diff --git a/frappe/__init__.py b/frappe/__init__.py
index 95d9c782a4..9b3ffc4662 100644
--- a/frappe/__init__.py
+++ b/frappe/__init__.py
@@ -1,8 +1,14 @@
 # Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
 # MIT License. See license.txt
 """
-globals attached to frappe module
-+ some utility functions that should probably be moved
+Frappe - Low Code Open Source Framework in Python and JS
+
+Frappe, pronounced fra-pay, is a full stack, batteries-included, web
+framework written in Python and Javascript with MariaDB as the database.
+It is the framework which powers ERPNext. It is pretty generic and can
+be used to build database driven apps.
+
+Read the documentation: https://frappeframework.com/docs
 """
 from __future__ import unicode_literals, print_function
 
diff --git a/frappe/core/doctype/user/user.py b/frappe/core/doctype/user/user.py
index 5a35907ccf..142cc1ee26 100644
--- a/frappe/core/doctype/user/user.py
+++ b/frappe/core/doctype/user/user.py
@@ -562,6 +562,10 @@ def get_perm_info(role):
 
 @frappe.whitelist(allow_guest=True)
 def update_password(new_password, logout_all_sessions=0, key=None, old_password=None):
+	#validate key to avoid key input like ['like', '%'], '', ['in', ['']]
+	if key and not isinstance(key, str):
+		frappe.throw(_('Invalid key type'))
+
 	result = test_password_strength(new_password, key, old_password)
 	feedback = result.get("feedback", None)
 
diff --git a/frappe/desk/utils.py b/frappe/desk/utils.py
index c19e531739..01b47ac106 100644
--- a/frappe/desk/utils.py
+++ b/frappe/desk/utils.py
@@ -7,12 +7,13 @@ def validate_route_conflict(doctype, name):
 	'''
 	Raises exception if name clashes with routes from other documents for /app routing
 	'''
-	if frappe.flags.ignore_route_conflict_validation:
-		return
 
 	all_names = []
 	for _doctype in ['Page', 'Workspace', 'DocType']:
-		all_names.extend([slug(d) for d in frappe.get_all(_doctype, pluck='name') if (doctype != _doctype and d != name)])
+		try:
+			all_names.extend([slug(d) for d in frappe.get_all(_doctype, pluck='name') if (doctype != _doctype and d != name)])
+		except frappe.db.TableMissingError:
+			pass
 
 	if slug(name) in all_names:
 		frappe.msgprint(frappe._('Name already taken, please set a new name'))
diff --git a/frappe/email/email_body.py b/frappe/email/email_body.py
index 7aa70830e7..3fb1dfa0da 100755
--- a/frappe/email/email_body.py
+++ b/frappe/email/email_body.py
@@ -297,8 +297,9 @@ def inline_style_in_html(html):
 
 	for app in apps:
 		path = 'assets/{0}/css/email.css'.format(app)
-		if os.path.exists(os.path.abspath(path)):
-			css_files.append(path)
+		css_files.append(path)
+
+	css_files = [css_file for css_file in css_files if os.path.exists(os.path.abspath(css_file))]
 
 	p = Premailer(html=html, external_styles=css_files, strip_important=False)
 
diff --git a/frappe/patches.txt b/frappe/patches.txt
index 8e8644342e..f076d5bd9c 100644
--- a/frappe/patches.txt
+++ b/frappe/patches.txt
@@ -327,5 +327,5 @@ execute:frappe.delete_doc_if_exists('Page', 'workspace')
 execute:frappe.delete_doc_if_exists('Page', 'dashboard', force=1)
 frappe.core.doctype.page.patches.drop_unused_pages
 execute:frappe.get_doc('Role', 'Guest').save() # remove desk access
-frappe.patches.v13_0.rename_desk_page_to_workspace
+frappe.patches.v13_0.rename_desk_page_to_workspace # 02.02.2021
 frappe.patches.v13_0.delete_package_publish_tool
diff --git a/frappe/patches/v13_0/rename_desk_page_to_workspace.py b/frappe/patches/v13_0/rename_desk_page_to_workspace.py
index 10308e8e53..6483fc380c 100644
--- a/frappe/patches/v13_0/rename_desk_page_to_workspace.py
+++ b/frappe/patches/v13_0/rename_desk_page_to_workspace.py
@@ -13,7 +13,9 @@ def execute():
 
 	rename_doc('DocType', 'Desk Chart', 'Workspace Chart', ignore_if_exists=True)
 	rename_doc('DocType', 'Desk Shortcut', 'Workspace Shortcut', ignore_if_exists=True)
-	if frappe.db.exists('DocType', 'Desk Link'):
-		rename_doc('DocType', 'Desk Link', 'Workspace Link', ignore_if_exists=True)
+	rename_doc('DocType', 'Desk Link', 'Workspace Link', ignore_if_exists=True)
 
-	frappe.reload_doc('desk', 'doctype', 'workspace')
+	frappe.reload_doc('desk', 'doctype', 'workspace', force=True)
+	frappe.reload_doc('desk', 'doctype', 'workspace_link', force=True)
+	frappe.reload_doc('desk', 'doctype', 'workspace_chart', force=True)
+	frappe.reload_doc('desk', 'doctype', 'workspace_shortcut', force=True)
diff --git a/frappe/patches/v13_0/update_icons_in_customized_desk_pages.py b/frappe/patches/v13_0/update_icons_in_customized_desk_pages.py
index da7d054682..93bf5c766e 100644
--- a/frappe/patches/v13_0/update_icons_in_customized_desk_pages.py
+++ b/frappe/patches/v13_0/update_icons_in_customized_desk_pages.py
@@ -2,6 +2,8 @@ from __future__ import unicode_literals
 import frappe
 
 def execute():
+	if not frappe.db.exists('Desk Page'): return
+
 	pages = frappe.get_all("Desk Page", filters={ "is_standard": False }, fields=["name", "extends", "for_user"])
 	default_icon = {}
 	for page in pages:
diff --git a/frappe/public/js/frappe/views/interaction.js b/frappe/public/js/frappe/views/interaction.js
index 579fa653f9..119eba13fb 100644
--- a/frappe/public/js/frappe/views/interaction.js
+++ b/frappe/public/js/frappe/views/interaction.js
@@ -259,7 +259,7 @@ frappe.views.InteractionComposer = class InteractionComposer {
 				args: {
 					doctype: doc.doctype,
 					name: doc.name,
-					assign_to: assignee,
+					assign_to: JSON.stringify([assignee]),
 				},
 				callback:function(r) {
 					if(!r.exc) {
@@ -334,4 +334,4 @@ function get_doc_mappings() {
 	};
 
 	return doc_map;
-}
\ No newline at end of file
+}