reporting in :func:`ast.literal_eval` in the presence of
+malformed :class:`ast.Dict` nodes instead of silently ignoring any
+non-conforming elements. Patch by Curtis Bucher.
+
+..
+
+.. bpo: 40459
+.. date: 2020-05-02-04-29-31
+.. nonce: fSAYVD
+.. section: Library
+
+:func:`platform.win32_ver` now produces correct *ptype* strings instead of
+empty strings.
+
+..
+
+.. bpo: 40398
+.. date: 2020-04-26-22-25-36
+.. nonce: OdXnR3
+.. section: Library
+
+:func:`typing.get_args` now always returns an empty tuple for special
+generic aliases.
+
+..
+
+.. bpo: 40561
+.. date: 2020-05-08-08-39-40
+.. nonce: ZMB_2i
+.. section: Documentation
+
+Provide docstrings for webbrowser open functions.
+
+..
+
+.. bpo: 39435
+.. date: 2020-01-24-05-42-57
+.. nonce: EFcdFU
+.. section: Documentation
+
+Fix an incorrect signature for :func:`pickle.loads` in the docs
+
+..
+
+.. bpo: 40458
+.. date: 2020-05-01-20-57-57
+.. nonce: Eb0ueI
+.. section: Windows
+
+Increase reserved stack space to prevent overflow crash on Windows.
+
+..
+
+.. bpo: 40412
+.. date: 2020-05-01-17-28-04
+.. nonce: dE0D8N
+.. section: C API
+
+Nullify inittab_copy during finalization, preventing future interpreter
+initializations in an embedded situation from crashing. Patch by Gregory
+Szorc.
diff --git a/Misc/NEWS.d/next/C API/2020-05-01-17-28-04.bpo-40412.dE0D8N.rst b/Misc/NEWS.d/next/C API/2020-05-01-17-28-04.bpo-40412.dE0D8N.rst
deleted file mode 100644
index 92bfcdd..0000000
--- a/Misc/NEWS.d/next/C API/2020-05-01-17-28-04.bpo-40412.dE0D8N.rst
+++ /dev/null
@@ -1 +0,0 @@
-Nullify inittab_copy during finalization, preventing future interpreter initializations in an embedded situation from crashing. Patch by Gregory Szorc.
diff --git a/Misc/NEWS.d/next/Core and Builtins/2020-05-01-14-58-16.bpo-39562.KCsX8n.rst b/Misc/NEWS.d/next/Core and Builtins/2020-05-01-14-58-16.bpo-39562.KCsX8n.rst
deleted file mode 100644
index 5d7ef96..0000000
--- a/Misc/NEWS.d/next/Core and Builtins/2020-05-01-14-58-16.bpo-39562.KCsX8n.rst
+++ /dev/null
@@ -1,3 +0,0 @@
-The constant values of future flags in the :mod:`__future__` module are
-updated in order to prevent collision with compiler flags. Previously
-``PyCF_ALLOW_TOP_LEVEL_AWAIT`` was clashing with ``CO_FUTURE_DIVISION``.
diff --git a/Misc/NEWS.d/next/Core and Builtins/2020-05-01-19-04-52.bpo-40417.Sti2lJ.rst b/Misc/NEWS.d/next/Core and Builtins/2020-05-01-19-04-52.bpo-40417.Sti2lJ.rst
deleted file mode 100644
index 932e853..0000000
--- a/Misc/NEWS.d/next/Core and Builtins/2020-05-01-19-04-52.bpo-40417.Sti2lJ.rst
+++ /dev/null
@@ -1 +0,0 @@
-Fix imp module deprecation warning when PyImport_ReloadModule is called. Patch by Robert Rouhani.
diff --git a/Misc/NEWS.d/next/Core and Builtins/2020-05-06-14-52-35.bpo-40527.gTNKuy.rst b/Misc/NEWS.d/next/Core and Builtins/2020-05-06-14-52-35.bpo-40527.gTNKuy.rst
deleted file mode 100644
index 19b8888..0000000
--- a/Misc/NEWS.d/next/Core and Builtins/2020-05-06-14-52-35.bpo-40527.gTNKuy.rst
+++ /dev/null
@@ -1,2 +0,0 @@
-Fix command line argument parsing: no longer write errors multiple times
-into stderr.
