diff --git a/android/app/src/main/cpp/native.cpp b/android/app/src/main/cpp/native.cpp
index 437505be3f..9b5e5f2543 100644
--- a/android/app/src/main/cpp/native.cpp
+++ b/android/app/src/main/cpp/native.cpp
@@ -228,7 +228,7 @@ Java_io_highfidelity_hifiinterface_fragment_LoginFragment_nativeLogin(JNIEnv *en
     env->ReleaseStringUTFChars(username_, c_username);
     env->ReleaseStringUTFChars(password_, c_password);
 
-    auto accountManager = AndroidHelper::instance().getAccountManager();
+    auto accountManager = DependencyManager::get<AccountManager>();
 
     __loginCompletedListener = QAndroidJniObject(instance);
     __usernameChangedListener = QAndroidJniObject(usernameChangedListener);
@@ -270,18 +270,18 @@ Java_io_highfidelity_hifiinterface_SplashActivity_registerLoadCompleteListener(J
 }
 JNIEXPORT jboolean JNICALL
 Java_io_highfidelity_hifiinterface_MainActivity_nativeIsLoggedIn(JNIEnv *env, jobject instance) {
-    return AndroidHelper::instance().getAccountManager()->isLoggedIn();
+    return DependencyManager::get<AccountManager>()->isLoggedIn();
 }
 
 JNIEXPORT void JNICALL
 Java_io_highfidelity_hifiinterface_MainActivity_nativeLogout(JNIEnv *env, jobject instance) {
-    AndroidHelper::instance().getAccountManager()->logout();
+    DependencyManager::get<AccountManager>()->logout();
 }
 
 JNIEXPORT jstring JNICALL
 Java_io_highfidelity_hifiinterface_MainActivity_nativeGetDisplayName(JNIEnv *env,
                                                                      jobject instance) {
-    QString username = AndroidHelper::instance().getAccountManager()->getAccountInfo().getUsername();
+    QString username = DependencyManager::get<AccountManager>()->getAccountInfo().getUsername();
     return env->NewStringUTF(username.toLatin1().data());
 }
 
diff --git a/interface/resources/qml/hifi/audio/Audio.qml b/interface/resources/qml/hifi/audio/Audio.qml
index ba50b7f238..cc1ba49984 100644
--- a/interface/resources/qml/hifi/audio/Audio.qml
+++ b/interface/resources/qml/hifi/audio/Audio.qml
@@ -129,12 +129,10 @@ Rectangle {
                     id: stereoMic
                     spacing: muteMic.spacing;
                     text: qsTr("Enable stereo input");
-                    checked: AudioScriptingInterface.isStereoInput();
+                    checked: AudioScriptingInterface.isStereoInput;
                     onClicked: {
-                        var success = AudioScriptingInterface.setStereoInput(checked);
-                        if (!success) {
-                            checked = !checked;
-                        }
+                        AudioScriptingInterface.isStereoInput = checked;
+                        checked = Qt.binding(function() { return AudioScriptingInterface.isStereoInput; }); // restore binding
                     }
                 }
             }
diff --git a/interface/resources/qml/hifi/dialogs/GeneralPreferencesDialog.qml b/interface/resources/qml/hifi/dialogs/GeneralPreferencesDialog.qml
index cb4913f999..861de001d8 100644
--- a/interface/resources/qml/hifi/dialogs/GeneralPreferencesDialog.qml
+++ b/interface/resources/qml/hifi/dialogs/GeneralPreferencesDialog.qml
@@ -17,7 +17,7 @@ PreferencesDialog {
     id: root
     objectName: "GeneralPreferencesDialog"
     title: "General Settings"
-    showCategories: ["User Interface", "HMD", "Snapshots", "Privacy"]
+    showCategories: ["User Interface", "Mouse Sensitivity", "HMD", "Snapshots", "Privacy"]
     property var settings: Settings {
         category: root.objectName
         property alias x: root.x
diff --git a/interface/resources/qml/hifi/tablet/TabletGeneralPreferences.qml b/interface/resources/qml/hifi/tablet/TabletGeneralPreferences.qml
index 63801019b9..4f1100f20b 100644
--- a/interface/resources/qml/hifi/tablet/TabletGeneralPreferences.qml
+++ b/interface/resources/qml/hifi/tablet/TabletGeneralPreferences.qml
@@ -32,6 +32,6 @@ StackView {
     TabletPreferencesDialog {
         id: root
         objectName: "TabletGeneralPreferences"
-        showCategories: ["User Interface", "HMD", "Snapshots", "Privacy"]
+        showCategories: ["User Interface", "Mouse Sensitivity", "HMD", "Snapshots", "Privacy"]
     }
 }
diff --git a/interface/src/AndroidHelper.cpp b/interface/src/AndroidHelper.cpp
index ef7319e63f..be41d434df 100644
--- a/interface/src/AndroidHelper.cpp
+++ b/interface/src/AndroidHelper.cpp
@@ -10,31 +10,11 @@
 //
 #include "AndroidHelper.h"
 #include <QDebug>
-#include <AccountManager.h>
 
