diff --git a/usd.spec b/usd.spec
index 57f963c..7f86aae 100644
--- a/usd.spec
+++ b/usd.spec
@@ -6,14 +6,14 @@
 
 %bcond_without  alembic
 %bcond_with     documentation
+%bcond_without  draco
 %bcond_without  embree
 %bcond_without  imaging
 %bcond_with     jemalloc
-%bcond_with     openshading
-%bcond_with     openvdb
+%bcond_without  openshading
+%bcond_without  openvdb
 %bcond_without  ocio
 %bcond_without  oiio
-%bcond_without  python3
 %bcond_without  usdview
 # TODO: Figure out how to re-enable the tests. Currently these want to install
 # into /usr/tests and, and there are issues with the launchers finding the
@@ -25,8 +25,10 @@ Version:        22.05b
 Release:        %autorelease -b 9
 Summary:        3D VFX pipeline interchange file format
 
-# The entire source is Apache-2.0 except:
+# The entire source is Pixar except:
 #
+# Apache-2.0:
+#   - pxr/imaging/hgiVulkan/spirv_reflect.{cpp,h}
 # BSD-3-Clause:
 #   - pxr/base/gf/ilmbase_*
 #   - pxr/base/js/rapidjson/msinttypes/
@@ -41,14 +43,32 @@ Summary:        3D VFX pipeline interchange file format
 #   - pxr/imaging/hgiVulkan/vk_mem_alloc.h
 # MIT OR Unlicense:
 #   - pxr/imaging/hio/stb/
-# Apache-2.0 AND GPL-3.0-or-later WITH Bison-exception-2.2:
+# Pixar AND GPL-3.0-or-later WITH Bison-exception-2.2:
 #   - pxr/usd/sdf/path.tab.{cpp,h}
 #   - pxr/usd/sdf/textFileFormat.tab.{cpp,h}
 #   - third_party/renderman-24/plugin/hdPrman/virtualStructConditionalGrammar.tab.{cpp,h}
 #
+# Additionally, the following would be listed above but are removed in %%prep:
+#
+# Apache-2.0:
+#   - pxr/usdImaging/usdviewq/fonts/Roboto_Mono/
+#   - pxr/usdImaging/usdviewq/fonts/Roboto/
+# MIT:
+#   - docs/doxygen/doxygen-awesome-css/ (except doxygen-awesome-darkmode-toggle.js)
+# MIT AND Apache-2.0:
+#   - docs/doxygen/doxygen-awesome-css/doxygen-awesome-darkmode-toggle.js
+#
 # (Certain build system files are also under licenses other than Apache-2.0, but
 # do not contribute their license terms to the built RPMs.)
-License:        Apache-2.0 AND BSD-3-Clause AND BSD-2-Clause AND MIT AND (MIT OR Unlicense) AND (Apache-2.0 AND GPL-3.0-or-later WITH Bison-exception-2.2)
+License:        %{shrink:
+                Pixar AND
+                Apache-2.0 AND
+                BSD-3-Clause AND
+                BSD-2-Clause AND
+                MIT AND
+                (MIT OR Unlicense) AND
+                (Pixar AND GPL-3.0-or-later WITH Bison-exception-2.2)
+                }
 URL:            http://www.openusd.org/
 %global forgeurl https://github.com/PixarAnimationStudios/%{name}
 Source0:        %{forgeurl}/archive/v%{version}/%{name}-%{version}.tar.gz
@@ -116,11 +136,16 @@ Patch:          %{forgeurl}/pull/1928.patch
 Patch:          %{forgeurl}/pull/2266.patch
 
 # Base
+BuildRequires:  gcc-c++
+
+BuildRequires:  cmake
+
+BuildRequires:  dos2unix
+BuildRequires:  help2man
+
+BuildRequires:  pkgconfig(blosc)
 BuildRequires:  boost-devel
 BuildRequires:  boost-program-options
-BuildRequires:  cmake
-BuildRequires:  dos2unix
-BuildRequires:  gcc-c++
 BuildRequires:  pkgconfig(blosc)
 BuildRequires:  pkgconfig(tbb)
 
@@ -133,6 +158,9 @@ BuildRequires:  graphviz
 # For imaging and usd imaging
 %if %{with imaging}
 
