diff --git a/chrome/content/zotero/xpcom/connector/cachedTypes.js b/chrome/content/zotero/xpcom/connector/cachedTypes.js
index 182f6caccf..ee81017d1d 100644
--- a/chrome/content/zotero/xpcom/connector/cachedTypes.js
+++ b/chrome/content/zotero/xpcom/connector/cachedTypes.js
@@ -30,42 +30,49 @@
 /**
  * @namespace
  */
-if(!Zotero.Connector) Zotero.Connector = {};
-Zotero.Connector.Types = new function() {
+Zotero.Connector_Types = new function() {
 	/**
 	 * Initializes types
 	 * @param {Object} typeSchema typeSchema generated by Zotero.Connector.GetData#_generateTypeSchema
 	 */
-	this.init = function(typeSchema) {
+	this.init = function() {
 		const schemaTypes = ["itemTypes", "creatorTypes", "fields"];
 		
 		// attach IDs and make referenceable by either ID or name
 		for(var i=0; i<schemaTypes.length; i++) {
 			var schemaType = schemaTypes[i];
-			this[schemaType] = typeSchema[schemaType];
+			this[schemaType] = Zotero.Utilities.deepCopy(Zotero.Connector_Types.schema[schemaType]);
 			for(var id in this[schemaType]) {
 				var entry = this[schemaType][id];
-				entry.id = id;
+				entry.id = parseInt(id);
 				this[schemaType][entry.name] = entry;
 			}
 		}
 	}
+	
+	/**
+	 * Passes schema to a callback
+	 * @param {Function} callback
+	 */
+	this.getSchema = function(callback) {
+		callback(Zotero.Connector_Types.schema);
+	}
 }
 
 Zotero.CachedTypes = function() {
 	this.getID = function(idOrName) {
-		if(!Zotero.Connector.Types[this.schemaType][idOrName]) return false;
-		return Zotero.Connector.Types[this.schemaType][idOrName].id;
+		if(!Zotero.Connector_Types[this.schemaType][idOrName]) return false;
+		return Zotero.Connector_Types[this.schemaType][idOrName].id;
 	}
 	
 	this.getName = function(idOrName) {
-		if(!Zotero.Connector.Types[this.schemaType][idOrName]) return false;
-		return Zotero.Connector.Types[this.schemaType][idOrName].name;
+		if(!Zotero.Connector_Types[this.schemaType][idOrName]) return false;
+		return Zotero.Connector_Types[this.schemaType][idOrName].name;
 	}
 	
 	this.getLocalizedString = function(idOrName) {
-		if(!Zotero.Connector.Types[this.schemaType][idOrName]) return false;
-		return Zotero.Connector.Types[this.schemaType][idOrName].localizedString;
+		if(!Zotero.Connector_Types[this.schemaType][idOrName]) return false;
+		return Zotero.Connector_Types[this.schemaType][idOrName].localizedString;
 	}
 }
 
@@ -74,14 +81,14 @@ Zotero.ItemTypes = new function() {
 	Zotero.CachedTypes.call(this);
 	
 	this.getImageSrc = function(idOrName) {
-		if(!Zotero.Connector.Types["itemTypes"][idOrName]) return false;
+		if(!Zotero.Connector_Types["itemTypes"][idOrName]) return false;
 		
 		if(Zotero.isFx) {
-			return "chrome://zotero/skin/"+Zotero.Connector.Types["itemTypes"][idOrName].icon;
+			return "chrome://zotero/skin/"+Zotero.Connector_Types["itemTypes"][idOrName].icon;
 		} else if(Zotero.isChrome) {
-			return chrome.extension.getURL("images/"+Zotero.Connector.Types["itemTypes"][idOrName].icon);
+			return chrome.extension.getURL("images/"+Zotero.Connector_Types["itemTypes"][idOrName].icon);
 		} else if(Zotero.isSafari) {
-			return safari.extension.baseURI+"images/itemTypes/"+Zotero.Connector.Types["itemTypes"][idOrName].icon;
+			return safari.extension.baseURI+"images/itemTypes/"+Zotero.Connector_Types["itemTypes"][idOrName].icon;
 		}
 	}
 }
@@ -91,11 +98,11 @@ Zotero.CreatorTypes = new function() {
 	Zotero.CachedTypes.call(this);
 	
 	this.getTypesForItemType = function(idOrName) {
-		if(!Zotero.Connector.Types["itemTypes"][idOrName]) return false;
-		var itemType = Zotero.Connector.Types["itemTypes"][idOrName];
+		if(!Zotero.Connector_Types["itemTypes"][idOrName]) return false;
+		var itemType = Zotero.Connector_Types["itemTypes"][idOrName];
 		var creatorTypes = [];
 		for(var i=0; i<itemType.creatorTypes.length; i++) {
-			creatorTypes.push(Zotero.Connector.Types["creatorTypes"][itemType.creatorTypes[i]]);
+			creatorTypes.push(Zotero.Connector_Types["creatorTypes"][itemType.creatorTypes[i]]);
 		}
 		return creatorTypes;
 	}
@@ -107,10 +114,29 @@ Zotero.ItemFields = new function() {
 	
 	this.isValidForType = function(fieldIdOrName, typeIdOrName) {
 		// mimics itemFields.js
-		if(!Zotero.Connector.Types["fields"][fieldIdOrName]
-		   || !Zotero.Connector.Types["itemTypes"][typeIdOrName]) throw "Invalid field or type ID";
+		if(!Zotero.Connector_Types["fields"][fieldIdOrName]
+		   || !Zotero.Connector_Types["itemTypes"][typeIdOrName]) throw "Invalid field or type ID";
 		
-		return Zotero.Connector.Types["itemTypes"][typeIdOrName].fields.indexOf(
-			Zotero.Connector.Types["fields"][fieldIdOrName].id) !== -1;
+		return Zotero.Connector_Types["itemTypes"][typeIdOrName].fields.indexOf(
+			Zotero.Connector_Types["fields"][fieldIdOrName].id) !== -1;
+	}
+	
+	this.getFieldIDFromTypeAndBase = function(itemType, baseField) {
+		if(!Zotero.Connector_Types["fields"][baseField]
+		   || !Zotero.Connector_Types["itemTypes"][itemType]) throw "Invalid field or type ID";
+		
+		// get as ID
+		baseField = Zotero.Connector_Types["fields"][baseField].id;
+		
+		
+		// loop through base fields for item type
+		var baseFields = Zotero.Connector_Types["itemTypes"][itemType]["baseFields"];
+		for(var i in baseFields) {
+			if(baseFields[i] === baseField) {
+				return i;
+			}
+		}
+		
+		return false;
 	}
 }
\ No newline at end of file
diff --git a/chrome/content/zotero/xpcom/connector/connector.js b/chrome/content/zotero/xpcom/connector/connector.js
index 08542e4311..7a98b2cd59 100644
--- a/chrome/content/zotero/xpcom/connector/connector.js
+++ b/chrome/content/zotero/xpcom/connector/connector.js
@@ -27,63 +27,16 @@ Zotero.Connector = new function() {
 	const CONNECTOR_URI = "http://127.0.0.1:23119/";
 	const CONNECTOR_SERVER_API_VERSION = 1;
 	
-	this.isOnline = true;
-	this.haveRefreshedData = false;
-	this.data = null;
-	
-	/**
-	 * Called to initialize Zotero
-	 */
-	this.init = function() {
-		Zotero.Connector.getData();
-	}
+	this.isOnline = null;
 	
