diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0ee5f04c3..fd4c39250 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -233,7 +233,9 @@ if(MSVC)
         _UNICODE # tell Windows to use the unicode version of string functions, as opposed to ASCII (https://docs.microsoft.com/en-us/windows/win32/learnwin32/working-with-strings)
         WIN32_LEAN_AND_MEAN # ignore some unnecessary Windows APIs
         NOMINMAX # don't let Windows create macros for MIN and MAX
-        _SILENCE_CXX17_RESULT_OF_DEPRECATION_WARNING)
+        _SILENCE_CXX17_RESULT_OF_DEPRECATION_WARNING
+        _DISABLE_CONSTEXPR_MUTEX_CONSTRUCTOR # See https://developercommunity.visualstudio.com/t/Visual-Studio-17100-Update-leads-to-Pr/10669759?sort=newest
+    )
 endif()
 
 if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU" OR "${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
@@ -364,6 +366,7 @@ set(CESIUM_OMNI_CXX_DEFINES
     GLM_FORCE_XYZW_ONLY # Disable .rgba and .stpq to make it easier to view values from debugger
     GLM_FORCE_EXPLICIT_CTOR # Disallow implicit conversions between dvec3 <-> dvec4, dvec3 <-> fvec3, etc
     GLM_FORCE_SIZE_T_LENGTH # Make vec.length() and vec[idx] use size_t instead of int
+    GLM_ENABLE_EXPERIMENTAL
 )
 
 # Boost is a dependency of USD. It is dynamically linked so we need to set this flag.
diff --git a/cmake/conan-0.17.0.cmake b/cmake/conan-0.17.0.cmake
index d16f705af..96315021b 100644
--- a/cmake/conan-0.17.0.cmake
+++ b/cmake/conan-0.17.0.cmake
@@ -55,7 +55,9 @@ function(_get_msvc_ide_version result)
         set(${result} 15 PARENT_SCOPE)
     elseif(NOT MSVC_VERSION VERSION_LESS 1920 AND MSVC_VERSION VERSION_LESS 1930)
         set(${result} 16 PARENT_SCOPE)
-    elseif(NOT MSVC_VERSION VERSION_LESS 1930 AND MSVC_VERSION VERSION_LESS 1940)
+    # Omniverse modification - 1940 was changed to 1945
+    # This version of the conan-cmake script does not properly account for newer versions of MSVC
+    elseif(NOT MSVC_VERSION VERSION_LESS 1930 AND MSVC_VERSION VERSION_LESS 1945)
         set(${result} 17 PARENT_SCOPE)
     else()
         message(FATAL_ERROR "Conan: Unknown MSVC compiler version [${MSVC_VERSION}]")
diff --git a/extern/cesium-native b/extern/cesium-native
index 8fbaee154..1be4d4bf4 160000
--- a/extern/cesium-native
+++ b/extern/cesium-native
@@ -1 +1 @@
-Subproject commit 8fbaee15432da5a646e23161c9c9224278e5d014
+Subproject commit 1be4d4bf4379ecbd4ce7c2dde3c7fd36ce8d7499
diff --git a/src/core/include/cesium/omniverse/CesiumIonSession.h b/src/core/include/cesium/omniverse/CesiumIonSession.h
index 8686df7fb..c6ce14bb8 100644
--- a/src/core/include/cesium/omniverse/CesiumIonSession.h
+++ b/src/core/include/cesium/omniverse/CesiumIonSession.h
@@ -1,7 +1,10 @@
 #pragma once
 
+#include "cesium/omniverse/OmniIonServer.h"
+
 #include <CesiumAsync/AsyncSystem.h>
 #include <CesiumAsync/SharedFuture.h>
+#include <CesiumIonClient/ApplicationData.h>
 #include <CesiumIonClient/Connection.h>
 
