diff --git a/indra/llcommon/llstring.cpp b/indra/llcommon/llstring.cpp
index 33b55d843cabf4cfc3513d660c7545afcb7d37f2..ae7e624a1a1cc4aca4847e686c471dec5947932e 100644
--- a/indra/llcommon/llstring.cpp
+++ b/indra/llcommon/llstring.cpp
@@ -1112,7 +1112,7 @@ bool LLStringUtil::formatDatetime(std::string& replacement, std::string token,
 	else if(LLStringOps::sMonthList.size() == 12 && code == "%B")
 	{
 		struct tm * gmt = gmtime (&loc_seconds);
-		replacement = LLStringOps::sWeekDayList[gmt->tm_mon];
+		replacement = LLStringOps::sMonthList[gmt->tm_mon];
 	}
 	else if( !LLStringOps::sDayFormat.empty() && code == "%d" )
 	{
diff --git a/indra/newview/CMakeLists.txt b/indra/newview/CMakeLists.txt
index d685e6ae362d72d9cadad287840e705ffdb4f517..382bbaeba16a2e63482bbe959a57d2c1d9d70e9b 100644
--- a/indra/newview/CMakeLists.txt
+++ b/indra/newview/CMakeLists.txt
@@ -1485,6 +1485,7 @@ if (WINDOWS)
       ${GOOGLE_PERF_TOOLS_SOURCE}
       ${CMAKE_CURRENT_SOURCE_DIR}/licenses-win32.txt
       ${CMAKE_CURRENT_SOURCE_DIR}/featuretable.txt
+      ${CMAKE_CURRENT_SOURCE_DIR}/featuretable_xp.txt
       ${CMAKE_CURRENT_SOURCE_DIR}/dbghelp.dll
       ${CMAKE_CURRENT_SOURCE_DIR}/fmod.dll
       ${ARCH_PREBUILT_DIRS_RELEASE}/libeay32.dll
diff --git a/indra/newview/lloutfitslist.cpp b/indra/newview/lloutfitslist.cpp
index cf0b3d94bda01291026dea34d034e7a10c5cca19..c0f7fa4abfb04f68d9049ef7ed6eca3216e47a82 100644
--- a/indra/newview/lloutfitslist.cpp
+++ b/indra/newview/lloutfitslist.cpp
@@ -85,7 +85,7 @@ class LLOutfitListGearMenu
 
 		registrar.add("Gear.WearAdd", boost::bind(&LLOutfitListGearMenu::onAdd, this));
 
-		enable_registrar.add("Gear.OnEnable", boost::bind(&LLOutfitsList::isActionEnabled, mOutfitList, _2));
+		enable_registrar.add("Gear.OnEnable", boost::bind(&LLOutfitListGearMenu::onEnable, this, _2));
 		enable_registrar.add("Gear.OnVisible", boost::bind(&LLOutfitListGearMenu::onVisible, this, _2));
 
 		mMenu = LLUICtrlFactory::getInstance()->createFromFile<LLMenuGL>(
@@ -155,27 +155,11 @@ class LLOutfitListGearMenu
 
 	void onTakeOff()
 	{
-		// Take off selected items if there are any
-		if (mOutfitList->hasItemSelected())
-		{
-			uuid_vec_t selected_uuids;
-			mOutfitList->getSelectedItemsUUIDs(selected_uuids);
-
-			for (uuid_vec_t::const_iterator it=selected_uuids.begin(); it != selected_uuids.end(); ++it)
-			{
-				if (get_is_item_worn(*it))
-				{
-					LLAppearanceMgr::instance().removeItemFromAvatar(*it);
-				}
-			}
-		}
-		else // or take off the whole selected outfit if no items specified.
+		// Take off selected outfit.
+		const LLUUID& selected_outfit_id = getSelectedOutfitID();
+		if (selected_outfit_id.notNull())
 		{
-			const LLUUID& selected_outfit_id = getSelectedOutfitID();
-			if (selected_outfit_id.notNull())
-			{
-				LLAppearanceMgr::instance().takeOffOutfit(selected_outfit_id);
-			}
+			LLAppearanceMgr::instance().takeOffOutfit(selected_outfit_id);
 		}
 	}
 