diff --git a/Misc/NEWS.d/next/Documentation/2020-01-24-05-42-57.bpo-39435.EFcdFU.rst b/Misc/NEWS.d/next/Documentation/2020-01-24-05-42-57.bpo-39435.EFcdFU.rst
deleted file mode 100644
index 40294c1..0000000
--- a/Misc/NEWS.d/next/Documentation/2020-01-24-05-42-57.bpo-39435.EFcdFU.rst
+++ /dev/null
@@ -1 +0,0 @@
-Fix an incorrect signature for :func:`pickle.loads` in the docs
\ No newline at end of file
diff --git a/Misc/NEWS.d/next/Documentation/2020-05-08-08-39-40.bpo-40561.ZMB_2i.rst b/Misc/NEWS.d/next/Documentation/2020-05-08-08-39-40.bpo-40561.ZMB_2i.rst
deleted file mode 100644
index bda2471..0000000
--- a/Misc/NEWS.d/next/Documentation/2020-05-08-08-39-40.bpo-40561.ZMB_2i.rst
+++ /dev/null
@@ -1 +0,0 @@
-Provide docstrings for webbrowser open functions.
diff --git a/Misc/NEWS.d/next/Library/2020-04-26-22-25-36.bpo-40398.OdXnR3.rst b/Misc/NEWS.d/next/Library/2020-04-26-22-25-36.bpo-40398.OdXnR3.rst
deleted file mode 100644
index a56da0c..0000000
--- a/Misc/NEWS.d/next/Library/2020-04-26-22-25-36.bpo-40398.OdXnR3.rst
+++ /dev/null
@@ -1,2 +0,0 @@
-:func:`typing.get_args` now always returns an empty tuple for special
-generic aliases.
diff --git a/Misc/NEWS.d/next/Library/2020-05-02-04-29-31.bpo-40459.fSAYVD.rst b/Misc/NEWS.d/next/Library/2020-05-02-04-29-31.bpo-40459.fSAYVD.rst
deleted file mode 100644
index d4bf698..0000000
--- a/Misc/NEWS.d/next/Library/2020-05-02-04-29-31.bpo-40459.fSAYVD.rst
+++ /dev/null
@@ -1 +0,0 @@
-:func:`platform.win32_ver` now produces correct *ptype* strings instead of empty strings.
diff --git a/Misc/NEWS.d/next/Library/2020-05-02-14-24-48.bpo-40355.xTujaB.rst b/Misc/NEWS.d/next/Library/2020-05-02-14-24-48.bpo-40355.xTujaB.rst
deleted file mode 100644
index 81f9e93..0000000
--- a/Misc/NEWS.d/next/Library/2020-05-02-14-24-48.bpo-40355.xTujaB.rst
+++ /dev/null
@@ -1,2 +0,0 @@
-Improve error reporting in :func:`ast.literal_eval` in the presence of malformed :class:`ast.Dict`
-nodes instead of silently ignoring any non-conforming elements. Patch by Curtis Bucher.
diff --git a/Misc/NEWS.d/next/Library/2020-05-05-08-12-51.bpo-40559.112wwa.rst b/Misc/NEWS.d/next/Library/2020-05-05-08-12-51.bpo-40559.112wwa.rst
deleted file mode 100644
index 1584635..0000000
--- a/Misc/NEWS.d/next/Library/2020-05-05-08-12-51.bpo-40559.112wwa.rst
+++ /dev/null
@@ -1 +0,0 @@
-Fix possible memory leak in the C implementation of :class:`asyncio.Task`.
\ No newline at end of file
diff --git a/Misc/NEWS.d/next/Windows/2020-05-01-20-57-57.bpo-40458.Eb0ueI.rst b/Misc/NEWS.d/next/Windows/2020-05-01-20-57-57.bpo-40458.Eb0ueI.rst
deleted file mode 100644
index 4dc1ff4..0000000
--- a/Misc/NEWS.d/next/Windows/2020-05-01-20-57-57.bpo-40458.Eb0ueI.rst
+++ /dev/null
@@ -1 +0,0 @@
-Increase reserved stack space to prevent overflow crash on Windows.
diff --git a/README.rst b/README.rst
index 8bf81f0..ae71b67 100644
--- a/README.rst
+++ b/README.rst
@@ -1,5 +1,5 @@
-This is Python version 3.8.3rc1
-===============================
+This is Python version 3.8.3
+============================
 
 .. image:: https://travis-ci.org/python/cpython.svg?branch=3.8
    :alt: CPython build status on Travis CI