 AndroidHelper::AndroidHelper() {
 }
 
 AndroidHelper::~AndroidHelper() {
-    workerThread.quit();
-    workerThread.wait();
-}
-
-void AndroidHelper::init() {
-    workerThread.start();
-    _accountManager = QSharedPointer<AccountManager>(new AccountManager, &QObject::deleteLater);
-    _accountManager->setIsAgent(true);
-    _accountManager->setAuthURL(NetworkingConstants::METAVERSE_SERVER_URL());
-    _accountManager->setSessionID(DependencyManager::get<AccountManager>()->getSessionID());
-    connect(_accountManager.data(), &AccountManager::loginComplete, [](const QUrl& authURL) {
-            DependencyManager::get<AccountManager>()->setAccountInfo(AndroidHelper::instance().getAccountManager()->getAccountInfo());
-            DependencyManager::get<AccountManager>()->setAuthURL(authURL);
-    });
-
-    connect(_accountManager.data(), &AccountManager::logoutComplete, [] () {
-            DependencyManager::get<AccountManager>()->logout();
-    });
-    _accountManager->moveToThread(&workerThread);
 }
 
 void AndroidHelper::requestActivity(const QString &activityName, const bool backToScene) {
diff --git a/interface/src/AndroidHelper.h b/interface/src/AndroidHelper.h
index 007c0db4a5..cecae4a79e 100644
--- a/interface/src/AndroidHelper.h
+++ b/interface/src/AndroidHelper.h
@@ -13,8 +13,6 @@
 #define hifi_Android_Helper_h
 
 #include <QObject>
-#include <QThread>
-#include <AccountManager.h>
 
 class AndroidHelper : public QObject {
     Q_OBJECT
@@ -23,7 +21,6 @@ public:
             static AndroidHelper instance;
             return instance;
     }
-    void init();
     void requestActivity(const QString &activityName, const bool backToScene);
     void notifyLoadComplete();
     void notifyEnterForeground();
@@ -31,7 +28,6 @@ public:
 
     void performHapticFeedback(int duration);
 
-    QSharedPointer<AccountManager> getAccountManager() { return _accountManager; }
     AndroidHelper(AndroidHelper const&)  = delete;
     void operator=(AndroidHelper const&) = delete;
 
@@ -49,8 +45,6 @@ signals:
 private:
     AndroidHelper();
     ~AndroidHelper();
-    QSharedPointer<AccountManager> _accountManager;
-    QThread workerThread;
 };
 
 #endif
diff --git a/interface/src/Application.cpp b/interface/src/Application.cpp
index 56041ba507..a60d72073c 100644
--- a/interface/src/Application.cpp
+++ b/interface/src/Application.cpp
@@ -2259,7 +2259,6 @@ Application::Application(int& argc, char** argv, QElapsedTimer& startupTimer, bo
     qCDebug(interfaceapp) << "Metaverse session ID is" << uuidStringWithoutCurlyBraces(accountManager->getSessionID());
 
 #if defined(Q_OS_ANDROID)
-    AndroidHelper::instance().init();
     connect(&AndroidHelper::instance(), &AndroidHelper::enterBackground, this, &Application::enterBackground);
     connect(&AndroidHelper::instance(), &AndroidHelper::enterForeground, this, &Application::enterForeground);
     AndroidHelper::instance().notifyLoadComplete();
diff --git a/interface/src/avatar/AvatarManager.cpp b/interface/src/avatar/AvatarManager.cpp
index c63095a204..8a25c21946 100644
--- a/interface/src/avatar/AvatarManager.cpp
+++ b/interface/src/avatar/AvatarManager.cpp
@@ -36,13 +36,13 @@
 #include <SettingHandle.h>
 #include <UsersScriptingInterface.h>
 #include <UUID.h>
-#include <avatars-renderer/OtherAvatar.h>
 #include <shared/ConicalViewFrustum.h>
 
 #include "Application.h"
 #include "InterfaceLogging.h"
 #include "Menu.h"
 #include "MyAvatar.h"
+#include "OtherAvatar.h"
 #include "SceneScriptingInterface.h"
 
 // 50 times per second - target is 45hz, but this helps account for any small deviations
@@ -192,6 +192,15 @@ void AvatarManager::updateOtherAvatars(float deltaTime) {
     while (!sortedAvatars.empty()) {
         const SortableAvatar& sortData = sortedAvatars.top();
         const auto avatar = std::static_pointer_cast<Avatar>(sortData.getAvatar());
+        const auto otherAvatar = std::static_pointer_cast<OtherAvatar>(sortData.getAvatar());
+
+        // if the geometry is loaded then turn off the orb
+        if (avatar->getSkeletonModel()->isLoaded()) {
+            // remove the orb if it is there
+            otherAvatar->removeOrb();
+        } else {
+            otherAvatar->updateOrbPosition();
+        }
 
         bool ignoring = DependencyManager::get<NodeList>()->isPersonalMutingNode(avatar->getID());
         if (ignoring) {
diff --git a/interface/src/avatar/MyAvatar.cpp b/interface/src/avatar/MyAvatar.cpp
index 76714170fb..ed7ce87db2 100755
--- a/interface/src/avatar/MyAvatar.cpp
+++ b/interface/src/avatar/MyAvatar.cpp
@@ -714,7 +714,8 @@ void MyAvatar::simulate(float deltaTime) {
                 entityTree->recurseTreeWithOperator(&moveOperator);
             }
         });
-        _characterController.setFlyingAllowed(zoneAllowsFlying && _enableFlying);
+        bool isPhysicsEnabled = qApp->isPhysicsEnabled();
+        _characterController.setFlyingAllowed(zoneAllowsFlying && (_enableFlying || !isPhysicsEnabled));
         _characterController.setCollisionlessAllowed(collisionlessAllowed);
     }
 