@@ -209,6 +193,20 @@ class LLOutfitListGearMenu
 		LLAgentWearables::createWearable(type, true);
 	}
 
+	bool onEnable(LLSD::String param)
+	{
+		// Handle the "Wear - Replace Current Outfit" menu option specially
+		// because LLOutfitList::isActionEnabled() checks whether it's allowed
+		// to wear selected outfit OR selected items, while we're only
+		// interested in the outfit (STORM-183).
+		if ("wear" == param)
+		{
+			return LLAppearanceMgr::instance().getCanReplaceCOF(mOutfitList->getSelectedOutfitUUID());
+		}
+
+		return mOutfitList->isActionEnabled(param);
+	}
+
 	bool onVisible(LLSD::String param)
 	{
 		const LLUUID& selected_outfit_id = getSelectedOutfitID();
diff --git a/indra/newview/llpanellandmarks.cpp b/indra/newview/llpanellandmarks.cpp
index ff15e3f08ed09b09afc7c5a12248dd05088d202b..24bf67a000a19ba1b679ac1c0a31f98e3c1fbdc5 100644
--- a/indra/newview/llpanellandmarks.cpp
+++ b/indra/newview/llpanellandmarks.cpp
@@ -965,12 +965,32 @@ bool LLLandmarksPanel::isActionEnabled(const LLSD& userdata) const
 			|| "expand"		== command_name
 			)
 	{
-		return canSelectedBeModified(command_name);
+		if (!root_folder_view) return false;
+
+		std::set<LLUUID> selected_uuids = root_folder_view->getSelectionList();
+
+		// Allow to execute the command only if it can be applied to all selected items.
+		for (std::set<LLUUID>::const_iterator iter = selected_uuids.begin(); iter != selected_uuids.end(); ++iter)
+		{
+			LLFolderViewItem* item = root_folder_view->getItemByID(*iter);
+
+			// If no item is found it might be a folder id.
+			if (!item)
+			{
+				item = root_folder_view->getFolderByID(*iter);
+			}
+			if (!item) return false;
+
+			if (!canItemBeModified(command_name, item)) return false;
+		}
+
+		return true;
 	}
 	else if (  "teleport"		== command_name
 			|| "more_info"		== command_name
 			|| "show_on_map"	== command_name
 			|| "copy_slurl"		== command_name
+			|| "rename"			== command_name
 			)
 	{
 		// disable some commands for multi-selection. EXT-1757
@@ -994,13 +1014,16 @@ bool LLLandmarksPanel::isActionEnabled(const LLSD& userdata) const
 			// Disable "Show on Map" if landmark loading is in progress.
 			return !gLandmarkList.isAssetInLoadedCallbackMap(asset_uuid);
 		}
+		else if ("rename" == command_name)
+		{
+			LLFolderViewItem* selected_item = getCurSelectedItem();
+			if (!selected_item) return false;
+
+			return canItemBeModified(command_name, selected_item);
+		}
 
 		return true;
 	}
-	else if ("rename" == command_name)
-	{
-		return root_folder_view && root_folder_view->getSelectedCount() == 1 && canSelectedBeModified(command_name);
-	}
 	else if("category" == command_name)
 	{
 		// we can add folder only in Landmarks Accordion
@@ -1065,12 +1088,11 @@ Processes such actions: cut/rename/delete/paste actions
  4. We can not paste folders from Clipboard (processed by LLFolderView::canPaste())
  5. Check LLFolderView/Inventory Bridges rules
  */
-bool LLLandmarksPanel::canSelectedBeModified(const std::string& command_name) const
+bool LLLandmarksPanel::canItemBeModified(const std::string& command_name, LLFolderViewItem* item) const
 {
 	// validate own rules first
 