 #include <memory>
@@ -37,6 +40,9 @@ class CesiumIonSession {
     CesiumAsync::AsyncSystem& getAsyncSystem() {
         return this->_asyncSystem;
     }
+    [[nodiscard]] const std::optional<CesiumIonClient::ApplicationData>& getApplicationData() const {
+        return this->_appData;
+    }
 
     [[nodiscard]] bool isConnected() const {
         return this->_connection.has_value();
@@ -107,10 +113,19 @@ class CesiumIonSession {
     [[nodiscard]] CesiumAsync::Future<CesiumIonClient::Response<CesiumIonClient::Token>>
     findToken(const std::string& token) const;
 
+    /**
+    * If the {@link _appData} field has no value, this method will request the
+    * ion server's /appData endpoint to obtain its data.
+    * @returns A future that resolves to true if _appData is present or false if
+    * it couldn't be fetched.
+    */
+    CesiumAsync::Future<bool> ensureAppDataLoaded();
+
   private:
     CesiumAsync::AsyncSystem _asyncSystem;
     std::shared_ptr<CesiumAsync::IAssetAccessor> _pAssetAccessor;
 
+    std::optional<CesiumIonClient::ApplicationData> _appData;
     std::optional<CesiumIonClient::Connection> _connection;
     std::optional<CesiumIonClient::Profile> _profile;
     std::optional<CesiumIonClient::Assets> _assets;
diff --git a/src/core/include/cesium/omniverse/CesiumIonSessionManager.h b/src/core/include/cesium/omniverse/CesiumIonSessionManager.h
new file mode 100644
index 000000000..456c80c84
--- /dev/null
+++ b/src/core/include/cesium/omniverse/CesiumIonSessionManager.h
@@ -0,0 +1,29 @@
+#pragma once
+
+#include <memory>
+#include <string>
+#include <unordered_map>
+
+namespace cesium::omniverse {
+
+class CesiumIonSession;
+class Context;
+
+class CesiumIonSessionManager {
+  public:
+    CesiumIonSessionManager(Context* pContext);
+    ~CesiumIonSessionManager() = default;
+    CesiumIonSessionManager(const CesiumIonSessionManager&) = delete;
+    CesiumIonSessionManager& operator=(const CesiumIonSessionManager&) = delete;
+    CesiumIonSessionManager(CesiumIonSessionManager&&) noexcept = delete;
+    CesiumIonSessionManager& operator=(CesiumIonSessionManager&&) noexcept = delete;
+
+    std::shared_ptr<CesiumIonSession>
+    getOrCreateSession(const std::string& ionServerUrl, const std::string& ionServerApiUrl, int64_t applicationId);
+
+  private:
+    std::unordered_map<std::string, std::shared_ptr<CesiumIonSession>> _sessions;
+    Context* _pContext;
+};
+
+} // namespace cesium::omniverse
diff --git a/src/core/include/cesium/omniverse/Context.h b/src/core/include/cesium/omniverse/Context.h
index 1f2c5a993..6287f2390 100644
--- a/src/core/include/cesium/omniverse/Context.h
+++ b/src/core/include/cesium/omniverse/Context.h
@@ -26,6 +26,7 @@ namespace cesium::omniverse {
 
 class AssetRegistry;
 class CesiumIonServerManager;
+class CesiumIonSessionManager;
 class FabricResourceManager;
 class Logger;
 class TaskProcessor;
@@ -55,6 +56,8 @@ class Context {
     [[nodiscard]] AssetRegistry& getAssetRegistry();
     [[nodiscard]] const FabricResourceManager& getFabricResourceManager() const;
     [[nodiscard]] FabricResourceManager& getFabricResourceManager();
+    [[nodiscard]] const CesiumIonSessionManager& getCesiumIonSessionManager() const;
+    [[nodiscard]] CesiumIonSessionManager& getCesiumIonSessionManager();
     [[nodiscard]] const CesiumIonServerManager& getCesiumIonServerManager() const;
     [[nodiscard]] CesiumIonServerManager& getCesiumIonServerManager();
 