@@ -1097,8 +1098,8 @@ void MyAvatar::saveData() {
     settings.setValue("displayName", _displayName);
     settings.setValue("collisionSoundURL", _collisionSoundURL);
     settings.setValue("useSnapTurn", _useSnapTurn);
-    settings.setValue("clearOverlayWhenMoving", _clearOverlayWhenMoving);
     settings.setValue("userHeight", getUserHeight());
+    settings.setValue("enabledFlying", getFlyingEnabled());
 
     settings.endGroup();
 }
@@ -1248,11 +1249,10 @@ void MyAvatar::loadData() {
         settings.remove("avatarEntityData");
     }
     setAvatarEntityDataChanged(true);
-
+    setFlyingEnabled(settings.value("enabledFlying").toBool());
     setDisplayName(settings.value("displayName").toString());
     setCollisionSoundURL(settings.value("collisionSoundURL", DEFAULT_AVATAR_COLLISION_SOUND_URL).toString());
     setSnapTurn(settings.value("useSnapTurn", _useSnapTurn).toBool());
-    setClearOverlayWhenMoving(settings.value("clearOverlayWhenMoving", _clearOverlayWhenMoving).toBool());
     setDominantHand(settings.value("dominantHand", _dominantHand).toString().toLower());
     setUserHeight(settings.value("userHeight", DEFAULT_AVATAR_HEIGHT).toDouble());
     settings.endGroup();
diff --git a/interface/src/avatar/MyAvatar.h b/interface/src/avatar/MyAvatar.h
index 7cb1cfb4b4..a3b07d400f 100644
--- a/interface/src/avatar/MyAvatar.h
+++ b/interface/src/avatar/MyAvatar.h
@@ -250,7 +250,7 @@ public:
     Q_ENUM(DriveKeys)
 
     explicit MyAvatar(QThread* thread);
-    ~MyAvatar();
+    virtual ~MyAvatar();
 
     void instantiableAvatar() override {};
     void registerMetaTypes(ScriptEnginePointer engine);
@@ -469,16 +469,6 @@ public:
      * @param {boolean} on
      */
     Q_INVOKABLE void setSnapTurn(bool on) { _useSnapTurn = on; }
-    /**jsdoc
-     * @function MyAvatar.getClearOverlayWhenMoving
-     * @returns {boolean} 
-     */
-    Q_INVOKABLE bool getClearOverlayWhenMoving() const { return _clearOverlayWhenMoving; }
-    /**jsdoc
-     * @function MyAvatar.setClearOverlayWhenMoving
-     * @param {boolean} on
-     */
-    Q_INVOKABLE void setClearOverlayWhenMoving(bool on) { _clearOverlayWhenMoving = on; }
 
 
     /**jsdoc
@@ -1434,7 +1424,7 @@ private:
     std::array<float, MAX_DRIVE_KEYS> _driveKeys;
     std::bitset<MAX_DRIVE_KEYS> _disabledDriveKeys;
 
-    bool _enableFlying { true };
+    bool _enableFlying { false };
     bool _wasPushing { false };
     bool _isPushing { false };
     bool _isBeingPushed { false };
@@ -1496,7 +1486,6 @@ private:
     ThreadSafeValueCache<QUrl> _prefOverrideAnimGraphUrl;
     QUrl _fstAnimGraphOverrideUrl;
     bool _useSnapTurn { true };
-    bool _clearOverlayWhenMoving { true };
     QString _dominantHand { DOMINANT_RIGHT_HAND };
 