 	/**
 	 * Checks if Zotero is online and passes current status to callback
 	 * @param {Function} callback
 	 */
 	this.checkIsOnline = function(callback) {
-		if(Zotero.Connector.isOnline) {
-			callback(true);
-		} else {
-			Zotero.Connector.getData(callback);
-		}
-	}
-	
-	function _getDataFile() {
-		var dataFile = Zotero.getZoteroDirectory();
-		dataFile.append("connector.json");
-		return dataFile;
-	}
-	
-	/**
-	 * Serializes the Zotero.Connector.data object to localStorage/preferences
-	 * @param {String} [json] The 
-	 */
-	this.serializeData = function(json) {
-		if(!json) json = JSON.stringify(Zotero.Connector.data);
-		
-		if(Zotero.isFx) {
-			Zotero.File.putContents(_getDataFile(), json);
-		} else {
-			localStorage.data = json;
-		}
-	}
-	
-	/**
-	 * Unserializes the Zotero.Connector.data object from localStorage/preferences
-	 */
-	this.unserializeData = function() {
-		var data = null;
-		
-		if(Zotero.isFx) {
-			var dataFile = _getDataFile();
-			if(dataFile.exists()) data = Zotero.File.getContents(dataFile);
-		} else {
-			if(localStorage.data) data = localStorage.data;
-		}
-		
-		if(data) Zotero.Connector.data = JSON.parse(data);
+		Zotero.Connector.callMethod("ping", {}, function(status) {
+			callback(status !== false);
+		});
 	}
 
 	// saner descriptions of some HTTP error codes
@@ -95,116 +48,49 @@ Zotero.Connector = new function() {
 	this.EXCEPTION_METHOD_NOT_IMPLEMENTED = 501;
 	this.EXCEPTION_CODES = [0, 400, 404, 412, 500, 501];
 	
-	/**
-	 * Updates Zotero's status depending on the success or failure of a request
-	 *
-	 * @param	{Boolean}		isOnline		Whether or not Zotero was online
-	 * @param	{Function}		successCallback	Function to be called after loading new data if
-	 *		Zotero is online
-	 * @param	{Function}		failureCallback	Function to be called if Zotero is offline
-	 *
-	 * Calls Zotero.Connector.Browser.onStateChange(isOnline, method, context) if status has changed
-	 */
-	 function _checkState(isOnline, callback) {
-		if(isOnline) {
-			if(Zotero.Connector.haveRefreshedData) {
-				if(callback) callback(true);
-			} else {
-				Zotero.Connector.getData(callback);
-			}
-		} else {
-			if(callback) callback(false, this.EXCEPTION_NOT_AVAILABLE);
-		}
-		
-		if(Zotero.Connector.isOnline !== isOnline) {
-			Zotero.Connector.isOnline = isOnline;
-			if(Zotero.Connector_Browser && Zotero.Connector_Browser.onStateChange) {
-				Zotero.Connector_Browser.onStateChange(isOnline);
-			}
-		}
-		
-		return isOnline;
-	}
-	
-	/**
-	 * Loads list of translators and other relevant data from local Zotero instance
-	 *
-	 * @param	{Function}		successCallback	Function to be called after loading new data if
-	 *		Zotero is online
-	 * @param	{Function}		failureCallback	Function to be called if Zotero is offline
-	 */
-	this.getData = function(callback) {
-		Zotero.HTTP.doPost(CONNECTOR_URI+"connector/getData",
-			JSON.stringify({"browser":Zotero.browser, "apiVersion":CONNECTOR_SERVER_API_VERSION}),
-			function(req) {
-				var isOnline = req.status !== 0 && req.status !== 412;
-				
-				if(isOnline) {
-					// if request succeded, update data
-					Zotero.Connector.haveRefreshedData = true;
-					Zotero.Connector.serializeData(req.responseText);
-					Zotero.Connector.data = JSON.parse(req.responseText);
-				} else {
-					// if request failed, unserialize saved data
-					Zotero.Connector.unserializeData();
-				}
-				Zotero.Connector.Types.init(Zotero.Connector.data.schema);
-				
-				// update online state. this shouldn't loop, since haveRefreshedData should
-				// be true if isOnline is true.
-				_checkState(isOnline, callback);
-			}, {"Content-Type":"application/json"});
-	}
-	
-	/**
-	 * Gives callback an object containing schema and preferences from Zotero.Connector.data
-	 */
-	this.getSchemaAndPreferences = function(callback) {
-		if(Zotero.Connector.data) {
-			callback({"schema":Zotero.Connector.data["schema"],
-					"preferences":Zotero.Connector.data["preferences"]});
-			return;
-		}
-		
-		this.getData(function(success) {
-			if(success) {
-				callback({"schema":Zotero.Connector.data["schema"],
-						"preferences":Zotero.Connector.data["preferences"]});
-				return;
-			}
-			callback(false);
-		});
-	}
-	
 	/**
 	 * Sends the XHR to execute an RPC call.
 	 *
 	 * @param	{String}		method			RPC method. See documentation above.
 	 * @param	{Object}		data			RPC data. See documentation above.
-	 * @param	{Function}		successCallback	Function to be called if request succeeded.
-	 * @param	{Function}		failureCallback	Function to be called if request failed.
+	 * @param	{Function}		callback		Function to be called when requests complete.
 	 */
 	this.callMethod = function(method, data, callback) {
-		Zotero.HTTP.doPost(CONNECTOR_URI+"connector/"+method, JSON.stringify(data),
-			function(req) {
-				_checkState(req.status !== this.EXCEPTION_NOT_AVAILABLE
-					&& req.status !== this.EXCEPTION_INCOMPATIBLE_VERSION, function() {
-						if(!callback) return;
-						
-						if(Zotero.Connector.EXCEPTION_CODES.indexOf(req.status) !== -1) {
-							callback(false, req.status);
+		var newCallback = function(req) {
+			try {
+				var isOnline = req.status !== Zotero.Connector.EXCEPTION_NOT_AVAILABLE
+					&& req.status !== Zotero.Connector.EXCEPTION_INCOMPATIBLE_VERSION;
+				
+				if(Zotero.Connector.isOnline !== isOnline) {
+					Zotero.Connector.isOnline = isOnline;
+					if(Zotero.Connector_Browser && Zotero.Connector_Browser.onStateChange) {
+						Zotero.Connector_Browser.onStateChange(isOnline);
+					}
+				}
+				
+				if(Zotero.Connector.EXCEPTION_CODES.indexOf(req.status) !== -1) {
+					Zotero.debug("Connector: Method "+method+" failed");
+					if(callback) callback(false, req.status);
+				} else {
+					Zotero.debug("Connector: Method "+method+" succeeded");
+					var val = null;
+					if(req.responseText) {
+						if(req.getResponseHeader("Content-Type") === "application/json") {
+							val = JSON.parse(req.responseText);
 						} else {
-							var val = null;
-							if(req.responseText) {
-								if(req.getResponseHeader("Content-Type") === "application/json") {
-									val = JSON.parse(req.responseText);
-								} else {
-									val = req.responseText;
-								}
-							}
-							callback(val, req.status);
+							val = req.responseText;
 						}
-					});
-			}, {"Content-Type":"application/json"});
+					}
+					if(callback) callback(val, req.status);
+				}
+			} catch(e) {
+				Zotero.logError(e);
+				return;
+			}
+		};
+		var uri = CONNECTOR_URI+"connector/"+method;
+		
+		Zotero.HTTP.doPost(uri, JSON.stringify(data),
+			newCallback, {"Content-Type":"application/json"});
 	}
 }
\ No newline at end of file
diff --git a/chrome/content/zotero/xpcom/connector/connector_debug.js b/chrome/content/zotero/xpcom/connector/connector_debug.js
index 3175a5fb1c..095844a8ca 100644
--- a/chrome/content/zotero/xpcom/connector/connector_debug.js
+++ b/chrome/content/zotero/xpcom/connector/connector_debug.js
@@ -81,6 +81,6 @@ Zotero.Connector_Debug = new function() {
 				