@@ -88,6 +91,7 @@ class Context {
     std::shared_ptr<CesiumUtility::CreditSystem> _pCreditSystem;
     std::unique_ptr<AssetRegistry> _pAssetRegistry;
     std::unique_ptr<FabricResourceManager> _pFabricResourceManager;
+    std::unique_ptr<CesiumIonSessionManager> _pCesiumIonSessionManager;
     std::unique_ptr<CesiumIonServerManager> _pCesiumIonServerManager;
     std::unique_ptr<UsdNotificationHandler> _pUsdNotificationHandler;
 
diff --git a/src/core/include/cesium/omniverse/MetadataUtil.h b/src/core/include/cesium/omniverse/MetadataUtil.h
index fefce6cc5..bf064f8c2 100644
--- a/src/core/include/cesium/omniverse/MetadataUtil.h
+++ b/src/core/include/cesium/omniverse/MetadataUtil.h
@@ -227,13 +227,14 @@ void forEachPropertyTableProperty(
 
     for (uint64_t i = 0; i < pMeshFeatures->featureIds.size(); ++i) {
         const auto featureIdSetIndex = i;
-        const auto& featureId = pMeshFeatures->featureIds[featureIdSetIndex];
-        if (featureId.propertyTable.has_value()) {
-            const auto pPropertyTable = model.getSafe(
-                &pStructuralMetadataModel->propertyTables, static_cast<int32_t>(featureId.propertyTable.value()));
+        const CesiumGltf::FeatureId& featureId = pMeshFeatures->featureIds[featureIdSetIndex];
+
+        if (featureId.propertyTable != -1) {
+            const auto pPropertyTable =
+                model.getSafe(&pStructuralMetadataModel->propertyTables, static_cast<int32_t>(featureId.propertyTable));
             if (!pPropertyTable) {
                 context.getLogger()->warn(
-                    fmt::format("Property table index {} is out of range.", featureId.propertyTable.value()));
+                    fmt::format("Property table index {} is out of range.", featureId.propertyTable));
                 continue;
             }
 
diff --git a/src/core/include/cesium/omniverse/OmniIonServer.h b/src/core/include/cesium/omniverse/OmniIonServer.h
index 674581bcd..6e8955e2b 100644
--- a/src/core/include/cesium/omniverse/OmniIonServer.h
+++ b/src/core/include/cesium/omniverse/OmniIonServer.h
@@ -33,6 +33,5 @@ class OmniIonServer {
   private:
     Context* _pContext;
     pxr::SdfPath _path;
-    std::shared_ptr<CesiumIonSession> _session;
 };
 } // namespace cesium::omniverse
diff --git a/src/core/src/CesiumIonServerManager.cpp b/src/core/src/CesiumIonServerManager.cpp
index 1ee155990..516cbd88a 100644
--- a/src/core/src/CesiumIonServerManager.cpp
+++ b/src/core/src/CesiumIonServerManager.cpp
@@ -53,8 +53,8 @@ void CesiumIonServerManager::updateTokenTroubleshootingDetails(
 
     details.showDetails = true;
 
-    const auto pConnection =
-        std::make_shared<CesiumIonClient::Connection>(pSession->getAsyncSystem(), pSession->getAssetAccessor(), token);
+    const auto pConnection = std::make_shared<CesiumIonClient::Connection>(
+        pSession->getAsyncSystem(), pSession->getAssetAccessor(), token, pSession->getApplicationData().value());
 
     pConnection->me()
         .thenInMainThread(
diff --git a/src/core/src/CesiumIonSession.cpp b/src/core/src/CesiumIonSession.cpp
index 0bd0e4cd3..a4a7fce0d 100644
--- a/src/core/src/CesiumIonSession.cpp
+++ b/src/core/src/CesiumIonSession.cpp
@@ -5,6 +5,7 @@
 #include "cesium/omniverse/Broadcast.h"
 #include "cesium/omniverse/SettingsWrapper.h"
 