-	LLFolderViewItem* selected = getCurSelectedItem();
-	if (!selected) return false;
+	if (!item) return false;
 
 	// nothing can be modified in Library
 	if (mLibraryInventoryPanel == mCurrentSelectedList) return false;
@@ -1078,7 +1100,7 @@ bool LLLandmarksPanel::canSelectedBeModified(const std::string& command_name) co
 	bool can_be_modified = false;
 
 	// landmarks can be modified in any other accordion...
-	if (isLandmarkSelected())
+	if (item->getListener()->getInventoryType() == LLInventoryType::IT_LANDMARK)
 	{
 		can_be_modified = true;
 
@@ -1107,16 +1129,16 @@ bool LLLandmarksPanel::canSelectedBeModified(const std::string& command_name) co
 	}
 	else if ("collapse" == command_name)
 	{
-		return selected->isOpen();
+		return item->isOpen();
 	}
 	else if ("expand" == command_name)
 	{
-		return !selected->isOpen();
+		return !item->isOpen();
 	}
 
 	if (can_be_modified)
 	{
-		LLFolderViewEventListener* listenerp = selected->getListener();
+		LLFolderViewEventListener* listenerp = item->getListener();
 
 		if ("cut" == command_name)
 		{
diff --git a/indra/newview/llpanellandmarks.h b/indra/newview/llpanellandmarks.h
index 2b398deccedcb4229b29bbaa192cea977d098ffd..0d4402d8cb5609ee33766872695f3455ae80d745 100644
--- a/indra/newview/llpanellandmarks.h
+++ b/indra/newview/llpanellandmarks.h
@@ -127,12 +127,12 @@ class LLLandmarksPanel : public LLPanelPlacesTab, LLRemoteParcelInfoObserver
 	void onCustomAction(const LLSD& command_name);
 
 	/**
-	 * Determines if selected item can be modified via context/gear menu.
+	 * Determines if an item can be modified via context/gear menu.
 	 *
 	 * It validates Places Landmarks rules first. And then LLFolderView permissions.
 	 * For now it checks cut/rename/delete/paste actions.
 	 */
-	bool canSelectedBeModified(const std::string& command_name) const;
+	bool canItemBeModified(const std::string& command_name, LLFolderViewItem* item) const;
 	void onPickPanelExit( LLPanelPickEdit* pick_panel, LLView* owner, const LLSD& params);
 
 	/**
diff --git a/indra/newview/llpanelplaceprofile.cpp b/indra/newview/llpanelplaceprofile.cpp
index ee30c928c29045537639de9b5431c9e6f64a60e3..801db1e7418d6fe3e4262a7cce8ed46000ebc5c9 100644
--- a/indra/newview/llpanelplaceprofile.cpp
+++ b/indra/newview/llpanelplaceprofile.cpp
@@ -230,6 +230,11 @@ void LLPanelPlaceProfile::setInfoType(EInfoType type)
 		break;
 	}
 
+	if (mAccordionCtrl != NULL)
+	{
+		mAccordionCtrl->expandDefaultTab();
+	}
+
 	LLPanelPlaceInfo::setInfoType(type);
 }
 
@@ -274,11 +279,6 @@ void LLPanelPlaceProfile::handleVisibilityChange(BOOL new_visibility)
 			parcel_mgr->deselectUnused();
 		}
 	}
-
-	if (mAccordionCtrl != NULL)
-	{
-		mAccordionCtrl->expandDefaultTab();
-	}
 }
 
 void LLPanelPlaceProfile::displaySelectedParcelInfo(LLParcel* parcel,
diff --git a/indra/newview/llsidepaneliteminfo.cpp b/indra/newview/llsidepaneliteminfo.cpp
index 731079fb5d6fc6a45c2e503e706903111f273ce9..e41bbe43df82675cb2939ba0deef8ae4a160ee61 100644
--- a/indra/newview/llsidepaneliteminfo.cpp
+++ b/indra/newview/llsidepaneliteminfo.cpp
@@ -75,7 +75,40 @@ void LLItemPropertiesObserver::changed(U32 mask)
 	}
 }
 
