diff --git a/.github/workflows/build-python.yml b/.github/workflows/build-python.yml
index 57b4435aff..f581a5974f 100644
--- a/.github/workflows/build-python.yml
+++ b/.github/workflows/build-python.yml
@@ -138,7 +138,12 @@ jobs:
 
           # Use the prebuilt binary for Windows
           $Url = "https://sourceforge.net/projects/boost/files/boost-binaries/$env:BOOST_VERSION/$env:BOOST_EXE-${{matrix.platform}}.exe"
-          (New-Object System.Net.WebClient).DownloadFile($Url, "$env:TEMP\boost.exe")
+
+          # Create WebClient with appropriate settings and download Boost exe
+          $wc = New-Object System.Net.Webclient
+          $wc.Headers.Add("User-Agent: Other");
+          $wc.DownloadFile($Url, "$env:TEMP\boost.exe")
+
           Start-Process -Wait -FilePath "$env:TEMP\boost.exe" "/SILENT","/SP-","/SUPPRESSMSGBOXES","/DIR=$BOOST_PATH"
 
           # Set the BOOST_ROOT variable
diff --git a/.github/workflows/build-windows.yml b/.github/workflows/build-windows.yml
index 1bda7e40ac..20b4a846f9 100644
--- a/.github/workflows/build-windows.yml
+++ b/.github/workflows/build-windows.yml
@@ -70,9 +70,6 @@ jobs:
           }
 
           if ("${{ matrix.compiler }}" -eq "gcc") {
-            # Chocolatey GCC is broken on the windows-2019 image.
-            # See: https://github.com/DaanDeMeyer/doctest/runs/231595515
-            # See: https://github.community/t5/GitHub-Actions/Something-is-wrong-with-the-chocolatey-installed-version-of-gcc/td-p/32413
             scoop install gcc --global
             echo "CC=gcc" >> $GITHUB_ENV
             echo "CXX=g++" >> $GITHUB_ENV
@@ -98,7 +95,12 @@ jobs:
 
           # Use the prebuilt binary for Windows
           $Url = "https://sourceforge.net/projects/boost/files/boost-binaries/$env:BOOST_VERSION/$env:BOOST_EXE-${{matrix.platform}}.exe"
-          (New-Object System.Net.WebClient).DownloadFile($Url, "$env:TEMP\boost.exe")
+
+          # Create WebClient with appropriate settings and download Boost exe
+          $wc = New-Object System.Net.Webclient
+          $wc.Headers.Add("User-Agent: Other");
+          $wc.DownloadFile($Url, "$env:TEMP\boost.exe")
+
           Start-Process -Wait -FilePath "$env:TEMP\boost.exe" "/SILENT","/SP-","/SUPPRESSMSGBOXES","/DIR=$BOOST_PATH"
 
           # Set the BOOST_ROOT variable
diff --git a/cmake/Config.cmake.in b/cmake/Config.cmake.in
index 36906d090d..338ff85004 100644
--- a/cmake/Config.cmake.in
+++ b/cmake/Config.cmake.in
@@ -15,10 +15,12 @@ endif()
 # Find dependencies, required by cmake exported targets:
 include(CMakeFindDependencyMacro)
 # Allow using cmake < 3.8
-if(${CMAKE_VERSION} VERSION_LESS "3.8.0")
-find_package(Boost @BOOST_FIND_MINIMUM_VERSION@ COMPONENTS @BOOST_FIND_MINIMUM_COMPONENTS@)
-else()
-find_dependency(Boost @BOOST_FIND_MINIMUM_VERSION@ COMPONENTS @BOOST_FIND_MINIMUM_COMPONENTS@)
+if (@GTSAM_ENABLE_BOOST_SERIALIZATION@ OR @GTSAM_USE_BOOST_FEATURES@)
+  if(${CMAKE_VERSION} VERSION_LESS "3.8.0")
+    find_package(Boost @BOOST_FIND_MINIMUM_VERSION@ COMPONENTS @BOOST_FIND_MINIMUM_COMPONENTS@)
+  else()
+    find_dependency(Boost @BOOST_FIND_MINIMUM_VERSION@ COMPONENTS @BOOST_FIND_MINIMUM_COMPONENTS@)
+  endif()
 endif()
 