+#include <CesiumAsync/SharedFuture.h>
 #include <CesiumUtility/Uri.h>
 
 #include <utility>
@@ -46,19 +47,51 @@ void CesiumIonSession::connect() {
 
     this->_isConnecting = true;
 
-    Connection::authorize(
-        this->_asyncSystem,
-        this->_pAssetAccessor,
-        "Cesium for Omniverse",
-        _ionApplicationId,
-        "/cesium-for-omniverse/oauth2/callback",
-        {"assets:list", "assets:read", "profile:read", "tokens:read", "tokens:write", "geocode"},
-        [this](const std::string& url) {
-            // NOTE: We open the browser in the Python code. Check in the sign in widget's on_update_frame function.
-            this->_authorizeUrl = url;
-        },
-        _ionApiUrl,
-        CesiumUtility::Uri::resolve(_ionServerUrl, "oauth"))
+    CesiumAsync::Future<std::optional<std::string>> futureApiUrl =
+        !_ionApiUrl.empty()
+            ? this->_asyncSystem.createResolvedFuture<std::optional<std::string>>(_ionApiUrl)
+            : CesiumIonClient::Connection::getApiUrl(this->_asyncSystem, this->_pAssetAccessor, _ionServerUrl);
+
+    std::move(futureApiUrl)
+        .thenInMainThread([this](std::optional<std::string>&& ionApiUrl) {
+            CesiumAsync::Promise<bool> promise = this->_asyncSystem.createPromise<bool>();
+
+            if (_ionApiUrl.empty()) {
+                _ionApiUrl = ionApiUrl.value();
+            }
+
+            // Make request to /appData to learn the server's authentication mode
+            return this->ensureAppDataLoaded();
+        })
+        .thenInMainThread([this](bool loadedAppData) {
+            if (!loadedAppData || !this->_appData.has_value()) {
+                CesiumAsync::Promise<CesiumIonClient::Connection> promise =
+                    this->_asyncSystem.createPromise<CesiumIonClient::Connection>();
+
+                promise.reject(std::runtime_error("Failed to load _appData, can't create connection"));
+                return promise.getFuture();
+            }
+
+            if (this->_appData->needsOauthAuthentication()) {
+                return CesiumIonClient::Connection::authorize(
+                    this->_asyncSystem,
+                    this->_pAssetAccessor,
+                    "Cesium for Omniverse",
+                    _ionApplicationId,
+                    "/cesium-for-omniverse/oauth2/callback",
+                    {"assets:list", "assets:read", "profile:read", "tokens:read", "tokens:write", "geocode"},
+                    [this](const std::string& url) {
+                        // NOTE: We open the browser in the Python code. Check in the sign in widget's on_update_frame function.
+                        this->_authorizeUrl = url;
+                    },
+                    this->_appData.value(),
+                    _ionApiUrl,
+                    CesiumUtility::Uri::resolve(_ionServerUrl, "oauth"));
+            }
+
+            return this->_asyncSystem.createResolvedFuture<CesiumIonClient::Connection>(CesiumIonClient::Connection(
+                this->_asyncSystem, this->_pAssetAccessor, "", this->_appData.value(), _ionServerUrl));
+        })
         .thenInMainThread([this](CesiumIonClient::Connection&& connection) {
             this->_isConnecting = false;
             this->_connection = std::move(connection);
@@ -105,17 +138,38 @@ void CesiumIonSession::resume() {
 
     this->_isResuming = true;
 