 				var reportID = reported[0].getAttribute('reportID');
 				callback(true, reportID);
-			}, {"Content-Type":"application/octet-stream"});
+			}, {"Content-Type":"text/plain"});
 	}
 }
\ No newline at end of file
diff --git a/chrome/content/zotero/xpcom/connector/repo.js b/chrome/content/zotero/xpcom/connector/repo.js
new file mode 100644
index 0000000000..3e1fd9f703
--- /dev/null
+++ b/chrome/content/zotero/xpcom/connector/repo.js
@@ -0,0 +1,170 @@
+/*
+    ***** BEGIN LICENSE BLOCK *****
+    
+    Copyright © 2011 Center for History and New Media
+                     George Mason University, Fairfax, Virginia, USA
+                     http://zotero.org
+    
+    This file is part of Zotero.
+    
+    Zotero is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+    
+    Zotero is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Affero General Public License for more details.
+    
+    You should have received a copy of the GNU Affero General Public License
+    along with Zotero.  If not, see <http://www.gnu.org/licenses/>.
+    
+    ***** END LICENSE BLOCK *****
+*/
+
+const TRANSLATOR_CODE_PREFIX = "translatorCode-";
+Zotero.Repo = new function() {
+	var _nextCheck;
+	var _timeoutID;
+	
+	/**
+	 * Try to retrieve translator metadata from Zotero Standalone and initialize repository check
+	 * timer
+	 */
+	this.init = function() {
+		// get time of next check
+		_nextCheck = Zotero.Prefs.get("connector.repo.lastCheck.localTime")
+			+ZOTERO_CONFIG.REPOSITORY_CHECK_INTERVAL*1000;
+		
+		// update from standalone, but only cascade to repo if we are overdue
+		_updateFromStandalone(_nextCheck <= Date.now());
+	};
+	
+	/**
+	 * Reset all translators and code
+	 */
+	this.reset = function(callback) {
+		Zotero.Prefs.set("connector.repo.lastCheck.repoTime", 0);
+		this.update(true);
+	};
+	
+	/**
+	 * Force updating translators
+	 */
+	var update = this.update = function(reset, callback) {
+		_updateFromStandalone(true, reset);
+	};
+	
+	/**
+	 * Get translator code from repository
+	 * @param {String} translatorID ID of the translator to retrieve code for
+	 * @param {Function} callback Callback to pass code when retreived
+	 */
+	this.getTranslatorCode = function(translatorID, callback) {
+		// we might have code in localstorage
+		if(!Zotero.isFx) {
+			var localCode = localStorage[TRANSLATOR_CODE_PREFIX+translatorID];
+			if(localCode) {
+				callback(localCode);
+				return;
+			}
+		}
+		
+		// otherwise, try standalone
+		Zotero.Connector.callMethod("getTranslatorCode", {"translatorID":translatorID}, function(result) {
+			if(result) {
+				_haveCode(result, translatorID, callback);
+				return;
+			}
+			
+			// then try repo
+			Zotero.HTTP.doGet(ZOTERO_CONFIG.REPOSITORY_URL+"/code/"+translatorID, function(xmlhttp) {
+				_haveCode(xmlhttp.status === 200 ? xmlhttp.responseText : false, translatorID, callback);
+			});
+		});
+	};
+	
+	/**
+	 * Called when code has been retrieved from standalone or repo
+	 */
+	function _haveCode(code, translatorID, callback) {
+		if(!code) {
+			callback(false);
+			return;
+		}
+		
+		if(!Zotero.isFx) {
+			localStorage["translatorCode-"+translatorID] = Zotero.Translators.preprocessCode(code);
+		}
+		callback(code);
+	}
+	
+	/**
+	 * Retrieve translator metadata from Zotero Standalone
+	 * @param {Boolean} [tryRepoOnFailure] If true, run _updateFromRepo() if standalone cannot be
+	 *                                     contacted
+	 */
+	function _updateFromStandalone(tryRepoOnFailure, reset, callback) {
+		Zotero.Connector.callMethod("getTranslators", {}, function(result) {
+			if(!result && tryRepoOnFailure) {
+				_updateFromRepo(reset, callback);
+			} else {
+				_handleResponse(result, reset);
+				if(callback) callback(!!result);
+			}
+		});
+	}
+	
+	/**
+	 * Retrieve metadata from repository
+	 */
+	function _updateFromRepo(reset, callback) {
+		var url = ZOTERO_CONFIG.REPOSITORY_URL+"/metadata?last="+
+				Zotero.Prefs.get("connector.repo.lastCheck.repoTime");
+		
+		Zotero.HTTP.doGet(url, function(xmlhttp) {
+			var success = xmlhttp.status === 200;
+			_handleResponse(success ? JSON.parse(xmlhttp.responseText) : false, reset);
+			
+			if(success) {
+				var date = xmlhttp.getResponseHeader("Date");
+				Zotero.Prefs.set("connector.repo.lastCheck.repoTime",
+					Math.floor(Date.parse(date)/1000));
+			}
+			if(callback) callback(!!result);
+		});
+	}
+	
+	/**
+	 * Handle response from Zotero Standalone or repository and set timer for next update
+	 */
+	function _handleResponse(result, reset) {
+		// set up timer
+		var now = Date.now();
+		
+		if(result) {
+			Zotero.Translators.update(result, reset);
+			Zotero.Prefs.set("connector.repo.lastCheck.localTime", now);
+			Zotero.debug("Repo: Check succeeded");
+		} else {
+			Zotero.debug("Repo: Check failed");
+		}
+		
+		if(result || _nextCheck <= now) {
+			// if we failed a scheduled check, then use retry interval
+			_nextCheck = now+(result
+				? ZOTERO_CONFIG.REPOSITORY_CHECK_INTERVAL
+				: ZOTERO_CONFIG.REPOSITORY_RETRY_INTERVAL)*1000;
+		} else if(_timeoutID) {
+			// if we didn't fail a scheduled check and another is already scheduled, leave it
+			return;
+		}
+		
+		// remove old timeout and create a new one
+		if(_timeoutID) clearTimeout(_timeoutID);
+		var nextCheckIn = (_nextCheck-now+2000);
+		_timeoutID = setTimeout(update, nextCheckIn);
+		Zotero.debug("Repo: Next check in "+nextCheckIn);
+	}
+}
\ No newline at end of file
diff --git a/chrome/content/zotero/xpcom/connector/translate_item.js b/chrome/content/zotero/xpcom/connector/translate_item.js
index bced5f3f60..ab3cd0e5af 100644
--- a/chrome/content/zotero/xpcom/connector/translate_item.js
+++ b/chrome/content/zotero/xpcom/connector/translate_item.js
@@ -25,6 +25,9 @@
 
 Zotero.Translate.ItemSaver = function(libraryID, attachmentMode, forceTagType) {
 	this.newItems = [];
+	
+	this._itemsToSaveToServer = [];
+	this._timeoutID = null;
 }
 
 Zotero.Translate.ItemSaver.ATTACHMENT_MODE_IGNORE = 0;
@@ -43,6 +46,84 @@ Zotero.Translate.ItemSaver.prototype = {
 		
