diff --git a/frappe/__init__.py b/frappe/__init__.py
index 9d7befe2d1..4d67afe492 100644
--- a/frappe/__init__.py
+++ b/frappe/__init__.py
@@ -182,9 +182,9 @@ if TYPE_CHECKING:
 # end: static analysis hack
 
 
-def init(site: str, sites_path: str = ".", new_site: bool = False) -> None:
+def init(site: str, sites_path: str = ".", new_site: bool = False, force=False) -> None:
 	"""Initialize frappe for the current site. Reset thread locals `frappe.local`"""
-	if getattr(local, "initialised", None):
+	if getattr(local, "initialised", None) and not force:
 		return
 
 	local.error_log = []
diff --git a/frappe/app.py b/frappe/app.py
index a647b251c8..fab8facd3f 100644
--- a/frappe/app.py
+++ b/frappe/app.py
@@ -74,12 +74,18 @@ def application(request: Request):
 		rollback = sync_database(rollback)
 
 	finally:
+		# Important note:
+		# this function *must* always return a response, hence any exception thrown outside of
+		# try..catch block like this finally block needs to be handled appropriately.
+
 		if request.method in UNSAFE_HTTP_METHODS and frappe.db and rollback:
 			frappe.db.rollback()
 
-		if getattr(frappe.local, "initialised", False):
-			for after_request_task in frappe.get_hooks("after_request"):
-				frappe.call(after_request_task, response=response, request=request)
+		try:
+			run_after_request_hooks(request, response)
+		except Exception as e:
+			# We can not handle exceptions safely here.
+			frappe.logger().error("Failed to run after request hook", exc_info=True)
 
 		log_request(request, response)
 		process_response(response)
@@ -89,12 +95,20 @@ def application(request: Request):
 	return response
 
 
+def run_after_request_hooks(request, response):
+	if not getattr(frappe.local, "initialised", False):
+		return
+
+	for after_request_task in frappe.get_hooks("after_request"):
+		frappe.call(after_request_task, response=response, request=request)
+
+
 def init_request(request):
 	frappe.local.request = request
 	frappe.local.is_ajax = frappe.get_request_header("X-Requested-With") == "XMLHttpRequest"
 
 	site = _site or request.headers.get("X-Frappe-Site-Name") or get_site_name(request.host)
-	frappe.init(site=site, sites_path=_sites_path)
+	frappe.init(site=site, sites_path=_sites_path, force=True)
 
 	if not (frappe.local.conf and frappe.local.conf.db_name):
 		# site does not exist
diff --git a/frappe/core/doctype/file/test_file.py b/frappe/core/doctype/file/test_file.py
index 86bd69eb5f..51e065f710 100644
--- a/frappe/core/doctype/file/test_file.py
+++ b/frappe/core/doctype/file/test_file.py
@@ -17,6 +17,7 @@ from frappe.core.api.file import (
 	move_file,
 	unzip_file,
 )
+from frappe.core.doctype.file.utils import get_extension
 from frappe.exceptions import ValidationError
 from frappe.tests.utils import FrappeTestCase
 from frappe.utils import get_files_path
@@ -461,7 +462,7 @@ class TestFile(FrappeTestCase):
 		).insert(ignore_permissions=True)
 
 		test_file.make_thumbnail()
-		self.assertTrue(test_file.thumbnail_url.endswith("_small.jpeg"))
+		self.assertTrue(test_file.thumbnail_url.endswith("_small.jpg"))
 
 		# test local image
 		test_file.db_set("thumbnail_url", None)
@@ -739,3 +740,10 @@ class TestFileOptimization(FrappeTestCase):
 			size_after_rollback = os.stat(image_path).st_size
 
 			self.assertEqual(size_before_optimization, size_after_rollback)
+
+	def test_image_header_guessing(self):
+		file_path = frappe.get_app_path("frappe", "tests/data/sample_image_for_optimization.jpg")
+		with open(file_path, "rb") as f:
+			file_content = f.read()
+
+		self.assertEqual(get_extension("", None, file_content), "jpg")
diff --git a/frappe/core/doctype/file/utils.py b/frappe/core/doctype/file/utils.py
index 17a092e340..1d0d145303 100644
--- a/frappe/core/doctype/file/utils.py
+++ b/frappe/core/doctype/file/utils.py
@@ -1,5 +1,4 @@
 import hashlib
-import imghdr
 import mimetypes
 import os
 import re
@@ -7,6 +6,7 @@ from io import BytesIO
 from typing import TYPE_CHECKING, Optional
 from urllib.parse import unquote
 