-    this->_connection = Connection(this->_asyncSystem, this->_pAssetAccessor, accessToken);
-
     // Verify that the connection actually works.
-    this->_connection.value()
-        .me()
-        .thenInMainThread([this](Response<Profile>&& response) {
-            if (!response.value.has_value()) {
-                this->_connection.reset();
+    this->ensureAppDataLoaded()
+        .thenInMainThread([this, accessToken](bool loadedAppData) {
+            CesiumAsync::Promise<void> promise = this->_asyncSystem.createPromise<void>();
+
+            if (!loadedAppData || !this->_appData.has_value()) {
+                promise.reject(std::runtime_error("Failed to obtain _appData, can't resume connection"));
+                return promise.getFuture();
             }
-            this->_isResuming = false;
-            Broadcast::connectionUpdated();
+
+            if (this->_appData->needsOauthAuthentication() && accessToken.empty()) {
+                // No user access token was stored, so there's no existing session to resume.
+                promise.resolve();
+                this->_isResuming = false;
+                return promise.getFuture();
+            }
+
+            std::shared_ptr<CesiumIonClient::Connection> pConnection = std::make_shared<CesiumIonClient::Connection>(
+                this->_asyncSystem, this->_pAssetAccessor, accessToken, this->_appData.value(), _ionApiUrl);
+
+            return pConnection->me().thenInMainThread(
+                [this, pConnection](CesiumIonClient::Response<CesiumIonClient::Profile>&& response) {
+                    if (!response.value.has_value()) {
+                        this->_connection.reset();
+                    }
+                    this->_isResuming = false;
+                    Broadcast::connectionUpdated();
+                    // logResponseErrors(response);
+                    if (response.value.has_value()) {
+                        this->_connection = std::move(*pConnection);
+                    }
+                });
         })
         .catchInMainThread([this]([[maybe_unused]] std::exception&& e) {
             this->_isResuming = false;
@@ -280,3 +334,22 @@ Future<Response<Token>> CesiumIonSession::findToken(const std::string& token) co
 
     return this->_connection->token(*maybeTokenID);
 }
+
+CesiumAsync::Future<bool> CesiumIonSession::ensureAppDataLoaded() {
+
+    return CesiumIonClient::Connection::appData(this->_asyncSystem, this->_pAssetAccessor, this->_ionApiUrl)
+        .thenInMainThread([this](CesiumIonClient::Response<CesiumIonClient::ApplicationData>&& applicationData) {
+            CesiumAsync::Promise<bool> promise = this->_asyncSystem.createPromise<bool>();
+
+            this->_appData = applicationData.value;
+            if (!applicationData.value.has_value()) {
+                promise.resolve(false);
+            } else {
+                promise.resolve(true);
+            }
+
+            return promise.getFuture();
+        })
+        .catchInMainThread(
+            [this]([[maybe_unused]] std::exception&& e) { return this->_asyncSystem.createResolvedFuture(false); });
+}
\ No newline at end of file
diff --git a/src/core/src/CesiumIonSessionManager.cpp b/src/core/src/CesiumIonSessionManager.cpp
new file mode 100644
index 000000000..caea1fc6c
--- /dev/null
+++ b/src/core/src/CesiumIonSessionManager.cpp
@@ -0,0 +1,29 @@
+#include "cesium/omniverse/CesiumIonSessionManager.h"
+
+#include "cesium/omniverse/CesiumIonSession.h"
+#include "cesium/omniverse/Context.h"
+
+namespace cesium::omniverse {
+
+CesiumIonSessionManager::CesiumIonSessionManager(Context* pContext)
+    : _pContext(pContext) {}
+
+std::shared_ptr<CesiumIonSession> CesiumIonSessionManager::getOrCreateSession(
+    const std::string& ionServerUrl,
+    const std::string& ionServerApiUrl,
+    int64_t applicationId) {
+    const auto key = ionServerUrl + ionServerApiUrl + std::to_string(applicationId);
+    const auto foundIter = _sessions.find(key);
+    if (foundIter != _sessions.end()) {
+        return foundIter->second;
+    }
+
+    auto pSession = std::make_shared<CesiumIonSession>(
+        _pContext->getAsyncSystem(), _pContext->getAssetAccessor(), ionServerUrl, ionServerApiUrl, applicationId);
+
+    _sessions.emplace(key, pSession);
+
+    return pSession;
+}
+
+} // namespace cesium::omniverse
diff --git a/src/core/src/Context.cpp b/src/core/src/Context.cpp
index 5d33385fc..4093251c9 100644
--- a/src/core/src/Context.cpp
+++ b/src/core/src/Context.cpp
@@ -2,6 +2,7 @@
 