 		// save items
 		this.newItems.push(item);
-		Zotero.Connector.callMethod("saveItems", {"items":[item]}, function(success) {});
+		var me = this;
+		Zotero.Connector.callMethod("saveItems", {"items":[item]}, function(success) {
+			if(success === false && !Zotero.isFx) {
+				// attempt to save to server on a timer
+				if(me._timeoutID) clearTimeout(me._timeoutID);
+				me._itemsToSaveToServer.push(item);
+				setTimeout(function() { me._saveToServer() }, 2000);
+			}
+		});
+	},
+	
+	"_saveToServer":function() {
+		const IGNORE_FIELDS = ["seeAlso", "attachments", "complete"];
+		
+		// clear timeout, since saving has begin
+		this._timeoutID = null;
+		
+		var newItems = new Array(this._itemsToSaveToServer.length);
+		for(var i in this._itemsToSaveToServer) {
+			var item = this._itemsToSaveToServer[i];
+			var newItem = newItems[i] = {};
+			
+			var typeID = Zotero.ItemTypes.getID(item.itemType);
+			var fieldID;
+			for(var field in item) {
+				if(IGNORE_FIELDS.indexOf(field) !== -1) continue;
+				
+				var val = item[field];
+				
+				if(field === "itemType") {
+					newItem[field] = val;
+				} else if(field === "creators") {
+					// TODO normalize
+					newItem[field] = val;
+				} else if(field === "tags") {
+					// TODO normalize
+					newItem[field] = val;
+				} else if(field === "notes") {
+					// TODO normalize
+					newItem[field] = val;
+				} else if(fieldID = Zotero.ItemFields.getID(field)) {
+					// if content is not a string, either stringify it or delete it
+					if(typeof val !== "string") {
+						if(val || val === 0) {
+							val = val.toString();
+						} else {
+							continue;
+						}
+					}
+					
+					// map from base field if possible
+					var itemFieldID = Zotero.ItemFields.getFieldIDFromTypeAndBase(typeID, fieldID);
+					if(itemFieldID) {
+						newItem[Zotero.ItemFields.getName(itemFieldID)] = val;
+						continue;	// already know this is valid
+					}
+					
+					// if field is valid for this type, set field
+					if(Zotero.ItemFields.isValidForType(fieldID, typeID)) {
+						newItem[field] = val;
+					} else {
+						Zotero.debug("Translate: Discarded field "+field+": field not valid for type "+item.itemType, 3);
+					}
+				} else if(field !== "complete") {
+					Zotero.debug("Translate: Discarded unknown field "+field, 3);
+				}
+			}
+		}
+		
+		var url = 'users/%%USERID%%/items?key=%%APIKEY%%';
+		var payload = JSON.stringify({"items":newItems});
+		this._itemsToSaveToServer = [];
+		
+		Zotero.OAuth.doAuthenticatedPost(url, payload, function(status, message) {
+			if(!status) {
+				Zotero.Messaging.sendMessage("saveDialog_error", status);
+				throw new Error("Translate: Save to server failed: "+message);
+			}
+		}, true);
 	}
 };
\ No newline at end of file
diff --git a/chrome/content/zotero/xpcom/connector/translator.js b/chrome/content/zotero/xpcom/connector/translator.js
index 236ea15803..ff834230a0 100644
--- a/chrome/content/zotero/xpcom/connector/translator.js
+++ b/chrome/content/zotero/xpcom/connector/translator.js
@@ -36,15 +36,28 @@ Zotero.Translators = new function() {
 	
 	/**
 	 * Initializes translator cache, loading all relevant translators into memory
+	 * @param {Zotero.Translate[]} [translators] List of translators. If not specified, it will be
+	 *                                           retrieved from storage.
 	 */
-	this.init = function() {
+	this.init = function(translators) {
+		if(!translators) {
+			translators = [];
+			if(!Zotero.isFx && localStorage["translatorMetadata"]) {
+				try {
+					translators = JSON.parse(localStorage["translatorMetadata"]);
+					if(typeof translators !== "object") {
+						translators = [];
+					}
+				} catch(e) {}
+			}
+		}
+		
 		_cache = {"import":[], "export":[], "web":[], "search":[]};
 		_translators = {};
 		_initialized = true;
 		
 		// Build caches
-		var translators = Zotero.Connector.data.translators;
-		for(var i=0; i<translators.length; i++) {
+		for(var i in translators) {
 			var translator = new Zotero.Translator(translators[i]);
 			_translators[translator.translatorID] = translator;
 			
@@ -185,24 +198,104 @@ Zotero.Translators = new function() {
 	/**
 	 * Converts translators to JSON-serializable objects
 	 */
-	this.serialize = function(translator) {
+	this.serialize = function(translator, properties) {
 		// handle translator arrays
 		if(translator.length !== undefined) {
 			var newTranslators = new Array(translator.length);
 			for(var i in translator) {
-				newTranslators[i] = Zotero.Translators.serialize(translator[i]);
+				newTranslators[i] = Zotero.Translators.serialize(translator[i], properties);
 			}
 			return newTranslators;
 		}
 		
 		// handle individual translator
 		var newTranslator = {};
-		for(var i in PRESERVE_PROPERTIES) {
-			var property = PRESERVE_PROPERTIES[i];
+		for(var i in properties) {
+			var property = properties[i];
 			newTranslator[property] = translator[property];
 		}
 		return newTranslator;
 	}
+	
+	/**
+	 * Saves all translator data to localStorage
+	 */
+	this.update = function(newMetadata, reset) {
+		if(!_initialized) Zotero.Translators.init();
+		if(!newMetadata.length) return;
+		
+		if(reset) {
+			var serializedTranslators = newMetadata;
+			if(!Zotero.isFx) {
+				// clear cached translatorCode
+				Zotero.debug("Translators: Resetting translators");
+				for(var i in localStorage) {
+					if(i.substr(0, TRANSLATOR_CODE_PREFIX.length) === TRANSLATOR_CODE_PREFIX) {
+						delete localStorage[i];
+					}
+				}
+			}
+		} else {
+			var serializedTranslators = [];
+			var hasChanged = false;
+			
+			// Update translators with new metadata
+			for(var i in newMetadata) {
+				var newTranslator = new Zotero.Translator(newMetadata[i]);
+				
+				if(_translators.hasOwnProperty(newTranslator.translatorID)) {
+					if(_translators[newTranslator.translatorID].lastUpdated !== newTranslator.lastUpdated) {
+						if(!Zotero.isFx) {
+							// if lastUpdated does not match between old and new translator
+							// invalidate translator code cache
+							delete localStorage["translatorCode-"+newTranslator.translatorID];
+						}
+						
+						Zotero.debug("Translators: Updating "+newTranslator.label);
+						hasChanged = true;
+					}
+				} else {
+					Zotero.debug("Translators: Adding "+newTranslator.label);
+					hasChanged = true;
+				}
+				
+				_translators[newTranslator.translatorID] = newTranslator;
+			}
+			
+			if(!hasChanged) return;
+			
+			// Serialize translators
+			for(var i in _translators) {
+				var serializedTranslator = this.serialize(_translators[i], TRANSLATOR_SAVE_PROPERTIES);
+				
+				// don't save run mode
+				delete serializedTranslator.runMode;
+				
+				serializedTranslators.push(serializedTranslator);
+			}
+		}
+		
+		// Store
+		if(!Zotero.isFx) {
+			localStorage["translatorMetadata"] = JSON.stringify(serializedTranslators);
+		}
+		
+		// Reinitialize
+		Zotero.Translators.init(serializedTranslators);
+	}
+	
+	/**
+	 * Preprocesses code for a translator
+	 */
+	this.preprocessCode = function(code) {
+		if(!Zotero.isFx) {
+			const foreach = /^(\s*)for each\s*\((var )?([^ ]+) in (.*?)\)(\s*){/gm;
+			code = code.replace(foreach, "$1var $3_zForEachSubject = $4; "+
+				"for(var $3_zForEachIndex in $3_zForEachSubject)$5{ "+
+				"$2$3 = $3_zForEachSubject[$3_zForEachIndex];", code);
+		}
+		return code;
+	}
 }
 
 /**
@@ -242,10 +335,11 @@ Zotero.Translators.CodeGetter.prototype.getCodeFor = function(i) {
 	}
 }
 
-const TRANSLATOR_PROPERTIES = ["translatorID", "translatorType", "label", "creator", "target",
-		"priority", "browserSupport"];
-var PRESERVE_PROPERTIES = TRANSLATOR_PROPERTIES.concat(["displayOptions", "configOptions",
-		"code", "runMode"]);
+const TRANSLATOR_REQUIRED_PROPERTIES = ["translatorID", "translatorType", "label", "creator", "target",
+		"priority"];
+var TRANSLATOR_PASSING_PROPERTIES = TRANSLATOR_REQUIRED_PROPERTIES.concat(["displayOptions", "configOptions",
+		"browserSupport", "code", "runMode"]);
+var TRANSLATOR_SAVE_PROPERTIES = TRANSLATOR_REQUIRED_PROPERTIES.concat(["browserSupport"]);
 /**
  * @class Represents an individual translator
  * @constructor
@@ -270,8 +364,8 @@ var PRESERVE_PROPERTIES = TRANSLATOR_PROPERTIES.concat(["displayOptions", "confi
  */
 Zotero.Translator = function(info) {
 	// make sure we have all the properties
-	for(var i in TRANSLATOR_PROPERTIES) {
-		var property = TRANSLATOR_PROPERTIES[i];
+	for(var i in TRANSLATOR_REQUIRED_PROPERTIES) {
+		var property = TRANSLATOR_REQUIRED_PROPERTIES[i];
 		if(info[property] === undefined) {
 			this.logError('Missing property "'+property+'" in translator metadata JSON object in ' + info.label);
 			haveMetadata = false;
@@ -281,7 +375,9 @@ Zotero.Translator = function(info) {
 		}
 	}
 	
