diff --git a/Boost/config.py b/Boost/config.py
index 5d69593c8c..a8ff743098 100644
--- a/Boost/config.py
+++ b/Boost/config.py
@@ -2,7 +2,7 @@
 
 	"downloads" : [
 
-		"https://dl.bintray.com/boostorg/release/1.68.0/source/boost_1_68_0.tar.gz"
+		"https://boostorg.jfrog.io/artifactory/main/release/1.68.0/source/boost_1_68_0.tar.gz"
 
 	],
 
diff --git a/Changes.md b/Changes.md
index d6d1638cda..0d7d02e3a4 100644
--- a/Changes.md
+++ b/Changes.md
@@ -1,16 +1,14 @@
-3.0.0 alpha 2
--------------
+3.0.0
+-----
 
+- OpenShadingLanguage : Updated to version 1.11.14.1.
+- OpenImageIO : Updated to version 2.2.15.1.
+- Cortex : Updated to version 10.2.0.0.
+- USD : Updated to version 21.05.
 - OpenVDB : Updated to version 7.2.2.
-
-3.0.0 alpha 1
--------------
-
 - PyBind11 : Added version 2.6.2.
 - PugiXML : Added version 1.11.
-- OpenImageIO : Updated to version 2.2.11.1.
 - LibTIFF : Updated to version 4.1.0.
-- OpenShadingLanguage : Updated to version 1.11.11.0.
 - LLVM : Updated to version 10.0.1.
 
 2.2.0
diff --git a/Cortex/config.py b/Cortex/config.py
index 895de8046d..3889bca7e5 100644
--- a/Cortex/config.py
+++ b/Cortex/config.py
@@ -2,7 +2,7 @@
 
 	"downloads" : [
 
-		"https://github.com/ImageEngine/cortex/archive/10.1.4.0.tar.gz"
+		"https://github.com/ImageEngine/cortex/archive/refs/tags/10.2.0.0.tar.gz"
 
 	],
 
diff --git a/OpenImageIO/config.py b/OpenImageIO/config.py
index fe5a1ee053..8ac1c2c6d3 100644
--- a/OpenImageIO/config.py
+++ b/OpenImageIO/config.py
@@ -2,7 +2,7 @@
 
 	"downloads" : [
 
-		"https://github.com/OpenImageIO/oiio/archive/Release-2.2.11.1.tar.gz"
+		"https://github.com/OpenImageIO/oiio/archive/Release-2.2.15.1.tar.gz"
 
 	],
 
diff --git a/OpenShadingLanguage/config.py b/OpenShadingLanguage/config.py
index 090b9dc4b3..f133f5c60c 100644
--- a/OpenShadingLanguage/config.py
+++ b/OpenShadingLanguage/config.py
@@ -2,7 +2,7 @@
 
 	"downloads" : [
 
-		"https://github.com/imageworks/OpenShadingLanguage/archive/Release-1.11.11.0.tar.gz"
+		"https://github.com/imageworks/OpenShadingLanguage/archive/Release-1.11.14.1.tar.gz"
 
 	],
 
diff --git a/OpenShadingLanguage/patches/visibilityMap.patch b/OpenShadingLanguage/patches/visibilityMap.patch
deleted file mode 100644
index 8358c435ed..0000000000
--- a/OpenShadingLanguage/patches/visibilityMap.patch
+++ /dev/null
@@ -1,60 +0,0 @@
-commit de8c484d88d533c0fe8568908b92da05c29c8cb9
-Author: Larry Gritz <lg@larrygritz.com>
-Date:   Wed Feb 17 23:40:38 2021 -0800
-
-    Typo prevented visibility hiding from happening properly
-    
-    Signed-off-by: Larry Gritz <lg@larrygritz.com>
-
-diff --git a/src/liboslcomp/CMakeLists.txt b/src/liboslcomp/CMakeLists.txt
-index 2d646d96..7cb34287 100644
---- a/src/liboslcomp/CMakeLists.txt
-+++ b/src/liboslcomp/CMakeLists.txt
-@@ -54,7 +54,7 @@ set_target_properties (${local_lib}
-     )
- 
- 
--if (VISIBILITY_COMMAND)
-+if (VISIBILITY_MAP_COMMAND)
-     set_property (TARGET ${local_lib}
-                   APPEND PROPERTY LINK_FLAGS ${VISIBILITY_MAP_COMMAND})
- endif ()
-diff --git a/src/liboslexec/CMakeLists.txt b/src/liboslexec/CMakeLists.txt
-index 52c444fd..5349da6c 100644
---- a/src/liboslexec/CMakeLists.txt
-+++ b/src/liboslexec/CMakeLists.txt
-@@ -248,7 +248,7 @@ set_target_properties (${local_lib}
-         OUTPUT_NAME ${local_lib}${OSL_LIBNAME_SUFFIX}
-     )
- 
--if (VISIBILITY_COMMAND)
-+if (VISIBILITY_MAP_COMMAND)
-     set_property (TARGET ${local_lib}
-                   APPEND PROPERTY LINK_FLAGS ${VISIBILITY_MAP_COMMAND})
- endif ()
-diff --git a/src/liboslquery/CMakeLists.txt b/src/liboslquery/CMakeLists.txt
-index 1143e59b..0419d1ae 100644
---- a/src/liboslquery/CMakeLists.txt
-+++ b/src/liboslquery/CMakeLists.txt
-@@ -31,7 +31,7 @@ set_target_properties (${local_lib}
-         POSITION_INDEPENDENT_CODE ON
-     )
- 
--if (VISIBILITY_COMMAND)
-+if (VISIBILITY_MAP_COMMAND)
-     set_property (TARGET ${local_lib}
-                   APPEND PROPERTY LINK_FLAGS ${VISIBILITY_MAP_COMMAND})
- endif ()
-diff --git a/src/osl.imageio/CMakeLists.txt b/src/osl.imageio/CMakeLists.txt
-index 48d21345..70214bc3 100644
---- a/src/osl.imageio/CMakeLists.txt
-+++ b/src/osl.imageio/CMakeLists.txt
-@@ -44,7 +44,7 @@ macro (add_oiio_plugin)
-                            PROPERTIES
-                                PREFIX ""
-                                FOLDER "Plugins")
--    if (VISIBILITY_COMMAND)
-+    if (VISIBILITY_MAP_COMMAND)
-         set_property (TARGET ${_plugin_name}
-                       APPEND PROPERTY LINK_FLAGS ${VISIBILITY_MAP_COMMAND})
-     endif ()
diff --git a/USD/config.py b/USD/config.py
index ee99a4dd37..a268a420c9 100644
--- a/USD/config.py
+++ b/USD/config.py
@@ -2,7 +2,7 @@
 
 	"downloads" : [
 
-		"https://github.com/PixarAnimationStudios/USD/archive/v20.11.tar.gz"
+		"https://github.com/PixarAnimationStudios/USD/archive/refs/tags/v21.05.tar.gz"
 
 	],