     const float ROLL_CONTROL_DEAD_ZONE_DEFAULT = 8.0f; // degrees
diff --git a/interface/src/avatar/OtherAvatar.cpp b/interface/src/avatar/OtherAvatar.cpp
new file mode 100644
index 0000000000..5e51658128
--- /dev/null
+++ b/interface/src/avatar/OtherAvatar.cpp
@@ -0,0 +1,60 @@
+//
+//  Created by Bradley Austin Davis on 2017/04/27
+//  Copyright 2013-2017 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+#include "OtherAvatar.h"
+#include "Application.h"
+
+OtherAvatar::OtherAvatar(QThread* thread) : Avatar(thread) {
+    // give the pointer to our head to inherited _headData variable from AvatarData
+    _headData = new Head(this);
+    _skeletonModel = std::make_shared<SkeletonModel>(this, nullptr);
+    _skeletonModel->setLoadingPriority(OTHERAVATAR_LOADING_PRIORITY);
+    connect(_skeletonModel.get(), &Model::setURLFinished, this, &Avatar::setModelURLFinished);
+    connect(_skeletonModel.get(), &Model::rigReady, this, &Avatar::rigReady);
+    connect(_skeletonModel.get(), &Model::rigReset, this, &Avatar::rigReset);
+
+    // add the purple orb
+    createOrb();
+}
+
+OtherAvatar::~OtherAvatar() {
+    removeOrb();
+}
+
+void OtherAvatar::removeOrb() {
+    if (qApp->getOverlays().isAddedOverlay(_otherAvatarOrbMeshPlaceholderID)) {
+        qApp->getOverlays().deleteOverlay(_otherAvatarOrbMeshPlaceholderID);
+    }
+}
+
+void OtherAvatar::updateOrbPosition() {
+    if (_otherAvatarOrbMeshPlaceholder != nullptr) {
+        _otherAvatarOrbMeshPlaceholder->setWorldPosition(getHead()->getPosition());
+    }
+}
+
+void OtherAvatar::createOrb() {
+    if (_otherAvatarOrbMeshPlaceholderID == UNKNOWN_OVERLAY_ID ||
+        !qApp->getOverlays().isAddedOverlay(_otherAvatarOrbMeshPlaceholderID)) {
+        _otherAvatarOrbMeshPlaceholder = std::make_shared<Sphere3DOverlay>();
+        _otherAvatarOrbMeshPlaceholder->setAlpha(1.0f);
+        _otherAvatarOrbMeshPlaceholder->setColor({ 0xFF, 0x00, 0xFF });
+        _otherAvatarOrbMeshPlaceholder->setIsSolid(false);
+        _otherAvatarOrbMeshPlaceholder->setPulseMin(0.5);
+        _otherAvatarOrbMeshPlaceholder->setPulseMax(1.0);
+        _otherAvatarOrbMeshPlaceholder->setColorPulse(1.0);
+        _otherAvatarOrbMeshPlaceholder->setIgnoreRayIntersection(true);
+        _otherAvatarOrbMeshPlaceholder->setDrawInFront(false);
+        _otherAvatarOrbMeshPlaceholderID = qApp->getOverlays().addOverlay(_otherAvatarOrbMeshPlaceholder);
+        // Position focus
+        _otherAvatarOrbMeshPlaceholder->setWorldOrientation(glm::quat(0.0f, 0.0f, 0.0f, 1.0));
+        _otherAvatarOrbMeshPlaceholder->setWorldPosition(getHead()->getPosition());
+        _otherAvatarOrbMeshPlaceholder->setDimensions(glm::vec3(0.5f, 0.5f, 0.5f));
+        _otherAvatarOrbMeshPlaceholder->setVisible(true);
+    }
+}
diff --git a/interface/src/avatar/OtherAvatar.h b/interface/src/avatar/OtherAvatar.h
new file mode 100644
index 0000000000..f33952b78b
--- /dev/null
+++ b/interface/src/avatar/OtherAvatar.h
@@ -0,0 +1,32 @@
+//
+//  Created by Bradley Austin Davis on 2017/04/27
+//  Copyright 2013-2017 High Fidelity, Inc.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+#ifndef hifi_OtherAvatar_h
+#define hifi_OtherAvatar_h
+
+#include <avatars-renderer/Avatar.h>
+#include "ui/overlays/Overlays.h"
+#include "ui/overlays/Sphere3DOverlay.h"
+#include "InterfaceLogging.h"
+
+class OtherAvatar : public Avatar {
+public:
+    explicit OtherAvatar(QThread* thread);
+    virtual ~OtherAvatar();
+
+    virtual void instantiableAvatar() override { };
+    virtual void createOrb() override;
+    void updateOrbPosition();
+    void removeOrb();
+
+protected:
+    std::shared_ptr<Sphere3DOverlay> _otherAvatarOrbMeshPlaceholder { nullptr };
+    OverlayID _otherAvatarOrbMeshPlaceholderID { UNKNOWN_OVERLAY_ID };
+};
+
+#endif  // hifi_OtherAvatar_h
diff --git a/interface/src/scripting/SettingsScriptingInterface.cpp b/interface/src/scripting/SettingsScriptingInterface.cpp
index 2f14c33dc7..afafe1a350 100644
--- a/interface/src/scripting/SettingsScriptingInterface.cpp
+++ b/interface/src/scripting/SettingsScriptingInterface.cpp
@@ -35,5 +35,8 @@ QVariant SettingsScriptingInterface::getValue(const QString& setting, const QVar
 }
 
 void SettingsScriptingInterface::setValue(const QString& setting, const QVariant& value) {
-    Setting::Handle<QVariant>(setting).set(value);
+    // Make a deep-copy of the string.
+    // Dangling pointers can occur with QStrings that are implicitly shared from a QScriptEngine.
+    QString deepCopy = QString::fromUtf16(setting.utf16());
+    Setting::Handle<QVariant>(deepCopy).set(value);
 }
diff --git a/interface/src/ui/OverlayConductor.cpp b/interface/src/ui/OverlayConductor.cpp
index d131bb3467..e27001567f 100644
--- a/interface/src/ui/OverlayConductor.cpp
+++ b/interface/src/ui/OverlayConductor.cpp
@@ -88,38 +88,24 @@ void OverlayConductor::update(float dt) {
         _hmdMode = false;
     }
 
-    bool isAtRest = updateAvatarIsAtRest();
-    bool isMoving = !isAtRest;
-
     bool shouldRecenter = false;
 
-    if (_flags & SuppressedByMove) {
-        if (!isMoving) {
-            _flags &= ~SuppressedByMove;
-            shouldRecenter = true;
-        }
-    } else {
-        if (myAvatar->getClearOverlayWhenMoving() && isMoving) {
-            _flags |= SuppressedByMove;
-        }
-    }
-
-    if (_flags & SuppressedByHead) {
-        if (isAtRest) {
-            _flags &= ~SuppressedByHead;
+    if (_suppressedByHead) {
+        if (updateAvatarIsAtRest()) {
+            _suppressedByHead = false;
             shouldRecenter = true;
         }
     } else {
         if (_hmdMode && headOutsideOverlay()) {
-            _flags |= SuppressedByHead;
+            _suppressedByHead = true;
         }
     }
 