-	if(info["browserSupport"].indexOf(Zotero.browser) !== -1) {
+	this.browserSupport = info["browserSupport"] ? info["browserSupport"] : "g";
+	
+	if(this.browserSupport.indexOf(Zotero.browser) !== -1) {
 		this.runMode = Zotero.Translator.RUN_MODE_IN_BROWSER;
 	} else {
 		this.runMode = Zotero.Translator.RUN_MODE_ZOTERO_STANDALONE;
@@ -313,12 +409,13 @@ Zotero.Translator.prototype.getCode = function(callback) {
 		callback(true);
 	} else {
 		var me = this;
-		Zotero.Connector.callMethod("getTranslatorCode", {"translatorID":this.translatorID},
+		Zotero.Repo.getTranslatorCode(this.translatorID,
 			function(code) {
 				if(!code) {
 					callback(false);
 				} else {
-					me.code = me.preprocessCode(code);
+					// cache code for session only (we have standalone anyway)
+					me.code = code;
 					callback(true);
 				}
 			}
@@ -326,20 +423,6 @@ Zotero.Translator.prototype.getCode = function(callback) {
 	}
 }
 
-/**
- * Preprocesses code for this translator
- */
-Zotero.Translator.prototype.preprocessCode = function(code) {
-	if(!Zotero.isFx) {
-		const foreach = /^(\s*)for each\s*\((var )?([^ ]+) in (.*?)\)(\s*){/gm;
-		code = code.replace(foreach, "$1var $3_zForEachSubject = $4; "+
-			"for(var $3_zForEachIndex in $3_zForEachSubject)$5{ "+
-			"$2$3 = $3_zForEachSubject[$3_zForEachIndex];", code);
-		Zotero.debug(code);
-	}
-	return code;
-}
-
 Zotero.Translator.prototype.__defineGetter__("displayOptions", function() {
 	return Zotero.Utilities.deepCopy(this._displayOptions);
 });
@@ -356,7 +439,7 @@ Zotero.Translator.prototype.__defineGetter__("configOptions", function() {
  * @param {Integer} colNumber
  */
 Zotero.Translator.prototype.logError = function(message, type, line, lineNumber, colNumber) {
-	Zotero.log(message, type ? type : "error", this.label);
+	Zotero.logError(message);
 }
 