+import filetype
 import requests
 import requests.exceptions
 from PIL import Image
@@ -76,9 +76,11 @@ def get_extension(
 
 		mimetype = mimetypes.guess_type(filename + "." + extn)[0]
 
-	if mimetype is None or not mimetype.startswith("image/") and content:
-		# detect file extension by reading image header properties
-		extn = imghdr.what(filename + "." + (extn or ""), h=content)
+	if mimetype is None and extn is None and content:
+		# detect file extension by using filetype matchers
+		_type_info = filetype.match(content)
+		if _type_info:
+			extn = _type_info.extension
 
 	return extn
 
diff --git a/frappe/core/doctype/language/language.json b/frappe/core/doctype/language/language.json
index 7e9bbb1038..c9110bb998 100644
--- a/frappe/core/doctype/language/language.json
+++ b/frappe/core/doctype/language/language.json
@@ -51,7 +51,7 @@
  "icon": "fa fa-globe",
  "in_create": 1,
  "links": [],
- "modified": "2022-08-14 18:54:03.490836",
+ "modified": "2023-04-13 13:48:38.127995",
  "modified_by": "Administrator",
  "module": "Core",
  "name": "Language",
@@ -66,13 +66,8 @@
    "write": 1
   },
   {
-   "email": 1,
-   "export": 1,
-   "print": 1,
-   "read": 1,
-   "report": 1,
-   "role": "Guest",
-   "share": 1
+   "role": "All",
+   "read": 1
   }
  ],
  "search_fields": "language_name",
diff --git a/frappe/core/doctype/report/report.json b/frappe/core/doctype/report/report.json
index 37dce73dda..9b6b04afcc 100644
--- a/frappe/core/doctype/report/report.json
+++ b/frappe/core/doctype/report/report.json
@@ -148,11 +148,13 @@
   {
    "collapsible": 1,
    "collapsible_depends_on": "filters",
+   "depends_on": "eval:doc.report_type != \"Custom Report\"",
    "fieldname": "filters_section",
    "fieldtype": "Section Break",
    "label": "Filters"
   },
   {
+   "depends_on": "eval:doc.report_type != \"Custom Report\"",
    "fieldname": "filters",
    "fieldtype": "Table",
    "label": "Filters",
@@ -161,11 +163,13 @@
   {
    "collapsible": 1,
    "collapsible_depends_on": "columns",
+   "depends_on": "eval:doc.report_type != \"Custom Report\"",
    "fieldname": "columns_section",
    "fieldtype": "Section Break",
    "label": "Columns"
   },
   {
+   "depends_on": "eval:doc.report_type != \"Custom Report\"",
    "fieldname": "columns",
    "fieldtype": "Table",
    "label": "Columns",
@@ -182,7 +186,7 @@
  "idx": 1,
  "index_web_pages_for_search": 1,
  "links": [],
- "modified": "2022-11-20 14:56:36.578412",
+ "modified": "2023-04-07 18:18:11.782178",
  "modified_by": "Administrator",
  "module": "Core",
  "name": "Report",
diff --git a/frappe/core/doctype/report/report.py b/frappe/core/doctype/report/report.py
index ef38387e57..ca1e7724c1 100644
--- a/frappe/core/doctype/report/report.py
+++ b/frappe/core/doctype/report/report.py
@@ -169,7 +169,7 @@ class Report(Document):
 
 		return columns, result
 
-	def run_query_report(self, filters, user, ignore_prepared_report=False):
+	def run_query_report(self, filters=None, user=None, ignore_prepared_report=False):
 		columns, result = [], []
 		data = frappe.desk.query_report.run(
 			self.name, filters=filters, user=user, ignore_prepared_report=ignore_prepared_report
diff --git a/frappe/core/doctype/report/test_report.py b/frappe/core/doctype/report/test_report.py
index 0e1ed80eda..670b6b7410 100644
--- a/frappe/core/doctype/report/test_report.py
+++ b/frappe/core/doctype/report/test_report.py
@@ -118,11 +118,10 @@ class TestReport(FrappeTestCase):
 					}
 				]
 			),
+			json.dumps({"user": "Administrator", "doctype": "User"}),
 		)
 		custom_report = frappe.get_doc("Report", custom_report_name)
-		columns, result = custom_report.run_query_report(
-			filters={"user": "Administrator", "doctype": "User"}, user=frappe.session.user
-		)
+		columns, result = custom_report.run_query_report(user=frappe.session.user)
 
