diff --git a/frappe/__version__.py b/frappe/__version__.py
index bdb8bda6ae..601b9bb2b3 100644
--- a/frappe/__version__.py
+++ b/frappe/__version__.py
@@ -1 +1 @@
-__version__ = "4.11.0"
+__version__ = "4.11.1"
diff --git a/frappe/hooks.py b/frappe/hooks.py
index 8c08c03991..0c447688e6 100644
--- a/frappe/hooks.py
+++ b/frappe/hooks.py
@@ -3,7 +3,7 @@ app_title = "Frappe Framework"
 app_publisher = "Web Notes Technologies Pvt. Ltd."
 app_description = "Full Stack Web Application Framework in Python"
 app_icon = "assets/frappe/images/frappe.svg"
-app_version = "4.11.0"
+app_version = "4.11.1"
 app_color = "#3498db"
 app_email = "support@frappe.io"
 
diff --git a/frappe/model/document.py b/frappe/model/document.py
index 916b545fbf..af6851cabc 100644
--- a/frappe/model/document.py
+++ b/frappe/model/document.py
@@ -411,10 +411,17 @@ class Document(BaseDocument):
 		fn.__name__ = method.encode("utf-8")
 		return Document.hook(fn)(self, *args, **kwargs)
 
+	@staticmethod
+	def whitelist(f):
+		f.whitelisted = True
+		return f
+
+	@whitelist.__func__
 	def submit(self):
 		self.docstatus = 1
 		self.save()
 
+	@whitelist.__func__
 	def cancel(self):
 		self.docstatus = 2
 		self.save()
@@ -451,16 +458,12 @@ class Document(BaseDocument):
 		elif self._action=="update_after_submit":
 			self.run_method("on_update_after_submit")
 
+
 	def check_no_back_links_exist(self):
 		from frappe.model.delete_doc import check_if_doc_is_linked
 		if not self.get("ignore_links"):
 			check_if_doc_is_linked(self, method="Cancel")
 
-	@staticmethod
-	def whitelist(f):
-		f.whitelisted = True
-		return f
-
 	@staticmethod
 	def hook(f):
 		def add_to_return_value(self, new_return_value):
diff --git a/frappe/public/js/frappe/form/grid.js b/frappe/public/js/frappe/form/grid.js
index 8744517e5d..d1e651fee9 100644
--- a/frappe/public/js/frappe/form/grid.js
+++ b/frappe/public/js/frappe/form/grid.js
@@ -142,9 +142,10 @@ frappe.ui.form.Grid = Class.extend({
 	set_column_disp: function(fieldname, show) {
 		if($.isArray(fieldname)) {
 			var me = this;
-			$.each(fieldname, function(i, fname) {
+			for(var i=0, l=fieldname.length; i<l; i++) {
+				var fname = fieldname[i];
 				frappe.meta.get_docfield(me.doctype, fname, me.frm.docname).hidden = show ? 0 : 1;
-			});
+			}
 		} else {
 			frappe.meta.get_docfield(this.doctype, fieldname, this.frm.docname).hidden = show ? 0 : 1;
 		}
@@ -292,17 +293,17 @@ frappe.ui.form.GridRow = Class.extend({
 
 	add_buttons: function() {
 		var me = this;
-		if(this.doc && this.grid.is_editable()) {
-			if(!this.grid.$row_actions) {
-				this.grid.$row_actions = $('<div class="col-xs-1 pull-right" \
+		if(this.doc && this.grid.is_editable() && this.frm.doc[this.doc.parentfield].length <= 50) {
+			if(!this.grid.row_actions) {
+				this.grid.row_actions = '<div class="col-xs-1 pull-right" \
 					style="text-align: right; padding-right: 5px;">\
 					<span class="text-success grid-insert-row" style="padding: 4px;">\
 						<i class="icon icon-plus-sign"></i></span>\
 					<span class="grid-delete-row" style="padding: 4px;">\
 						<i class="icon icon-trash"></i></span>\
-				</div>');
+				</div>';
 			}
-			$col = this.grid.$row_actions.clone().appendTo(this.row);
+			$col = $(this.grid.row_actions).appendTo(this.row);
 
 			if($col.width() < 50) {
 				$col.toggle(false);
@@ -478,9 +479,10 @@ frappe.ui.form.GridRow = Class.extend({
 		this.layout.refresh(this.doc);
 
 		// copy get_query to fields
-		$.each(this.grid.fieldinfo || {}, function(fieldname, fi) {
+		for(var fieldname in (this.grid.fieldinfo || {})) {
+			var fi = this.grid.fieldinfo[fieldname];
 			$.extend(me.fields_dict[fieldname], fi);
-		})
+		}
 
 		this.toggle_add_delete_button_display(this.wrapper.find(".panel:first"));
 
diff --git a/frappe/public/js/frappe/form/layout.js b/frappe/public/js/frappe/form/layout.js
index 6b70abc3b9..5d856ab6c4 100644
--- a/frappe/public/js/frappe/form/layout.js
+++ b/frappe/public/js/frappe/form/layout.js
@@ -50,7 +50,8 @@ frappe.ui.form.Layout = Class.extend({
 
 		this.wrapper.find(".empty-form-alert").remove();
 