 Zotero.Translator.RUN_MODE_IN_BROWSER = 1;
diff --git a/chrome/content/zotero/xpcom/connector/typeSchemaData.js b/chrome/content/zotero/xpcom/connector/typeSchemaData.js
new file mode 100644
index 0000000000..03f376c7c8
--- /dev/null
+++ b/chrome/content/zotero/xpcom/connector/typeSchemaData.js
@@ -0,0 +1 @@
+Zotero.Connector_Types.schema = {"itemTypes":{"1":{"name":"note","localizedString":"Note","creatorTypes":[],"fields":[],"baseFields":{},"icon":"treeitem-note.png"},"2":{"name":"book","localizedString":"Book","creatorTypes":[1,2,3,5,4],"fields":[110,90,3,30,4,45,6,7,8,14,118,87,11,116,1,27,123,19,62,18,2,22],"baseFields":{},"icon":"treeitem-book.png"},"3":{"name":"bookSection","localizedString":"Book Section","creatorTypes":[1,29,2,3,5,4],"fields":[110,90,115,3,30,4,45,6,7,8,14,10,87,11,116,1,27,123,19,62,18,2,22],"baseFields":{"115":false},"icon":"treeitem-bookSection.png"},"4":{"name":"journalArticle","localizedString":"Journal Article","creatorTypes":[1,2,3,27,4],"fields":[110,90,12,4,5,10,14,3,28,29,25,87,26,13,116,1,27,123,19,62,18,2,22],"baseFields":{},"icon":"treeitem-journalArticle.png"},"5":{"name":"magazineArticle","localizedString":"Magazine Article","creatorTypes":[1,2,27,4],"fields":[110,90,12,4,5,14,10,87,13,116,1,27,123,19,62,18,2,22],"baseFields":{},"icon":"treeitem-magazineArticle.png"},"6":{"name":"newspaperArticle","localizedString":"Newspaper Article","creatorTypes":[1,2,27,4],"fields":[110,90,12,7,6,14,15,10,87,116,13,1,27,123,19,62,18,2,22],"baseFields":{},"icon":"treeitem-newspaperArticle.png"},"7":{"name":"thesis","localizedString":"Thesis","creatorTypes":[1,2],"fields":[110,90,69,89,7,14,118,87,116,1,27,123,19,62,18,2,22],"baseFields":{"69":false,"89":false},"icon":"treeitem-thesis.png"},"8":{"name":"letter","localizedString":"Letter","creatorTypes":[1,2,16],"fields":[110,90,65,14,87,116,1,27,123,19,62,18,2,22],"baseFields":{"65":false},"icon":"treeitem-letter.png"},"9":{"name":"manuscript","localizedString":"Manuscript","creatorTypes":[1,2,4],"fields":[110,90,66,7,14,118,87,116,1,27,123,19,62,18,2,22],"baseFields":{"66":false},"icon":"treeitem-manuscript.png"},"10":{"name":"interview","localizedString":"Interview","creatorTypes":[6,2,7,4],"fields":[110,90,14,64,87,116,1,27,123,19,62,18,2,22],"baseFields":{"64":false},"icon":"treeitem-interview.png"},"11":{"name":"film","localizedString":"Film","creatorTypes":[8,2,10,9],"fields":[110,90,21,14,122,63,77,87,116,1,27,123,19,62,18,2,22],"baseFields":{"21":false,"122":false,"63":false},"icon":"treeitem-film.png"},"12":{"name":"artwork","localizedString":"Artwork","creatorTypes":[22,2],"fields":[110,90,59,61,14,87,116,123,19,62,18,1,27,2,22],"baseFields":{"59":false},"icon":"treeitem-artwork.png"},"13":{"name":"webpage","localizedString":"Web Page","creatorTypes":[1,2,4],"fields":[110,90,91,70,14,116,1,27,87,2,22],"baseFields":{"91":false,"70":false},"icon":"treeitem-webpage.png"},"14":{"name":"attachment","localizedString":"Attachment","creatorTypes":[],"fields":[110,27,1],"baseFields":{},"icon":"treeitem.png"},"15":{"name":"report","localizedString":"Report","creatorTypes":[1,2,5,4],"fields":[110,90,92,32,28,7,31,14,10,87,116,1,27,123,19,62,18,2,22],"baseFields":{"92":false,"32":false,"31":false},"icon":"treeitem-report.png"},"16":{"name":"bill","localizedString":"Bill","creatorTypes":[12,2,28],"fields":[110,90,93,36,94,15,95,41,40,42,14,87,1,27,116,2,22],"baseFields":{"93":false,"94":false,"95":false},"icon":"treeitem.png"},"17":{"name":"case","localizedString":"Case","creatorTypes":[1,2,13],"fields":[111,90,43,97,44,117,98,42,96,87,116,1,27,2,22],"baseFields":{"111":false,"97":false,"117":false,"98":false,"96":false},"icon":"treeitem.png"},"18":{"name":"hearing","localizedString":"Hearing","creatorTypes":[2],"fields":[110,90,46,7,8,45,99,10,41,40,42,14,87,116,1,27,2,22],"baseFields":{"99":false},"icon":"treeitem.png"},"19":{"name":"patent","localizedString":"Patent","creatorTypes":[14,15,2],"fields":[110,90,7,102,48,120,50,121,10,103,51,52,53,54,87,116,1,27,2,22],"baseFields":{"50":false,"52":false},"icon":"treeitem.png"},"20":{"name":"statute","localizedString":"Statute","creatorTypes":[1,2],"fields":[112,90,36,55,101,100,10,15,40,42,87,116,1,27,2,22],"baseFields":{"112":false,"101":false,"100":false},"icon":"treeitem.png"},"21":{"name":"email","localizedString":"E-mail","creatorTypes":[1,2,16],"fields":[113,90,14,116,1,27,87,2,22],"baseFields":{"113":false},"icon":"treeitem-email.png"},"22":{"name":"map","localizedString":"Map","creatorTypes":[20,2,5],"fields":[110,90,67,68,28,6,7,8,14,87,11,116,1,27,123,19,62,18,2,22],"baseFields":{"67":false},"icon":"treeitem-map.png"},"23":{"name":"blogPost","localizedString":"Blog Post","creatorTypes":[1,23,2],"fields":[110,90,107,70,14,1,27,87,116,2,22],"baseFields":{"107":false,"70":false},"icon":"treeitem-blogPost.png"},"24":{"name":"instantMessage","localizedString":"Instant Message","creatorTypes":[1,2,16],"fields":[110,90,14,87,116,1,27,2,22],"baseFields":{},"icon":"treeitem.png"},"25":{"name":"forumPost","localizedString":"Forum Post","creatorTypes":[1,2],"fields":[110,90,104,79,14,87,116,1,27,2,22],"baseFields":{"104":false,"79":false},"icon":"treeitem-forumPost.png"},"26":{"name":"audioRecording","localizedString":"Audio Recording","creatorTypes":[17,18,2,19],"fields":[110,90,71,28,4,45,7,72,14,77,87,11,116,123,19,62,18,1,27,2,22],"baseFields":{"71":false,"72":false},"icon":"treeitem-audioRecording.png"},"27":{"name":"presentation","localizedString":"Presentation","creatorTypes":[24,2],"fields":[110,90,74,14,7,75,1,27,87,116,2,22],"baseFields":{"74":false},"icon":"treeitem.png"},"28":{"name":"videoRecording","localizedString":"Video Recording","creatorTypes":[8,11,2,10,9],"fields":[110,90,63,28,4,45,7,76,14,77,87,11,116,1,27,123,19,62,18,2,22],"baseFields":{"63":false,"76":false},"icon":"treeitem-videoRecording.png"},"29":{"name":"tvBroadcast","localizedString":"TV Broadcast","creatorTypes":[8,11,2,25,10,9],"fields":[110,90,119,105,63,7,78,14,77,87,116,1,27,123,19,62,18,2,22],"baseFields":{"119":false,"105":false,"63":false,"78":false},"icon":"treeitem-tvBroadcast.png"},"30":{"name":"radioBroadcast","localizedString":"Radio Broadcast","creatorTypes":[8,11,2,25,10,9],"fields":[110,90,119,105,71,7,78,14,77,87,116,1,27,123,19,62,18,2,22],"baseFields":{"119":false,"105":false,"71":false,"78":false},"icon":"treeitem-radioBroadcast.png"},"31":{"name":"podcast","localizedString":"Podcast","creatorTypes":[26,2,25],"fields":[110,90,28,105,80,77,1,27,87,116,2,22],"baseFields":{"105":false,"80":false},"icon":"treeitem-podcast.png"},"32":{"name":"computerProgram","localizedString":"Computer Program","creatorTypes":[21,2],"fields":[110,90,28,81,14,82,7,83,88,11,116,1,2,123,19,62,18,27,22],"baseFields":{"83":false},"icon":"treeitem-computerProgram.png"},"33":{"name":"conferencePaper","localizedString":"Conference Paper","creatorTypes":[1,2,3,5,4],"fields":[110,90,14,114,84,7,8,4,10,3,87,26,11,116,1,27,123,19,62,18,2,22],"baseFields":{"114":false},"icon":"treeitem-conferencePaper.png"},"34":{"name":"document","localizedString":"Document","creatorTypes":[1,2,3,27,4],"fields":[110,90,8,14,87,116,1,27,123,19,62,18,2,22],"baseFields":{},"icon":"treeitem.png"},"35":{"name":"encyclopediaArticle","localizedString":"Encyclopedia Article","creatorTypes":[1,2,3,5,4],"fields":[110,90,85,3,30,4,45,6,7,8,14,10,11,116,1,27,87,123,19,62,18,2,22],"baseFields":{"85":false},"icon":"treeitem.png"},"36":{"name":"dictionaryEntry","localizedString":"Dictionary Entry","creatorTypes":[1,2,3,5,4],"fields":[110,90,86,3,30,4,45,6,7,8,14,10,87,11,116,1,27,123,19,62,18,2,22],"baseFields":{"86":false},"icon":"treeitem.png"}},"creatorTypes":{"1":{"name":"author","localizedString":"Author"},"2":{"name":"contributor","localizedString":"Contributor"},"3":{"name":"editor","localizedString":"Editor"},"4":{"name":"translator","localizedString":"Translator"},"5":{"name":"seriesEditor","localizedString":"Series Editor"},"6":{"name":"interviewee","localizedString":"Interview With"},"7":{"name":"interviewer","localizedString":"Interviewer"},"8":{"name":"director","localizedString":"Director"},"9":{"name":"scriptwriter","localizedString":"Scriptwriter"},"10":{"name":"producer","localizedString":"Producer"},"11":{"name":"castMember","localizedString":"Cast Member"},"12":{"name":"sponsor","localizedString":"Sponsor"},"13":{"name":"counsel","localizedString":"Counsel"},"14":{"name":"inventor","localizedString":"Inventor"},"15":{"name":"attorneyAgent","localizedString":"Attorney/Agent"},"16":{"name":"recipient","localizedString":"Recipient"},"17":{"name":"performer","localizedString":"Performer"},"18":{"name":"composer","localizedString":"Composer"},"19":{"name":"wordsBy","localizedString":"Words By"},"20":{"name":"cartographer","localizedString":"Cartographer"},"21":{"name":"programmer","localizedString":"Programmer"},"22":{"name":"artist","localizedString":"Artist"},"23":{"name":"commenter","localizedString":"Commenter"},"24":{"name":"presenter","localizedString":"Presenter"},"25":{"name":"guest","localizedString":"Guest"},"26":{"name":"podcaster","localizedString":"Podcaster"},"27":{"name":"reviewedAuthor","localizedString":"Reviewed Author"},"28":{"name":"cosponsor","localizedString":"Cosponsor"},"29":{"name":"bookAuthor","localizedString":"Book Author"}},"fields":{"1":{"name":"url","localizedString":"URL"},"2":{"name":"rights","localizedString":"Rights"},"3":{"name":"series","localizedString":"Series"},"4":{"name":"volume","localizedString":"Volume"},"5":{"name":"issue","localizedString":"Issue"},"6":{"name":"edition","localizedString":"Edition"},"7":{"name":"place","localizedString":"Place"},"8":{"name":"publisher","localizedString":"Publisher"},"10":{"name":"pages","localizedString":"Pages"},"11":{"name":"ISBN","localizedString":"ISBN"},"12":{"name":"publicationTitle","localizedString":"Publication"},"13":{"name":"ISSN","localizedString":"ISSN"},"14":{"name":"date","localizedString":"Date"},"15":{"name":"section","localizedString":"Section"},"18":{"name":"callNumber","localizedString":"Call Number"},"19":{"name":"archiveLocation","localizedString":"Loc. in Archive"},"21":{"name":"distributor","localizedString":"Distributor"},"22":{"name":"extra","localizedString":"Extra"},"25":{"name":"journalAbbreviation","localizedString":"Journal Abbr"},"26":{"name":"DOI","localizedString":"DOI"},"27":{"name":"accessDate","localizedString":"Accessed"},"28":{"name":"seriesTitle","localizedString":"Series Title"},"29":{"name":"seriesText","localizedString":"Series Text"},"30":{"name":"seriesNumber","localizedString":"Series Number"},"31":{"name":"institution","localizedString":"Institution"},"32":{"name":"reportType","localizedString":"Report Type"},"36":{"name":"code","localizedString":"Code"},"40":{"name":"session","localizedString":"Session"},"41":{"name":"legislativeBody","localizedString":"Legislative Body"},"42":{"name":"history","localizedString":"History"},"43":{"name":"reporter","localizedString":"Reporter"},"44":{"name":"court","localizedString":"Court"},"45":{"name":"numberOfVolumes","localizedString":"# of Volumes"},"46":{"name":"committee","localizedString":"Committee"},"48":{"name":"assignee","localizedString":"Assignee"},"50":{"name":"patentNumber","localizedString":"Patent Number"},"51":{"name":"priorityNumbers","localizedString":"Priority Numbers"},"52":{"name":"issueDate","localizedString":"Issue Date"},"53":{"name":"references","localizedString":"References"},"54":{"name":"legalStatus","localizedString":"Legal Status"},"55":{"name":"codeNumber","localizedString":"Code Number"},"59":{"name":"artworkMedium","localizedString":"Medium"},"60":{"name":"number","localizedString":"Number"},"61":{"name":"artworkSize","localizedString":"Artwork Size"},"62":{"name":"libraryCatalog","localizedString":"Library Catalog"},"63":{"name":"videoRecordingFormat","localizedString":"Format"},"64":{"name":"interviewMedium","localizedString":"Medium"},"65":{"name":"letterType","localizedString":"Type"},"66":{"name":"manuscriptType","localizedString":"Type"},"67":{"name":"mapType","localizedString":"Type"},"68":{"name":"scale","localizedString":"Scale"},"69":{"name":"thesisType","localizedString":"Type"},"70":{"name":"websiteType","localizedString":"Website Type"},"71":{"name":"audioRecordingFormat","localizedString":"Format"},"72":{"name":"label","localizedString":"Label"},"74":{"name":"presentationType","localizedString":"Type"},"75":{"name":"meetingName","localizedString":"Meeting Name"},"76":{"name":"studio","localizedString":"Studio"},"77":{"name":"runningTime","localizedString":"Running Time"},"78":{"name":"network","localizedString":"Network"},"79":{"name":"postType","localizedString":"Post Type"},"80":{"name":"audioFileType","localizedString":"File Type"},"81":{"name":"version","localizedString":"Version"},"82":{"name":"system","localizedString":"System"},"83":{"name":"company","localizedString":"Company"},"84":{"name":"conferenceName","localizedString":"Conference Name"},"85":{"name":"encyclopediaTitle","localizedString":"Encyclopedia Title"},"86":{"name":"dictionaryTitle","localizedString":"Dictionary Title"},"87":{"name":"language","localizedString":"Language"},"88":{"name":"programmingLanguage","localizedString":"Language"},"89":{"name":"university","localizedString":"University"},"90":{"name":"abstractNote","localizedString":"Abstract"},"91":{"name":"websiteTitle","localizedString":"Website Title"},"92":{"name":"reportNumber","localizedString":"Report Number"},"93":{"name":"billNumber","localizedString":"Bill Number"},"94":{"name":"codeVolume","localizedString":"Code Volume"},"95":{"name":"codePages","localizedString":"Code Pages"},"96":{"name":"dateDecided","localizedString":"Date Decided"},"97":{"name":"reporterVolume","localizedString":"Reporter Volume"},"98":{"name":"firstPage","localizedString":"First Page"},"99":{"name":"documentNumber","localizedString":"Document Number"},"100":{"name":"dateEnacted","localizedString":"Date Enacted"},"101":{"name":"publicLawNumber","localizedString":"Public Law Number"},"102":{"name":"country","localizedString":"Country"},"103":{"name":"applicationNumber","localizedString":"Application Number"},"104":{"name":"forumTitle","localizedString":"Forum/Listserv Title"},"105":{"name":"episodeNumber","localizedString":"Episode Number"},"107":{"name":"blogTitle","localizedString":"Blog Title"},"108":{"name":"type"},"109":{"name":"medium","localizedString":"Medium"},"110":{"name":"title","localizedString":"Title"},"111":{"name":"caseName","localizedString":"Case Name"},"112":{"name":"nameOfAct","localizedString":"Name of Act"},"113":{"name":"subject","localizedString":"Subject"},"114":{"name":"proceedingsTitle","localizedString":"Proceedings Title"},"115":{"name":"bookTitle","localizedString":"Book Title"},"116":{"name":"shortTitle","localizedString":"Short Title"},"117":{"name":"docketNumber","localizedString":"Docket Number"},"118":{"name":"numPages","localizedString":"# of Pages"},"119":{"name":"programTitle","localizedString":"Program Title"},"120":{"name":"issuingAuthority","localizedString":"Issuing Authority"},"121":{"name":"filingDate","localizedString":"Filing Date"},"122":{"name":"genre","localizedString":"Genre"},"123":{"name":"archive","localizedString":"Archive"}}}
\ No newline at end of file
diff --git a/chrome/content/zotero/xpcom/server_connector.js b/chrome/content/zotero/xpcom/server_connector.js
index 6ea90c526a..907f139236 100755
--- a/chrome/content/zotero/xpcom/server_connector.js
+++ b/chrome/content/zotero/xpcom/server_connector.js
@@ -23,7 +23,7 @@
     ***** END LICENSE BLOCK *****
 */
 