 		self.assertListEqual(["email"], [column.get("fieldname") for column in columns])
 		admin_dict = frappe.core.utils.find(result, lambda d: d["name"] == "Administrator")
diff --git a/frappe/desk/query_report.py b/frappe/desk/query_report.py
index bb845cae95..3f906d8f12 100644
--- a/frappe/desk/query_report.py
+++ b/frappe/desk/query_report.py
@@ -15,12 +15,13 @@ from frappe.model.utils import render_include
 from frappe.modules import get_module_path, scrub
 from frappe.monitor import add_data_to_monitor
 from frappe.permissions import get_role_permissions
-from frappe.utils import cint, cstr, flt, format_duration, get_html_format
+from frappe.utils import cint, cstr, flt, format_duration, get_html_format, sbool
 
 
 def get_report_doc(report_name):
 	doc = frappe.get_doc("Report", report_name)
 	doc.custom_columns = []
+	doc.custom_filters = []
 
 	if doc.report_type == "Custom Report":
 		custom_report_doc = doc
@@ -30,7 +31,8 @@ def get_report_doc(report_name):
 		if custom_report_doc.json:
 			data = json.loads(custom_report_doc.json)
 			if data:
-				doc.custom_columns = data["columns"]
+				doc.custom_columns = data.get("columns")
+				doc.custom_filters = data.get("filters")
 		doc.is_custom_report = True
 
 	if not doc.is_permitted():
@@ -182,6 +184,7 @@ def run(
 	custom_columns=None,
 	is_tree=False,
 	parent_field=None,
+	are_default_filters=True,
 ):
 	report = get_report_doc(report_name)
 	if not user:
@@ -194,6 +197,9 @@ def run(
 
 	result = None
 
+	if sbool(are_default_filters) and report.custom_filters:
+		filters = report.custom_filters
+
 	if report.prepared_report and not ignore_prepared_report and not custom_columns:
 		if filters:
 			if isinstance(filters, str):
@@ -209,6 +215,9 @@ def run(
 
 	result["add_total_row"] = report.add_total_row and not result.get("skip_total_row", False)
 
+	if sbool(are_default_filters) and report.custom_filters:
+		result["custom_filters"] = report.custom_filters
+
 	return result
 
 
@@ -463,7 +472,7 @@ def get_data_for_custom_report(columns):
 
 
 @frappe.whitelist()
-def save_report(reference_report, report_name, columns):
+def save_report(reference_report, report_name, columns, filters):
 	report_doc = get_report_doc(reference_report)
 
 	docname = frappe.db.exists(
@@ -479,6 +488,7 @@ def save_report(reference_report, report_name, columns):
 		report = frappe.get_doc("Report", docname)
 		existing_jd = json.loads(report.json)
 		existing_jd["columns"] = json.loads(columns)
+		existing_jd["filters"] = json.loads(filters)
 		report.update({"json": json.dumps(existing_jd, separators=(",", ":"))})
 		report.save()
 		frappe.msgprint(_("Report updated successfully"))
@@ -489,7 +499,7 @@ def save_report(reference_report, report_name, columns):
 			{
 				"doctype": "Report",
 				"report_name": report_name,
-				"json": f'{{"columns":{columns}}}',
+				"json": f'{{"columns":{columns},"filters":{filters}}}',
 				"ref_doctype": report_doc.ref_doctype,
 				"is_standard": "No",
 				"report_type": "Custom Report",
diff --git a/frappe/desk/reportview.py b/frappe/desk/reportview.py
index 00ae27d145..b450b734e9 100644
--- a/frappe/desk/reportview.py
+++ b/frappe/desk/reportview.py
@@ -678,7 +678,7 @@ def get_filters_cond(
 			for f in filters:
 				if isinstance(f[1], str) and f[1][0] == "!":
 					flt.append([doctype, f[0], "!=", f[1][1:]])
-				elif isinstance(f[1], (list, tuple)) and f[1][0] in (
+				elif isinstance(f[1], (list, tuple)) and f[1][0].lower() in (
 					">",
 					"<",
 					">=",
diff --git a/frappe/hooks.py b/frappe/hooks.py
index effc84a873..b055f9dc8e 100644
--- a/frappe/hooks.py
+++ b/frappe/hooks.py
@@ -186,11 +186,13 @@ scheduler_events = {
 			"frappe.oauth.delete_oauth2_data",
 			"frappe.website.doctype.web_page.web_page.check_publish_status",
 			"frappe.twofactor.delete_all_barcodes_for_users",
-		]
+		],
+		"0/10 * * * *": [
+			"frappe.email.doctype.email_account.email_account.pull",
+		],
 	},
 	"all": [
 		"frappe.email.queue.flush",
-		"frappe.email.doctype.email_account.email_account.pull",
 		"frappe.email.doctype.email_account.email_account.notify_unreplied",
 		"frappe.utils.global_search.sync_global_search",
 		"frappe.monitor.flush",
diff --git a/frappe/oauth.py b/frappe/oauth.py
index 8955078342..2d25b5dfb5 100644
--- a/frappe/oauth.py
+++ b/frappe/oauth.py
@@ -3,7 +3,7 @@ import datetime
 import hashlib
 import re
 from http import cookies
-from urllib.parse import unquote, urlparse, urljoin
+from urllib.parse import unquote, urljoin, urlparse
 