+%if %{with draco}
+BuildRequires:  draco-devel
+%endif
 %if %{with embree}
 BuildRequires:  embree-devel
 %endif
@@ -154,8 +182,8 @@ BuildRequires:  cmake(OpenColorIO)
 %if %{with oiio}
 BuildRequires:  pkgconfig(OpenImageIO)
 %endif
-BuildRequires:  cmake(OpenEXR)
-BuildRequires:  cmake(Imath) >= 2.0
+BuildRequires:  cmake(OpenEXR) >= 3.0
+BuildRequires:  cmake(Imath) >= 3.0
 BuildRequires:  pkgconfig(Ptex)
 
 %endif
@@ -166,10 +194,19 @@ BuildRequires:  hdf5-devel
 
 # Header-only library: -static is for tracking per guidelines
 #
-# Enforce the the minimum EVR to contain fixes for all of CVE-2021-28021,
-# CVE-2021-42715, CVE-2021-42716, and CVE-2022-28041, plus the null-pointer
-# dereference bug https://github.com/nothings/stb/issues/1452.
-BuildRequires:  stb_image-devel >= 2.28^20230129git5736b15-0.2
+# Enforce the the minimum EVR to contain fixes for all of:
+# CVE-2021-28021
+# CVE-2021-42715
+# CVE-2021-42716
+# CVE-2022-28041
+# CVE-2023-43898
+# CVE-2023-45661
+# CVE-2023-45662
+# CVE-2023-45663
+# CVE-2023-45664
+# CVE-2023-45666
+# CVE-2023-45667
+BuildRequires:  stb_image-devel >= 2.28^20231011gitbeebb24-12
 BuildRequires:  stb_image-static
 BuildRequires:  stb_image_write-devel >= 1.16
 BuildRequires:  stb_image_write-static
@@ -177,9 +214,7 @@ BuildRequires:  stb_image_resize-devel >= 0.97
 BuildRequires:  stb_image_resize-static
 
 Requires:       %{name}-libs%{?_isa} = %{version}-%{release}
-%if %{with python3}
 Requires:       python3-%{name}%{?_isa} = %{version}-%{release}
-%endif
 
 # This package is only available for x86_64 and aarch64
 # Will fail to build on other architectures
@@ -227,7 +262,6 @@ interchange between graphics applications.
 
 %package        devel
 Summary:        Development files for USD
-Requires:       cmake-filesystem
 Requires:       %{name}-libs%{?_isa} = %{version}-%{release}
 
 %description devel
@@ -235,8 +269,7 @@ This package contains the C++ header files and symbolic links to the shared
 libraries for %{name}. If you would like to develop programs using %{name},
 you will need to install %{name}-devel.
 
-# For usdview
-%if %{with python3}
+# For usdview, usdcompress
 %package -n python3-%{name}
 Summary: %{summary}
 
@@ -257,11 +290,14 @@ Requires:       python3dist(jinja2)
 Requires:       python3dist(pyside2)
 %endif
 Requires:       python3dist(pyopengl)
+
+Requires:       usd-libs%{?_isa} = %{version}-%{release}
+
 %py_provides    python3-pxr
 
 %description -n python3-%{name}
 Python language bindings for the Universal Scene Description (USD) C++ API
-%endif
+
 
 %if %{with documentation}
 %package        doc
@@ -278,10 +314,8 @@ Documentation for the Universal Scene Description (USD) C++ API
 # Convert NOTICE.txt from CRNL line encoding
 dos2unix NOTICE.txt
 
-%if %{with python3}
 # Fix all Python shebangs recursively in .
 %py3_shebang_fix .
-%endif
 
 # Further drop shebangs line for some py files
 sed -r -i '1{/^#!/d}' \
@@ -327,7 +361,6 @@ sed -i 's|"${CMAKE_INSTALL_PREFIX}"|%{_libdir}/cmake/pxr|g' pxr/CMakeLists.txt
 find . -type f -exec gawk '/embree3/ { print FILENAME }' '{}' '+' |
   xargs -r sed -r -i 's/(embree)3/\14/'
 
-%build
 # Fix uic-qt5 use
 cat > uic-wrapper <<'EOF'
 #!/bin/sh
@@ -335,20 +368,24 @@ exec uic-qt5 -g python "$@"
 EOF
 chmod +x uic-wrapper
 