-const CONNECTOR_SERVER_API_VERSION = 1;
+const CONNECTOR_SERVER_API_VERSION = 2;
 
 Zotero.Server.Connector = function() {};
 Zotero.Server.Connector._waitingForSelection = {};
@@ -196,30 +196,13 @@ Zotero.Server.Connector.CookieManager.prototype = {
  * Lists all available translators, including code for translators that should be run on every page
  *
  * Accepts:
- *		browser - one-letter code of the current browser
- *			g = Gecko (Firefox)
- *			c = Google Chrome (WebKit & V8)
- *			s = Safari (WebKit & Nitro/Squirrelfish Extreme)
- *			i = Internet Explorer
+ *		Nothing
  * Returns:
- *		translators - Zotero.Translator objects
- *		schema		- Some information about the database. Currently includes:
- *			itemTypes
- *				name
- *				localizedString
- *				creatorTypes
- *				fields
- *				baseFields
- *			creatorTypes
- *				name
- *				localizedString
- *			fields
- *				name
- *				localizedString
+ *		Array of Zotero.Translator objects
  */
-Zotero.Server.Connector.GetData = function() {};
-Zotero.Server.Endpoints["/connector/getData"] = Zotero.Server.Connector.GetData;
-Zotero.Server.Connector.GetData.prototype = {
+Zotero.Server.Connector.GetTranslators = function() {};
+Zotero.Server.Endpoints["/connector/getTranslators"] = Zotero.Server.Connector.GetTranslators;
+Zotero.Server.Connector.GetTranslators.prototype = {
 	"supportedMethods":["POST"],
 	"supportedDataTypes":["application/json"],
 	
@@ -229,12 +212,8 @@ Zotero.Server.Connector.GetData.prototype = {
 	 * @param {Function} sendResponseCallback function to send HTTP response
 	 */
 	"init":function(data, sendResponseCallback) {
-		if(data.apiVersion !== CONNECTOR_SERVER_API_VERSION) {
-			sendResponseCallback(412);
-		}
-		
 		// Translator data
-		var responseData = {"preferences":{}, "translators":[]};
+		var responseData = [];
 		
 		// TODO only send necessary translators
 		var translators = Zotero.Translators.getAll();
@@ -247,68 +226,10 @@ Zotero.Server.Connector.GetData.prototype = {
 			