 #include "cesium/omniverse/AssetRegistry.h"
 #include "cesium/omniverse/CesiumIonServerManager.h"
+#include "cesium/omniverse/CesiumIonSessionManager.h"
 #include "cesium/omniverse/FabricResourceManager.h"
 #include "cesium/omniverse/FabricStatistics.h"
 #include "cesium/omniverse/FabricUtil.h"
@@ -78,6 +79,7 @@ Context::Context(const std::filesystem::path& cesiumExtensionLocation)
     , _pCreditSystem(std::make_shared<CesiumUtility::CreditSystem>())
     , _pAssetRegistry(std::make_unique<AssetRegistry>(this))
     , _pFabricResourceManager(std::make_unique<FabricResourceManager>(this))
+    , _pCesiumIonSessionManager(std::make_unique<CesiumIonSessionManager>(this))
     , _pCesiumIonServerManager(std::make_unique<CesiumIonServerManager>(this))
     , _pUsdNotificationHandler(std::make_unique<UsdNotificationHandler>(this))
     , _contextId(static_cast<int64_t>(getSecondsSinceEpoch())) {
@@ -152,6 +154,14 @@ FabricResourceManager& Context::getFabricResourceManager() {
     return *_pFabricResourceManager.get();
 }
 
+const CesiumIonSessionManager& Context::getCesiumIonSessionManager() const {
+    return *_pCesiumIonSessionManager.get();
+}
+
+CesiumIonSessionManager& Context::getCesiumIonSessionManager() {
+    return *_pCesiumIonSessionManager.get();
+}
+
 const CesiumIonServerManager& Context::getCesiumIonServerManager() const {
     return *_pCesiumIonServerManager.get();
 }
diff --git a/src/core/src/OmniIonServer.cpp b/src/core/src/OmniIonServer.cpp
index 10861b3fc..7755e9bfb 100644
--- a/src/core/src/OmniIonServer.cpp
+++ b/src/core/src/OmniIonServer.cpp
@@ -1,6 +1,7 @@
 #include "cesium/omniverse/OmniIonServer.h"
 
 #include "cesium/omniverse/CesiumIonSession.h"
+#include "cesium/omniverse/CesiumIonSessionManager.h"
 #include "cesium/omniverse/Context.h"
 #include "cesium/omniverse/UsdUtil.h"
 
@@ -10,14 +11,8 @@ namespace cesium::omniverse {
 
 OmniIonServer::OmniIonServer(Context* pContext, const pxr::SdfPath& path)
     : _pContext(pContext)
-    , _path(path)
-    , _session(std::make_shared<CesiumIonSession>(
-          pContext->getAsyncSystem(),
-          pContext->getAssetAccessor(),
-          getIonServerUrl(),
-          getIonServerApiUrl(),
-          getIonServerApplicationId())) {
-    _session->resume();
+    , _path(path) {
+    getSession()->resume();
 }
 
 const pxr::SdfPath& OmniIonServer::getPath() const {
@@ -25,7 +20,8 @@ const pxr::SdfPath& OmniIonServer::getPath() const {
 }
 
 std::shared_ptr<CesiumIonSession> OmniIonServer::getSession() const {
-    return _session;
+    return _pContext->getCesiumIonSessionManager().getOrCreateSession(
+        getIonServerUrl(), getIonServerApiUrl(), getIonServerApplicationId());
 }
 
 std::string OmniIonServer::getIonServerUrl() const {