 if(@GTSAM_USE_TBB@)
diff --git a/gtsam/inference/Factor.h b/gtsam/inference/Factor.h
index f073c4975b..074151e166 100644
--- a/gtsam/inference/Factor.h
+++ b/gtsam/inference/Factor.h
@@ -24,13 +24,13 @@
 #ifdef GTSAM_ENABLE_BOOST_SERIALIZATION
 #include <boost/serialization/nvp.hpp>
 #endif
-#include <memory>
-#include <algorithm>
-
-#include <gtsam/base/types.h>
 #include <gtsam/base/FastVector.h>
+#include <gtsam/base/types.h>
 #include <gtsam/inference/Key.h>
 
+#include <algorithm>
+#include <memory>
+
 namespace gtsam {
 
   /// Define collection types:
diff --git a/gtsam/slam/TriangulationFactor.h b/gtsam/slam/TriangulationFactor.h
index 32aa590a65..3b8486a594 100644
--- a/gtsam/slam/TriangulationFactor.h
+++ b/gtsam/slam/TriangulationFactor.h
@@ -34,6 +34,8 @@ class TriangulationFactor: public NoiseModelFactorN<Point3> {
 
   /// CAMERA type
   using Camera = CAMERA;
+  /// shorthand for measurement type, e.g. Point2 or StereoPoint2
+  using Measurement = typename CAMERA::Measurement;
 
 protected:
 
@@ -43,9 +45,6 @@ class TriangulationFactor: public NoiseModelFactorN<Point3> {
   /// shorthand for this class
   using This = TriangulationFactor<CAMERA>;
 
-  /// shorthand for measurement type, e.g. Point2 or StereoPoint2
-  using Measurement = typename CAMERA::Measurement;
-
   // Keep a copy of measurement and calibration for I/O
   const CAMERA camera_; ///< CAMERA in which this landmark was seen
   const Measurement measured_; ///< 2D measurement
diff --git a/gtsam/slam/slam.i b/gtsam/slam/slam.i
index f054aaab42..97dcfcae7b 100644
--- a/gtsam/slam/slam.i
+++ b/gtsam/slam/slam.i
@@ -347,11 +347,50 @@ virtual class FrobeniusBetweenFactor : gtsam::NoiseModelFactor {
 