-    bool targetVisible = Menu::getInstance()->isOptionChecked(MenuOption::Overlays) && (0 == (_flags & SuppressMask));
+    bool targetVisible = Menu::getInstance()->isOptionChecked(MenuOption::Overlays) && !_suppressedByHead;
     if (targetVisible != currentVisible) {
         offscreenUi->setPinned(!targetVisible);
     }
-    if (shouldRecenter && !_flags) {
+    if (shouldRecenter && !_suppressedByHead) {
         centerUI();
     }
 }
diff --git a/interface/src/ui/OverlayConductor.h b/interface/src/ui/OverlayConductor.h
index cf69c32fc5..b47e23d28a 100644
--- a/interface/src/ui/OverlayConductor.h
+++ b/interface/src/ui/OverlayConductor.h
@@ -25,13 +25,7 @@ private:
     bool headOutsideOverlay() const;
     bool updateAvatarIsAtRest();
 
-    enum SupressionFlags {
-        SuppressedByMove = 0x01,
-        SuppressedByHead = 0x02,
-        SuppressMask = 0x03,
-    };
-
-    uint8_t _flags { SuppressedByMove };
+    bool _suppressedByHead { false };
     bool _hmdMode { false };
 
     // used by updateAvatarIsAtRest
diff --git a/interface/src/ui/PreferencesDialog.cpp b/interface/src/ui/PreferencesDialog.cpp
index 3d3c432e92..e7c010fc31 100644
--- a/interface/src/ui/PreferencesDialog.cpp
+++ b/interface/src/ui/PreferencesDialog.cpp
@@ -161,12 +161,6 @@ void setupPreferences() {
         preferences->addPreference(new CheckPreference(UI_CATEGORY, "Use reticle cursor instead of arrow", getter, setter));
     }
 
-    {
-        auto getter = [=]()->bool { return myAvatar->getClearOverlayWhenMoving(); };
-        auto setter = [=](bool value) { myAvatar->setClearOverlayWhenMoving(value); };
-        preferences->addPreference(new CheckPreference(UI_CATEGORY, "Clear overlays when moving", getter, setter));
-    }
-
     static const QString VIEW_CATEGORY{ "View" };
     {
         auto getter = [=]()->float { return myAvatar->getRealWorldFieldOfView(); };
diff --git a/libraries/audio-client/src/AudioClient.cpp b/libraries/audio-client/src/AudioClient.cpp
index a5f79290cd..a6f0416a30 100644
--- a/libraries/audio-client/src/AudioClient.cpp
+++ b/libraries/audio-client/src/AudioClient.cpp
@@ -1426,6 +1426,8 @@ bool AudioClient::setIsStereoInput(bool isStereoInput) {
 
         // restart the input device
         switchInputToAudioDevice(_inputDeviceInfo);
+
+        emit isStereoInputChanged(_isStereoInput);
     }
 
     return stereoInputChanged;
@@ -1463,6 +1465,8 @@ void AudioClient::outputFormatChanged() {
 }
 
 bool AudioClient::switchInputToAudioDevice(const QAudioDeviceInfo inputDeviceInfo, bool isShutdownRequest) {
+    Q_ASSERT_X(QThread::currentThread() == thread(), Q_FUNC_INFO, "Function invoked on wrong thread");
+
     qCDebug(audioclient) << __FUNCTION__ << "inputDeviceInfo: [" << inputDeviceInfo.deviceName() << "]";
     bool supportedFormat = false;
 
@@ -1663,6 +1667,8 @@ void AudioClient::outputNotify() {
 }
 
 bool AudioClient::switchOutputToAudioDevice(const QAudioDeviceInfo outputDeviceInfo, bool isShutdownRequest) {
+    Q_ASSERT_X(QThread::currentThread() == thread(), Q_FUNC_INFO, "Function invoked on wrong thread");
+
     qCDebug(audioclient) << "AudioClient::switchOutputToAudioDevice() outputDeviceInfo: [" << outputDeviceInfo.deviceName() << "]";
     bool supportedFormat = false;
 
@@ -2021,7 +2027,7 @@ void AudioClient::setAvatarBoundingBoxParameters(glm::vec3 corner, glm::vec3 sca
 
 
 void AudioClient::startThread() {
-    moveToNewNamedThread(this, "Audio Thread", [this] { start(); });
+    moveToNewNamedThread(this, "Audio Thread", [this] { start(); }, QThread::TimeCriticalPriority);
 }
 
 void AudioClient::setInputVolume(float volume, bool emitSignal) {
diff --git a/libraries/audio/src/AbstractAudioInterface.h b/libraries/audio/src/AbstractAudioInterface.h
index 30cbceeb0e..bbfd79d0aa 100644
--- a/libraries/audio/src/AbstractAudioInterface.h
+++ b/libraries/audio/src/AbstractAudioInterface.h
@@ -44,6 +44,9 @@ public slots:
     virtual bool setIsStereoInput(bool stereo) = 0;
 
     virtual bool isStereoInput() = 0;
+
+signals:
+    void isStereoInputChanged(bool isStereo);
 };
 