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+// Class LLObjectInventoryObserver
+//
+// Helper class to watch for changes in an object inventory.
+// Used to update item properties in LLSidepanelItemInfo.
+//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+class LLObjectInventoryObserver : public LLVOInventoryListener
+{
+public:
+	LLObjectInventoryObserver(LLSidepanelItemInfo* floater, LLViewerObject* object)
+		: mFloater(floater)
+	{
+		registerVOInventoryListener(object, NULL);
+	}
+	virtual ~LLObjectInventoryObserver()
+	{
+		removeVOInventoryListener();
+	}
+	/*virtual*/ void inventoryChanged(LLViewerObject* object,
+									  LLInventoryObject::object_list_t* inventory,
+									  S32 serial_num,
+									  void* user_data);
+private:
+	LLSidepanelItemInfo* mFloater;
+};
 
+/*virtual*/
+void LLObjectInventoryObserver::inventoryChanged(LLViewerObject* object,
+												 LLInventoryObject::object_list_t* inventory,
+												 S32 serial_num,
+												 void* user_data)
+{
+	mFloater->dirty();
+}
 
 ///----------------------------------------------------------------------------
 /// Class LLSidepanelItemInfo
@@ -86,6 +119,7 @@ static LLRegisterPanelClassWrapper<LLSidepanelItemInfo> t_item_info("sidepanel_i
 // Default constructor
 LLSidepanelItemInfo::LLSidepanelItemInfo()
   : mItemID(LLUUID::null)
+  , mObjectInventoryObserver(NULL)
 {
 	mPropertiesObserver = new LLItemPropertiesObserver(this);
 	
@@ -97,6 +131,8 @@ LLSidepanelItemInfo::~LLSidepanelItemInfo()
 {
 	delete mPropertiesObserver;
 	mPropertiesObserver = NULL;
+
+	stopObjectInventoryObserver();
 }
 
 // virtual
@@ -134,6 +170,10 @@ BOOL LLSidepanelItemInfo::postBuild()
 void LLSidepanelItemInfo::setObjectID(const LLUUID& object_id)
 {
 	mObjectID = object_id;
+
+	// Start monitoring changes in the object inventory to update
+	// selected inventory item properties in Item Profile panel. See STORM-148.
+	startObjectInventoryObserver();
 }
 
 void LLSidepanelItemInfo::setItemID(const LLUUID& item_id)
@@ -147,6 +187,8 @@ void LLSidepanelItemInfo::reset()
 
 	mObjectID = LLUUID::null;
 	mItemID = LLUUID::null;
+
+	stopObjectInventoryObserver();
 }
 
 void LLSidepanelItemInfo::refresh()
@@ -600,6 +642,33 @@ void LLSidepanelItemInfo::refreshFromItem(LLViewerInventoryItem* item)
 	}
 }
 
+void LLSidepanelItemInfo::startObjectInventoryObserver()
+{
+	if (!mObjectInventoryObserver)
+	{
+		stopObjectInventoryObserver();
+
+		// Previous object observer should be removed before starting to observe a new object.
+		llassert(mObjectInventoryObserver == NULL);
+	}
+
+	if (mObjectID.isNull())
+	{
+		llwarns << "Empty object id passed to inventory observer" << llendl;
+		return;
+	}
+
+	LLViewerObject* object = gObjectList.findObject(mObjectID);
+
+	mObjectInventoryObserver = new LLObjectInventoryObserver(this, object);
+}
+
+void LLSidepanelItemInfo::stopObjectInventoryObserver()
+{
+	delete mObjectInventoryObserver;
+	mObjectInventoryObserver = NULL;
+}
+
 void LLSidepanelItemInfo::onClickCreator()
 {
 	LLViewerInventoryItem* item = findItem();
diff --git a/indra/newview/llsidepaneliteminfo.h b/indra/newview/llsidepaneliteminfo.h
index 82ebbfa7ecb5a5543bb9d0c10c38cf6baafef7be..10e93dd7de513148daec39f0da76cb5d7cd2d35d 100644
--- a/indra/newview/llsidepaneliteminfo.h
+++ b/indra/newview/llsidepaneliteminfo.h
@@ -37,6 +37,7 @@
 class LLButton;
 class LLViewerInventoryItem;
 class LLItemPropertiesObserver;
+class LLObjectInventoryObserver;
 class LLViewerObject;
 class LLPermissions;
 