 			// Do not pass targetless translators that do not support this browser (since that
 			// would mean passing each page back to Zotero)
-			responseData.translators.push(serializableTranslator);
-		}
-		
-		// Various DB data (only sending what is required at the moment)
-		var systemVersion = Zotero.Schema.getDBVersion("system");
-		if(systemVersion != data.systemVersion) {
-			responseData.schema = this._generateTypeSchema();
-		}
-		
-		// Preferences
-		var prefs = Zotero.Prefs.prefBranch.getChildList("", {}, {});
-		for each(var pref in prefs) {
-			responseData.preferences[pref] = Zotero.Prefs.get(pref);
+			responseData.push(serializableTranslator);
 		}
 		
 		sendResponseCallback(200, "application/json", JSON.stringify(responseData));
-	},
-	
-	/**
-	 * Generates a type schema. This is used by connector/type.js to handle types without DB access.
-	 */
-	"_generateTypeSchema":function() {
-		var schema = {"itemTypes":{}, "creatorTypes":{}, "fields":{}};
-		var types = Zotero.ItemTypes.getTypes();
-		
-		var fieldIDs = Zotero.DB.columnQuery("SELECT fieldID FROM fieldsCombined");
-		var baseMappedFields = Zotero.ItemFields.getBaseMappedFields();
-		for each(var fieldID in fieldIDs) {
-			var fieldObj = {"name":Zotero.ItemFields.getName(fieldID)};
-			try {
-				fieldObj.localizedString = Zotero.getString("itemFields." + fieldObj.name)
-			} catch(e) {}
-			schema.fields[fieldID] = fieldObj;
-		}
-		
-		// names, localizedStrings, creatorTypes, and fields for each item type
-		for each(var type in types) {
-			var fieldIDs = Zotero.ItemFields.getItemTypeFields(type.id);
-			var baseFields = {};
-			for each(var fieldID in fieldIDs) {
-				if(baseMappedFields.indexOf(fieldID) !== -1) {
-					baseFields[fieldID] = Zotero.ItemFields.getFieldIDFromTypeAndBase(type.id, fieldID);
-				}
-			}
-			
-			var icon = Zotero.ItemTypes.getImageSrc(type.name);
-			icon = icon.substr(icon.lastIndexOf("/")+1);
-			
-			schema.itemTypes[type.id] = {"name":type.name,
-				"localizedString":Zotero.ItemTypes.getLocalizedString(type.name),
-				"creatorTypes":[creatorType.id for each(creatorType in Zotero.CreatorTypes.getTypesForItemType(type.id))],
-				"fields":fieldIDs, "baseFields":baseFields, "icon":icon};
-				
-		}
-		
-		var types = Zotero.CreatorTypes.getTypes();
-		for each(var type in types) {
-			schema.creatorTypes[type.id] = {"name":type.name,
-				"localizedString":Zotero.CreatorTypes.getLocalizedString(type.name)};
-		}
-		
-		return schema;
 	}
 }
 
@@ -610,4 +531,29 @@ Zotero.Server.Connector.GetTranslatorCode.prototype = {
 		var translator = Zotero.Translators.get(postData.translatorID);
 		sendResponseCallback(200, "application/javascript", translator.code);
 	}
+}
+
+
+/**
+ * Test connection
+ *
+ * Accepts:
+ *		Nothing
+ * Returns:
+ *		Nothing (200 OK response)
+ */
+Zotero.Server.Connector.Ping = function() {};
+Zotero.Server.Endpoints["/connector/ping"] = Zotero.Server.Connector.Ping;
+Zotero.Server.Connector.Ping.prototype = {
+	"supportedMethods":["POST"],
+	"supportedDataTypes":["application/json"],
+	
+	/**
+	 * Finishes up translation when item selection is complete
+	 * @param {String} data POST data or GET query string
+	 * @param {Function} sendResponseCallback function to send HTTP response
+	 */
+	"init":function(postData, sendResponseCallback) {
+		sendResponseCallback(200);
+	}
 }
\ No newline at end of file
diff --git a/chrome/content/zotero/xpcom/translation/translate.js b/chrome/content/zotero/xpcom/translation/translate.js
index d3b976decf..650e61824c 100644
--- a/chrome/content/zotero/xpcom/translation/translate.js
+++ b/chrome/content/zotero/xpcom/translation/translate.js
@@ -1633,7 +1633,7 @@ Zotero.Translate.Search.prototype.setTranslator = function(translator) {
  * translation fails
  */
 Zotero.Translate.Search.prototype.complete = function(returnValue, error) {
-	if(this._currentState == "translate" && !this.newItems.length) {
+	if(this._currentState == "translate" && (!this.newItems || !this.newItems.length)) {
 		Zotero.debug("Translate: Could not find a result using "+this.translator[0].label+": \n"
 					  +this._generateErrorString(error), 3);
 		if(this.translator.length > 1) {
diff --git a/chrome/content/zotero/xpcom/utilities.js b/chrome/content/zotero/xpcom/utilities.js
index e899d9f9ce..bb5ee8cd39 100644
--- a/chrome/content/zotero/xpcom/utilities.js
+++ b/chrome/content/zotero/xpcom/utilities.js
@@ -538,7 +538,7 @@ Zotero.Utilities = {
 	 * @return {Object}
 	 */
 	"deepCopy":function(obj) {
-		var obj2 = {};
+		var obj2 = (obj instanceof Array ? [] : {});
 		for(var i in obj) {
 			if(typeof obj[i] === "object") {
 				obj2[i] = Zotero.Utilities.deepCopy(obj[i]);
diff --git a/chrome/content/zotero/xpcom/zotero.js b/chrome/content/zotero/xpcom/zotero.js
index 20b18d1e00..7afc1a0f7a 100644
--- a/chrome/content/zotero/xpcom/zotero.js
+++ b/chrome/content/zotero/xpcom/zotero.js
@@ -424,7 +424,16 @@ if(appInfo.platformVersion[0] >= 2) {
 		// Load additional info for connector or not
 		if(Zotero.isConnector) {
 			Zotero.debug("Loading in connector mode");
-			Zotero.Connector.init();
+			Zotero.Connector_Types.init();
+			
+			if(!Zotero.isFirstLoadThisSession) {
+				// wait for initComplete message if we switched to connector because standalone was
+				// started
+				_waitingForInitComplete = true;
+				while(_waitingForInitComplete) Zotero.mainThread.processNextEvent(true);
+			}
+			
+			Zotero.Repo.init();
 		} else {
 			Zotero.debug("Loading in full mode");
 			_initFull();
@@ -444,13 +453,6 @@ if(appInfo.platformVersion[0] >= 2) {
 		Zotero.debug("Initialized in "+((new Date()).getTime() - start)+" ms");
 		
 		if(!Zotero.isFirstLoadThisSession) {
-			if(Zotero.isConnector) {
-				// wait for initComplete message if we switched to connector because standalone was
-				// started
-				_waitingForInitComplete = true;
-				while(_waitingForInitComplete) Zotero.mainThread.processNextEvent(true);
-			}
-			
 			// trigger zotero-reloaded event
 			Zotero.debug('Triggering "zotero-reloaded" event');
 			observerService.notifyObservers(Zotero, "zotero-reloaded", null);
diff --git a/components/zotero-service.js b/components/zotero-service.js
index b8a5aa4428..c7bd615fff 100644
--- a/components/zotero-service.js
+++ b/components/zotero-service.js
@@ -114,7 +114,9 @@ const xpcomFilesConnector = [
 	'connector/translate_item',
 	'connector/translator',
 	'connector/connector',
-	'connector/cachedTypes'
+	'connector/cachedTypes',
+	'connector/repo',
+	'connector/typeSchemaData'
 ];
 
 Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
diff --git a/defaults/preferences/zotero.js b/defaults/preferences/zotero.js
index 832baccd8b..7fb63053c1 100644
--- a/defaults/preferences/zotero.js
+++ b/defaults/preferences/zotero.js
@@ -152,4 +152,8 @@ pref("extensions.zotero.purge.tags", false);
 pref("extensions.zotero.pane.persist", '');
 
 // Domains allowed to import, separated by a semicolon
-pref("extensions.zotero.ingester.allowedSites", "");
\ No newline at end of file
+pref("extensions.zotero.ingester.allowedSites", "");
+
+// Connector
+pref("extensions.zotero.connector.repo.lastCheck.localTime", 0);
+pref("extensions.zotero.connector.repo.lastCheck.repoTime", 0);
\ No newline at end of file