 Q_DECLARE_METATYPE(AbstractAudioInterface*)
diff --git a/libraries/avatars-renderer/src/avatars-renderer/Avatar.cpp b/libraries/avatars-renderer/src/avatars-renderer/Avatar.cpp
index a99838d810..843235c0e1 100644
--- a/libraries/avatars-renderer/src/avatars-renderer/Avatar.cpp
+++ b/libraries/avatars-renderer/src/avatars-renderer/Avatar.cpp
@@ -1338,6 +1338,9 @@ void Avatar::scaleVectorRelativeToPosition(glm::vec3 &positionToScale) const {
 }
 
 void Avatar::setSkeletonModelURL(const QUrl& skeletonModelURL) {
+    if (!isMyAvatar()) {
+        createOrb();
+    }
     AvatarData::setSkeletonModelURL(skeletonModelURL);
     if (QThread::currentThread() == thread()) {
         _skeletonModel->setURL(_skeletonModelURL);
diff --git a/libraries/avatars-renderer/src/avatars-renderer/Avatar.h b/libraries/avatars-renderer/src/avatars-renderer/Avatar.h
index 98246330c4..bb9d6d8cc9 100644
--- a/libraries/avatars-renderer/src/avatars-renderer/Avatar.h
+++ b/libraries/avatars-renderer/src/avatars-renderer/Avatar.h
@@ -23,7 +23,6 @@
 #include <graphics-scripting/Forward.h>
 #include <GLMHelpers.h>
 
-
 #include "Head.h"
 #include "SkeletonModel.h"
 #include "Rig.h"
@@ -41,7 +40,6 @@ static const float SCALING_RATIO = .05f;
 extern const float CHAT_MESSAGE_SCALE;
 extern const float CHAT_MESSAGE_HEIGHT;
 
-
 enum ScreenTintLayer {
     SCREEN_TINT_BEFORE_LANDSCAPE = 0,
     SCREEN_TINT_BEFORE_AVATARS,
@@ -69,7 +67,7 @@ public:
     static void setShowNamesAboveHeads(bool show);
 
     explicit Avatar(QThread* thread);
-    ~Avatar();
+    virtual ~Avatar();
 
     virtual void instantiableAvatar() = 0;
 
@@ -109,6 +107,7 @@ public:
     float getLODDistance() const;
 
     virtual bool isMyAvatar() const override { return false; }
+    virtual void createOrb() { }
 
     virtual QVector<glm::quat> getJointRotations() const override;
     using AvatarData::getJointRotation;
@@ -167,8 +166,8 @@ public:
 
     virtual int parseDataFromBuffer(const QByteArray& buffer) override;
 
-    static void renderJointConnectingCone( gpu::Batch& batch, glm::vec3 position1, glm::vec3 position2,
-                                                float radius1, float radius2, const glm::vec4& color);
+    static void renderJointConnectingCone(gpu::Batch& batch, glm::vec3 position1, glm::vec3 position2,
+                                               float radius1, float radius2, const glm::vec4& color);
 
     virtual void applyCollision(const glm::vec3& contactPoint, const glm::vec3& penetration) { }
 
@@ -235,7 +234,7 @@ public:
 
     /// Scales a world space position vector relative to the avatar position and scale
     /// \param vector position to be scaled. Will store the result
-    void scaleVectorRelativeToPosition(glm::vec3 &positionToScale) const;
+    void scaleVectorRelativeToPosition(glm::vec3& positionToScale) const;
 
     void slamPosition(const glm::vec3& position);
     virtual void updateAttitude(const glm::quat& orientation) override;
@@ -254,7 +253,6 @@ public:
     void setPositionViaScript(const glm::vec3& position) override;
     void setOrientationViaScript(const glm::quat& orientation) override;
 
-
     /**jsdoc
      * @function MyAvatar.getParentID
      * @returns {Uuid} 
@@ -283,7 +281,6 @@ public:
     // This calls through to the SpatiallyNestable versions, but is here to expose these to JavaScript.
     Q_INVOKABLE virtual void setParentJointIndex(quint16 parentJointIndex) override;
 
-
     /**jsdoc
      * Returns an array of joints, where each joint is an object containing name, index, and parentIndex fields.
      * @function MyAvatar.getSkeleton
@@ -349,7 +346,6 @@ public:
     // not all subclasses of AvatarData have access to this data.
     virtual bool canMeasureEyeHeight() const override { return true; }
 