@@ -63,9 +64,13 @@ class LLSidepanelItemInfo : public LLSidepanelInventorySubpanel
 	void refreshFromItem(LLViewerInventoryItem* item);
 
 private:
+	void startObjectInventoryObserver();
+	void stopObjectInventoryObserver();
+
 	LLUUID mItemID; 	// inventory UUID for the inventory item.
 	LLUUID mObjectID; 	// in-world task UUID, or null if in agent inventory.
 	LLItemPropertiesObserver* mPropertiesObserver; // for syncing changes to item
+	LLObjectInventoryObserver* mObjectInventoryObserver; // for syncing changes to items inside an object
 	
 	//
 	// UI Elements
diff --git a/indra/newview/llsidetray.cpp b/indra/newview/llsidetray.cpp
index 88e37b815f67556bc14e01c9ebf7cd02c9562843..9ee504cc4c2e6e0b56bb790b1dd7ce4b253abe9a 100644
--- a/indra/newview/llsidetray.cpp
+++ b/indra/newview/llsidetray.cpp
@@ -568,8 +568,9 @@ void LLSideTray::toggleTabButton(LLSideTrayTab* tab)
 	{
 		LLButton* btn = it->second;
 		bool new_state = !btn->getToggleState();
-		btn->setToggleState(new_state); 
-		btn->setImageOverlay( new_state ? tab->mImageSelected : tab->mImage );
+		btn->setToggleState(new_state);
+		// Only highlight the tab if side tray is expanded (STORM-157).
+		btn->setImageOverlay( new_state && !getCollapsed() ? tab->mImageSelected : tab->mImage );
 	}
 }
 
@@ -762,8 +763,15 @@ bool LLSideTray::removeTab(LLSideTrayTab* tab)
 	// Deselect the tab.
 	if (mActiveTab == tab)
 	{
-		child_vector_iter_t next_tab_it =
-				(tab_it < (mTabs.end() - 1)) ? tab_it + 1 : mTabs.begin();
+		// Select the next tab (or first one, if we're removing the last tab),
+		// skipping the fake open/close tab (STORM-155).
+		child_vector_iter_t next_tab_it = tab_it;
+		do
+		{
+			next_tab_it = (next_tab_it < (mTabs.end() - 1)) ? next_tab_it + 1 : mTabs.begin();
+		}
+		while ((*next_tab_it)->getName() == "sidebar_openclose");
+
 		selectTabByName((*next_tab_it)->getName(), true); // Don't hide the tab being removed.
 	}
 
diff --git a/indra/newview/viewer_manifest.py b/indra/newview/viewer_manifest.py
index 08ba8c13b1f529d61ad130d7db55823c84360591..949fa3cc1c513d3b30574c7a9c1de4d517903c7a 100644
--- a/indra/newview/viewer_manifest.py
+++ b/indra/newview/viewer_manifest.py
@@ -310,6 +310,7 @@ def construct(self):
 
         self.path(src="licenses-win32.txt", dst="licenses.txt")
         self.path("featuretable.txt")
+        self.path("featuretable_xp.txt")
 
         # For use in crash reporting (generates minidumps)
         self.path("dbghelp.dll")