   gtsam::Vector evaluateError(const T& R1, const T& R2);
 };
-  
+
+#include <gtsam/slam/TriangulationFactor.h>
+template <CAMERA>
+virtual class TriangulationFactor : gtsam::NoiseModelFactor {
+  TriangulationFactor();
+  TriangulationFactor(const CAMERA& camera, const gtsam::This::Measurement& measured,
+                      const gtsam::noiseModel::Base* model, gtsam::Key pointKey,
+                      bool throwCheirality = false,
+                      bool verboseCheirality = false);
+
+  void print(const string& s = "", const gtsam::KeyFormatter& keyFormatter =
+                                       gtsam::DefaultKeyFormatter) const;
+  bool equals(const This& p, double tol = 1e-9) const;
+
+  gtsam::Vector evaluateError(const gtsam::Point3& point) const;
+
+  const gtsam::This::Measurement& measured() const;
+};
+typedef gtsam::TriangulationFactor<gtsam::PinholeCamera<gtsam::Cal3_S2>>
+    TriangulationFactorCal3_S2;
+typedef gtsam::TriangulationFactor<gtsam::PinholeCamera<gtsam::Cal3DS2>>
+    TriangulationFactorCal3DS2;
+typedef gtsam::TriangulationFactor<gtsam::PinholeCamera<gtsam::Cal3Bundler>>
+    TriangulationFactorCal3Bundler;
+typedef gtsam::TriangulationFactor<gtsam::PinholeCamera<gtsam::Cal3Fisheye>>
+    TriangulationFactorCal3Fisheye;
+typedef gtsam::TriangulationFactor<gtsam::PinholeCamera<gtsam::Cal3Unified>>
+    TriangulationFactorCal3Unified;
+
+typedef gtsam::TriangulationFactor<gtsam::PinholePose<gtsam::Cal3_S2>>
+    TriangulationFactorPoseCal3_S2;
+typedef gtsam::TriangulationFactor<gtsam::PinholePose<gtsam::Cal3DS2>>
+    TriangulationFactorPoseCal3DS2;
+typedef gtsam::TriangulationFactor<gtsam::PinholePose<gtsam::Cal3Bundler>>
+    TriangulationFactorPoseCal3Bundler;
+typedef gtsam::TriangulationFactor<gtsam::PinholePose<gtsam::Cal3Fisheye>>
+    TriangulationFactorPoseCal3Fisheye;
+typedef gtsam::TriangulationFactor<gtsam::PinholePose<gtsam::Cal3Unified>>
+    TriangulationFactorPoseCal3Unified;
+
 #include <gtsam/slam/lago.h>
 namespace lago {
   gtsam::Values initialize(const gtsam::NonlinearFactorGraph& graph, bool useOdometricPath = true);
   gtsam::Values initialize(const gtsam::NonlinearFactorGraph& graph, const gtsam::Values& initialGuess);
 }
-  
+
 }  // namespace gtsam
diff --git a/python/CMakeLists.txt b/python/CMakeLists.txt
index 674f17d3fd..5012189249 100644
--- a/python/CMakeLists.txt
+++ b/python/CMakeLists.txt
@@ -257,7 +257,7 @@ if(GTSAM_UNSTABLE_BUILD_PYTHON)
         COMMAND
         ${CMAKE_COMMAND} -E env
         "PYTHONPATH=${GTSAM_PYTHON_BUILD_DIRECTORY}/$ENV{PYTHONPATH}"
-        pybind11-stubgen -o . --enum-class-locations \"KernelFunctionType|NoiseFormat:gtsam.gtsam\" --enum-class-locations \"OrderingType:gtsam.gtsam.Ordering\" --numpy-array-use-type-var gtsam_unstable
+        pybind11-stubgen -o . --enum-class-locations \"KernelFunctionType|NoiseFormat:gtsam.gtsam\" --enum-class-locations \"OrderingType:gtsam.gtsam.Ordering\" --numpy-array-use-type-var --ignore-all-errors gtsam_unstable
         DEPENDS ${GTSAM_PYTHON_DEPENDENCIES} ${GTSAM_PYTHON_TEST_FILES} ${GTSAM_PYTHON_UNSTABLE_TARGET}
         WORKING_DIRECTORY "${GTSAM_PYTHON_BUILD_DIRECTORY}/"
     )
@@ -284,7 +284,7 @@ add_custom_target(
         COMMAND
         ${CMAKE_COMMAND} -E env
         "PYTHONPATH=${GTSAM_PYTHON_BUILD_DIRECTORY}/$ENV{PYTHONPATH}"
-        pybind11-stubgen -o . --enum-class-locations \"KernelFunctionType|NoiseFormat:gtsam.gtsam\" --enum-class-locations \"OrderingType:gtsam.gtsam.Ordering\" --numpy-array-use-type-var gtsam
+        pybind11-stubgen -o . --enum-class-locations \"KernelFunctionType|NoiseFormat:gtsam.gtsam\" --enum-class-locations \"OrderingType:gtsam.gtsam.Ordering\" --numpy-array-use-type-var --ignore-all-errors gtsam
         DEPENDS ${GTSAM_PYTHON_DEPENDENCIES} ${GTSAM_PYTHON_TEST_FILES} ${GTSAM_PYTHON_TARGET}
         WORKING_DIRECTORY "${GTSAM_PYTHON_BUILD_DIRECTORY}/"
 )