-# Fix python3 support
-# https://github.com/PixarAnimationStudios/USD/issues/1419
 
-flags="%{optflags} -Wl,--as-needed -DTBB_SUPPRESS_DEPRECATED_MESSAGES=1" \
-# Patch2 was not good enough to get the include path for Imath everywhere it
-# was needed. Add it globally.
-# https://github.com/PixarAnimationStudios/USD/issues/1591
-flags="${flags} $(pkgconf --cflags Imath)"
+%build
+%set_build_flags
+
+# Although upstream supports OpenEXR3 / Imath now, the necessary include path
+# is not set everywhere it’s needed. It’s not immediately clear exactly why
+# this is happening here or what should be changed upstream.
+extra_flags="${extra_flags-} $(pkgconf --cflags Imath)"
+# Suppress deprecation warnings from TBB; upstream should act on them
+# eventually, but they just add noise here.
+extra_flags="${extra_flags-} -DTBB_SUPPRESS_DEPRECATED_MESSAGES=1"
 
 %cmake \
-     -DCMAKE_CXX_FLAGS_RELEASE="${flags}" \
-     -DCMAKE_C_FLAGS_RELEASE="${flags}" \
+     -DCMAKE_CXX_FLAGS_RELEASE="${CXXFLAGS-} ${extra_flags}" \
+     -DCMAKE_C_FLAGS_RELEASE="${CFLAGS-} ${extra_flags}" \
      -DCMAKE_CXX_STANDARD=17 \
-     -DCMAKE_EXE_LINKER_FLAGS="-pie" \
+     -DCMAKE_EXE_LINKER_FLAGS="${LDFLAGS}" \
+     -DCMAKE_SHARED_LINKER_FLAGS="${LDFLAGS}" \
      -DCMAKE_SKIP_RPATH=ON \
      -DCMAKE_SKIP_INSTALL_RPATH=ON \
      -DCMAKE_VERBOSE_MAKEFILE=ON \
@@ -370,6 +407,9 @@ flags="${flags} $(pkgconf --cflags Imath)"
      -DOPENEXR_LOCATION=%{_includedir} \
      -DPXR_BUILD_ALEMBIC_PLUGIN=ON \
 %endif
+%if %{with draco}
+     -DPXR_BUILD_DRACO_PLUGIN=ON \
+%endif
 %if %{with embree}
      -DPXR_BUILD_EMBREE_PLUGIN=ON \
      -DEMBREE_LOCATION=%{_prefix} \
@@ -384,13 +424,9 @@ flags="${flags} $(pkgconf --cflags Imath)"
      -DPXR_ENABLE_OSL_SUPPORT=ON \
 %endif
      -DPYTHON_EXECUTABLE=%{python3} \
-%if %{with python3}
      -DPXR_USE_PYTHON_3=ON \
      -DPYSIDE_AVAILABLE=ON \
      -DPYSIDEUICBINARY:PATH=${PWD}/uic-wrapper \
-%else
-     -DPXR_ENABLE_PYTHON_SUPPORT=OFF \
-%endif
      -DPXR_BUILD_MONOLITHIC=ON \
      -DPXR_ENABLE_MALLOCHOOK_SUPPORT=OFF
 %cmake_build
@@ -398,6 +434,13 @@ flags="${flags} $(pkgconf --cflags Imath)"
 %install
 %cmake_install
 
+# Blender 3.5.1 requires libusd_ms.so
+ln -s %{_libdir}/lib%{name}_%{name}_ms.so \
+	%{buildroot}%{_libdir}/lib%{name}_ms.so
+
+ln -s %{_libdir}/lib%{name}_%{name}_ms.so.%{downstream_so_version} \
+	%{buildroot}%{_libdir}/lib%{name}_ms.so.%{downstream_so_version}
+
 # Fix python3 files installation
 mkdir -p %{buildroot}%{python3_sitearch}
 mv %{buildroot}%{python3_sitelib}/* %{buildroot}%{python3_sitearch}
@@ -429,6 +472,21 @@ mv %{buildroot}%{_prefix}/lib/python/pxr/Usdviewq/* \
 # https://github.com/PixarAnimationStudios/USD/issues/1088
 rm -vrf '%{buildroot}%{_libdir}/cmake'
 