-
     virtual float getModelScale() const { return _modelScale; }
     virtual void setModelScale(float scale) { _modelScale = scale; }
     virtual glm::vec3 scaleForChildren() const override { return glm::vec3(getModelScale()); }
diff --git a/libraries/avatars-renderer/src/avatars-renderer/OtherAvatar.cpp b/libraries/avatars-renderer/src/avatars-renderer/OtherAvatar.cpp
deleted file mode 100644
index 7678c03276..0000000000
--- a/libraries/avatars-renderer/src/avatars-renderer/OtherAvatar.cpp
+++ /dev/null
@@ -1,19 +0,0 @@
-//
-//  Created by Bradley Austin Davis on 2017/04/27
-//  Copyright 2013-2017 High Fidelity, Inc.
-//
-//  Distributed under the Apache License, Version 2.0.
-//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
-//
-
-#include "OtherAvatar.h"
-
-OtherAvatar::OtherAvatar(QThread* thread) : Avatar(thread) {
-    // give the pointer to our head to inherited _headData variable from AvatarData
-    _headData = new Head(this);
-    _skeletonModel = std::make_shared<SkeletonModel>(this, nullptr);
-    _skeletonModel->setLoadingPriority(OTHERAVATAR_LOADING_PRIORITY);
-    connect(_skeletonModel.get(), &Model::setURLFinished, this, &Avatar::setModelURLFinished);
-    connect(_skeletonModel.get(), &Model::rigReady, this, &Avatar::rigReady);
-    connect(_skeletonModel.get(), &Model::rigReset, this, &Avatar::rigReset);
-}
diff --git a/libraries/avatars-renderer/src/avatars-renderer/OtherAvatar.h b/libraries/avatars-renderer/src/avatars-renderer/OtherAvatar.h
deleted file mode 100644
index df09d7fd99..0000000000
--- a/libraries/avatars-renderer/src/avatars-renderer/OtherAvatar.h
+++ /dev/null
@@ -1,20 +0,0 @@
-//
-//  Created by Bradley Austin Davis on 2017/04/27
-//  Copyright 2013-2017 High Fidelity, Inc.
-//
-//  Distributed under the Apache License, Version 2.0.
-//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
-//
-
-#ifndef hifi_OtherAvatar_h
-#define hifi_OtherAvatar_h
-
-#include "Avatar.h"
-
-class OtherAvatar : public Avatar {
-public:
-    explicit OtherAvatar(QThread* thread);
-    virtual void instantiableAvatar() override {};
-};
-
-#endif // hifi_OtherAvatar_h
diff --git a/libraries/script-engine/src/AudioScriptingInterface.cpp b/libraries/script-engine/src/AudioScriptingInterface.cpp
index f248c20d41..be419e8005 100644
--- a/libraries/script-engine/src/AudioScriptingInterface.cpp
+++ b/libraries/script-engine/src/AudioScriptingInterface.cpp
@@ -23,6 +23,21 @@ void registerAudioMetaTypes(QScriptEngine* engine) {
     qScriptRegisterMetaType(engine, soundSharedPointerToScriptValue, soundSharedPointerFromScriptValue);
 }
 
+
+void AudioScriptingInterface::setLocalAudioInterface(AbstractAudioInterface* audioInterface) {
+    if (_localAudioInterface) {
+        disconnect(_localAudioInterface, &AbstractAudioInterface::isStereoInputChanged,
+                   this, &AudioScriptingInterface::isStereoInputChanged);
+    }
+    
+    _localAudioInterface = audioInterface;
+
+    if (_localAudioInterface) {
+        connect(_localAudioInterface, &AbstractAudioInterface::isStereoInputChanged,
+                this, &AudioScriptingInterface::isStereoInputChanged);
+    }
+}
+
 ScriptAudioInjector* AudioScriptingInterface::playSystemSound(SharedSoundPointer sound, const QVector3D& position) {
     AudioInjectorOptions options;
     options.position = glm::vec3(position.x(), position.y(), position.z());
@@ -61,11 +76,10 @@ ScriptAudioInjector* AudioScriptingInterface::playSound(SharedSoundPointer sound
 }
 
 bool AudioScriptingInterface::setStereoInput(bool stereo) {
-    bool stereoInputChanged = false;
     if (_localAudioInterface) {
-        stereoInputChanged = _localAudioInterface->setIsStereoInput(stereo);
+        QMetaObject::invokeMethod(_localAudioInterface, "setIsStereoInput", Q_ARG(bool, stereo));
     }
-    return stereoInputChanged;
+    return true;
 }
 
 bool AudioScriptingInterface::isStereoInput() {
diff --git a/libraries/script-engine/src/AudioScriptingInterface.h b/libraries/script-engine/src/AudioScriptingInterface.h
index 36fe29243d..843fa3e8f0 100644
--- a/libraries/script-engine/src/AudioScriptingInterface.h
+++ b/libraries/script-engine/src/AudioScriptingInterface.h
@@ -23,9 +23,11 @@ class AudioScriptingInterface : public QObject, public Dependency {
     Q_OBJECT
     SINGLETON_DEPENDENCY
 
+    Q_PROPERTY(bool isStereoInput READ isStereoInput WRITE setStereoInput NOTIFY isStereoInputChanged)
+
 public:
     virtual ~AudioScriptingInterface() {}
-    void setLocalAudioInterface(AbstractAudioInterface* audioInterface) { _localAudioInterface = audioInterface; }
+    void setLocalAudioInterface(AbstractAudioInterface* audioInterface);
 
 protected:
     AudioScriptingInterface() {}
@@ -52,7 +54,7 @@ protected:
     /**jsdoc
      * @function Audio.setStereoInput
      * @param {boolean} stereo
-     * @returns {boolean} 
+     * @returns {boolean}
      */
     Q_INVOKABLE bool setStereoInput(bool stereo);
 
@@ -114,6 +116,13 @@ signals:
      */
     void inputReceived(const QByteArray& inputSamples);
 