-		$.each(this.fields_list, function(i, fieldobj) {
+		for(var i=0, l=this.fields_list.length; i<l; i++) {
+			var fieldobj = this.fields_list[i];
 			if(me.doc) {
 				fieldobj.doc = me.doc;
 				fieldobj.doctype = me.doc.doctype;
@@ -61,7 +62,8 @@ frappe.ui.form.Layout = Class.extend({
 				fieldobj.perm = me.frm.perm;
 			};
 			fieldobj.refresh && fieldobj.refresh();
-		});
+		}
+
 		if(this.frm && this.frm.wrapper)
 			$(this.frm.wrapper).trigger("refresh-fields");
 		setTimeout(function() {
diff --git a/frappe/public/js/frappe/model/create_new.js b/frappe/public/js/frappe/model/create_new.js
index 5a63ca3dfa..4a12d7c3f4 100644
--- a/frappe/public/js/frappe/model/create_new.js
+++ b/frappe/public/js/frappe/model/create_new.js
@@ -149,20 +149,21 @@ $.extend(frappe.model, {
 		// create row doc
 		idx = idx ? idx - 0.1 : (parent_doc[parentfield] || []).length + 1;
 
-		var d = frappe.model.get_new_doc(doctype, parent_doc, parentfield);
-		d.idx = idx;
+		var child = frappe.model.get_new_doc(doctype, parent_doc, parentfield);
+		child.idx = idx;
 
 		// renum for fraction
 		if(idx !== cint(idx)) {
 			var sorted = parent_doc[parentfield].sort(function(a, b) { return a.idx - b.idx; });
-			$.each(sorted, function(i, d) {
+			for(var i=0, j=sorted.length; i<j; i++) {
+				var d = sorted[i];
 				d.idx = i + 1;
-			});
+			}
 		}
 
 		if (cur_frm && cur_frm.doc == parent_doc) cur_frm.dirty();
 
-		return d;
+		return child;
 	},
 
 	copy_doc: function(doc, from_amend, parent_doc, parentfield) {
@@ -176,11 +177,12 @@ $.extend(frappe.model, {
 			if(df && key.substr(0,2)!='__'
 				&& !in_list(no_copy_list, key)
 				&& !(df && (!from_amend && cint(df.no_copy)==1))) {
-					value = doc[key];
+					var value = doc[key] || [];
 					if(df.fieldtype==="Table") {
-						$.each(value || [], function(i, d) {
+						for(var i=0, j=value.length; i<j; i++) {
+							var d = value[i];
 							frappe.model.copy_doc(d, from_amend, newdoc, df.fieldname);
-						});
+						}
 					} else {
 						newdoc[key] = doc[key];
 					}
diff --git a/frappe/public/js/frappe/model/meta.js b/frappe/public/js/frappe/model/meta.js
index 23c430f6cc..d30923aff9 100644
--- a/frappe/public/js/frappe/model/meta.js
+++ b/frappe/public/js/frappe/model/meta.js
@@ -41,9 +41,11 @@ $.extend(frappe.meta, {
 		if(!c[doctype][docname])
 			c[doctype][docname] = {};
 
-		$.each(frappe.meta.docfield_list[doctype] || [], function(i, df) {
+		var docfield_list = frappe.meta.docfield_list[doctype] || [];
+		for(var i=0, j=docfield_list.length; i<j; i++) {
+			var df = docfield_list[i];
 			c[doctype][docname][df.fieldname || df.label] = copy_dict(df);
-		})
+		}
 	},
 
 	get_docfield: function(dt, fn, dn) {
diff --git a/frappe/public/js/frappe/model/model.js b/frappe/public/js/frappe/model/model.js
index eef536d262..d569c509b5 100644
--- a/frappe/public/js/frappe/model/model.js
+++ b/frappe/public/js/frappe/model/model.js
@@ -343,9 +343,12 @@ $.extend(frappe.model, {
 	get_no_copy_list: function(doctype) {
 		var no_copy_list = ['name','amended_from','amendment_date','cancel_reason'];
 
-		$.each(frappe.get_doc("DocType", doctype).fields || [], function(i, df) {
+		var docfields = frappe.get_doc("DocType", doctype).fields || [];
+		for(var i=0, j=docfields.length; i<j; i++) {
+			var df = docfields[i];
 			if(cint(df.no_copy)) no_copy_list.push(df.fieldname);
-		})
+		}
+
 		return no_copy_list;
 	},
 
@@ -412,9 +415,10 @@ $.extend(frappe.model, {
 			fieldnames = frappe.meta.get_fieldnames(doc.doctype, doc.parent,
 				{"fieldtype": ["in", ["Currency", "Float"]]});
 		}
-		$.each(fieldnames, function(i, fieldname) {
+		for(var i=0, j=fieldnames.length; i < j; i++) {
+			var fieldname = fieldnames[i];
 			doc[fieldname] = flt(doc[fieldname], precision(fieldname, doc));
-		});
+		}
 	},
 
 	validate_missing: function(doc, fieldname) {
@@ -428,9 +432,10 @@ $.extend(frappe.model, {
 		var all = [doc];
 		for(key in doc) {
 			if($.isArray(doc[key])) {
-				$.each(doc[key], function(i, d) {
-					all.push(d);
-				});
+				var children = doc[key];
+				for (var i=0, l=children.length; i < l; i++) {
+					all.push(children[i]);
+				}
 			}
 		}
 		return all;
diff --git a/frappe/utils/email_lib/email_body.py b/frappe/utils/email_lib/email_body.py
index a2f242b216..21efc59001 100644
--- a/frappe/utils/email_lib/email_body.py
+++ b/frappe/utils/email_lib/email_body.py
@@ -23,6 +23,8 @@ def get_email(recipients, sender='', msg='', subject='[No Subject]',
 	for attach in (attachments or []):
 		emailobj.add_attachment(**attach)
 
+	emailobj.validate()
+
 	return emailobj
 
 class EMail:
diff --git a/setup.py b/setup.py
index 98ef872fcb..b01bafea10 100644
--- a/setup.py
+++ b/setup.py
@@ -1,7 +1,7 @@
 from setuptools import setup, find_packages
 import os
 
-version = "4.11.0"
+version = "4.11.1"
 
 with open("requirements.txt", "r") as f:
 	install_requires = f.readlines()