+# Generate and install man pages. While generating the man pages might more
+# properly go in %%build, it is generally much easier to do this here in a
+# single step, using the entry points installed into the buildroot. This is
+# especially true for the entry points that are Python scripts.
+install -d '%{buildroot}%{_mandir}/man1'
+for cmd in %{buildroot}%{_bindir}/*
+do
+  PYTHONPATH='%{buildroot}%{python3_sitearch}' \
+  LD_LIBRARY_PATH='%{buildroot}%{_libdir}' \
+      help2man \
+      --no-info --no-discard-stderr --version-string='%{version}' \
+      --output="%{buildroot}%{_mandir}/man1/$(basename "${cmd}").1" \
+      "${cmd}"
+done
+
 %check
 %if %{with usdview}
 desktop-file-validate %{buildroot}%{_datadir}/applications/org.open%{name}.%{name}view.desktop
@@ -437,11 +495,15 @@ desktop-file-validate %{buildroot}%{_datadir}/applications/org.open%{name}.%{nam
 
 %files
 %doc NOTICE.txt README.md
+
 %{_bindir}/sdfdump
 %{_bindir}/sdffilter
 %{_bindir}/usdGenSchema
 %{_bindir}/usdcat
 %{_bindir}/usdchecker
+%if %{with draco}
+%{_bindir}/usdcompress
+%endif
 %{_bindir}/usddiff
 %{_bindir}/usddumpcrate
 %{_bindir}/usdedit
@@ -452,29 +514,56 @@ desktop-file-validate %{buildroot}%{_datadir}/applications/org.open%{name}.%{nam
 %{_bindir}/usdstitchclips
 %{_bindir}/usdtree
 %{_bindir}/usdzip
-
-%if %{with python3}
-%files -n python3-%{name}
-%{python3_sitearch}/pxr
 %if %{with usdview}
 %{_datadir}/applications/org.open%{name}.%{name}view.desktop
 %{_bindir}/testusdview
 %{_bindir}/usdview
 %endif
+
+%{_mandir}/man1/sdfdump.1*
+%{_mandir}/man1/sdffilter.1*
+%{_mandir}/man1/usdGenSchema.1*
+%{_mandir}/man1/usdcat.1*
+%{_mandir}/man1/usdchecker.1*
+%if %{with draco}
+%{_mandir}/man1/usdcompress.1*
 %endif
+%{_mandir}/man1/usddiff.1*
+%{_mandir}/man1/usddumpcrate.1*
+%{_mandir}/man1/usdedit.1*
+%{_mandir}/man1/usdgenschemafromsdr.1*
+%{_mandir}/man1/usdrecord.1*
+%{_mandir}/man1/usdresolve.1*
+%{_mandir}/man1/usdstitch.1*
+%{_mandir}/man1/usdstitchclips.1*
+%{_mandir}/man1/usdtree.1*
+%{_mandir}/man1/usdzip.1*
+%if %{with usdview}
+%{_mandir}/man1/testusdview.1*
+%{_mandir}/man1/usdview.1*
+%endif
+
+%files -n python3-%{name}
+%{python3_sitearch}/pxr/
 
 %files libs
 %license LICENSE.txt
 %doc NOTICE.txt README.md
 %{_libdir}/lib%{name}_%{name}_ms.so.%{downstream_so_version}
-%{_libdir}/%{name}
-%exclude %{_libdir}/%{name}/%{name}/resources/codegenTemplates
+%{_libdir}/lib%{name}_ms.so.%{downstream_so_version}
+# While headers normally go in -devel packages, those in
+# %%{_libdir}/usd/usd/resources/codegenTemplates/ are used as data (templates
+# for generated code), and it makes sense to package them with the rest of the
+# library resources. (Technically, these are currently used only by the
+# usdGenSchema command-line tool, so they could be moved to the base package,
+# but this is probably too fussy.)
+%{_libdir}/%{name}/
 
 %files devel
 %doc BUILDING.md CHANGELOG.md VERSIONS.md
 %{_includedir}/pxr/
 %{_libdir}/lib%{name}_%{name}_ms.so
-%{_libdir}/%{name}/%{name}/resources/codegenTemplates/
+%{_libdir}/lib%{name}_ms.so
 
 %if %{with documentation}
 %files doc