+    /**jsdoc
+    * @function Audio.isStereoInputChanged
+    * @param {boolean} isStereo
+    * @returns {Signal}
+    */
+    void isStereoInputChanged(bool isStereo);
+
 private:
     AbstractAudioInterface* _localAudioInterface { nullptr };
 };
diff --git a/libraries/script-engine/src/ScriptEngine.cpp b/libraries/script-engine/src/ScriptEngine.cpp
index f8c99b192f..99c02ba1f6 100644
--- a/libraries/script-engine/src/ScriptEngine.cpp
+++ b/libraries/script-engine/src/ScriptEngine.cpp
@@ -1639,22 +1639,24 @@ QVariantMap ScriptEngine::fetchModuleSource(const QString& modulePath, const boo
     loader->start(MAX_RETRIES);
 
     if (!loader->isFinished()) {
-        QTimer monitor;
-        QEventLoop loop;
-        QObject::connect(loader, &BatchLoader::finished, this, [&monitor, &loop]{
-            monitor.stop();
-            loop.quit();
+        // This lambda can get called AFTER this local scope has completed.
+        // This is why we pass smart ptrs to the lambda instead of references to local variables.
+        auto monitor = std::make_shared<QTimer>();
+        auto loop = std::make_shared<QEventLoop>();
+        QObject::connect(loader, &BatchLoader::finished, this, [monitor, loop] {
+            monitor->stop();
+            loop->quit();
         });
 
         // this helps detect the case where stop() is invoked during the download
         //  but not seen in time to abort processing in onload()...
-        connect(&monitor, &QTimer::timeout, this, [this, &loop]{
+        connect(monitor.get(), &QTimer::timeout, this, [this, loop] {
             if (isStopping()) {
-                loop.exit(-1);
+                loop->exit(-1);
             }
         });
-        monitor.start(500);
-        loop.exec();
+        monitor->start(500);
+        loop->exec();
     }
     loader->deleteLater();
     return req;
diff --git a/scripts/system/snapshot.js b/scripts/system/snapshot.js
index 9b540aefc8..e265ddb621 100644
--- a/scripts/system/snapshot.js
+++ b/scripts/system/snapshot.js
@@ -17,7 +17,6 @@ var SNAPSHOT_DELAY = 500; // 500ms
 var FINISH_SOUND_DELAY = 350;
 var resetOverlays;
 var reticleVisible;
-var clearOverlayWhenMoving;
 
 var buttonName = "SNAP";
 var buttonConnected = false;
@@ -286,6 +285,7 @@ function printToPolaroid(image_url) {
     var polaroid_url = image_url;                  
 
     var model_pos = Vec3.sum(MyAvatar.position, Vec3.multiply(1.25, Quat.getForward(MyAvatar.orientation)));
+    model_pos.y += 0.2; // Print a bit closer to the head
     
     var model_q1 = MyAvatar.orientation;
     var model_q2 = Quat.angleAxis(90, Quat.getRight(model_q1));
@@ -295,11 +295,11 @@ function printToPolaroid(image_url) {
         "type": 'Model',
         "shapeType": 'box',
 
-        "name": "New Snapshot",
-        "description": "Printed from Snaps",                               
+        "name": "Snapshot by " + MyAvatar.sessionDisplayName,
+        "description": "Printed from SNAP app",                               
         "modelURL": POLAROID_MODEL_URL,
 
-        "dimensions": { "x": 0.5667, "y": 0.0212, "z": 0.4176 },
+        "dimensions": { "x": 0.5667, "y": 0.042, "z": 0.4176 },
         "position": model_pos,
         "rotation": model_rot,
 
@@ -307,9 +307,9 @@ function printToPolaroid(image_url) {
 
         "density": 200,
         "restitution": 0.15,                            
-        "gravity": { "x": 0, "y": -4.5, "z": 0 },
+        "gravity": { "x": 0, "y": -2.5, "z": 0 },
         
-        "velocity": { "x": 0, "y": 3.5, "z": 0 },
+        "velocity": { "x": 0, "y": 1.95, "z": 0 },
         "angularVelocity": { "x": -1.0, "y": 0, "z": -1.3 },
 
         "dynamic": true, 
@@ -438,11 +438,6 @@ function takeSnapshot() {
     isUploadingPrintableStill = true;
     updatePrintPermissions();
 
-    // Raising the desktop for the share dialog at end will interact badly with clearOverlayWhenMoving.
-    // Turn it off now, before we start futzing with things (and possibly moving).
-    clearOverlayWhenMoving = MyAvatar.getClearOverlayWhenMoving(); // Do not use Settings. MyAvatar keeps a separate copy.
-    MyAvatar.setClearOverlayWhenMoving(false);
-
     // We will record snapshots based on the starting location. That could change, e.g., when recording a .gif.
     // Even the domainID could change (e.g., if the user falls into a teleporter while recording).
     href = location.href;
@@ -544,9 +539,6 @@ function stillSnapshotTaken(pathStillSnapshot, notify) {
     // last element in data array tells dialog whether we can share or not
     Settings.setValue("previousStillSnapPath", pathStillSnapshot);
 
-    if (clearOverlayWhenMoving) {
-        MyAvatar.setClearOverlayWhenMoving(true); // not until after the share dialog
-    }
     HMD.openTablet();
 
     isDomainOpen(domainID, function (canShare) {
@@ -590,9 +582,6 @@ function processingGifStarted(pathStillSnapshot) {
     }
     Settings.setValue("previousStillSnapPath", pathStillSnapshot);
 
-    if (clearOverlayWhenMoving) {
-        MyAvatar.setClearOverlayWhenMoving(true); // not until after the share dialog
-    }
     HMD.openTablet();
     
     isDomainOpen(domainID, function (canShare) {