 import jwt
 import pytz
diff --git a/frappe/public/js/frappe/views/reports/query_report.js b/frappe/public/js/frappe/views/reports/query_report.js
index d6c50380f2..ee255032bb 100644
--- a/frappe/public/js/frappe/views/reports/query_report.js
+++ b/frappe/public/js/frappe/views/reports/query_report.js
@@ -2,6 +2,9 @@
 // MIT License. See license.txt
 import DataTable from "frappe-datatable";
 
+// Expose DataTable globally to allow customizations.
+window.DataTable = DataTable;
+
 frappe.provide("frappe.widget.utils");
 frappe.provide("frappe.views");
 frappe.provide("frappe.query_reports");
@@ -539,7 +542,7 @@ frappe.views.QueryReport = class QueryReport extends frappe.views.BaseList {
 						if (this.prepared_report) {
 							this.reset_report_view();
 						} else if (!this._no_refresh) {
-							this.refresh();
+							this.refresh(true);
 						}
 					}
 				};
@@ -595,10 +598,25 @@ frappe.views.QueryReport = class QueryReport extends frappe.views.BaseList {
 		this.page.clear_fields();
 	}
 
-	refresh() {
+	refresh(have_filters_changed) {
 		this.toggle_message(true);
 		this.toggle_report(false);
 		let filters = this.get_filter_values(true);
+
+		// for custom reports,
+		// are_default_filters is true if the filters haven't been modified and for all filters,
+		// the filter value is the default value or there's no default value for the filter and the current value is empty.
+		// are_default_filters is false otherwise.
+
+		let are_default_filters = this.filters
+			.map((filter) => {
+				return (
+					!have_filters_changed &&
+					(filter.default === filter.value || (!filter.default && !filter.value))
+				);
+			})
+			.every((res) => res === true);
+
 		this.show_loading_screen();
 
 		// only one refresh at a time
@@ -621,6 +639,7 @@ frappe.views.QueryReport = class QueryReport extends frappe.views.BaseList {
 					filters: filters,
 					is_tree: this.report_settings.tree,
 					parent_field: this.report_settings.parent_field,
+					are_default_filters: are_default_filters,
 				},
 				callback: resolve,
 				always: () => this.page.btn_secondary.prop("disabled", false),
@@ -633,6 +652,11 @@ frappe.views.QueryReport = class QueryReport extends frappe.views.BaseList {
 
 				this.execution_time = data.execution_time || 0.1;
 
+				if (data.custom_filters) {
+					this.set_filters(data.custom_filters);
+					this.previous_filters = data.custom_filters;
+				}
+
 				if (data.prepared_report) {
 					this.prepared_report = true;
 					this.prepared_report_document = data.doc;
@@ -933,7 +957,7 @@ frappe.views.QueryReport = class QueryReport extends frappe.views.BaseList {
 			if (this.report_settings.get_datatable_options) {
 				datatable_options = this.report_settings.get_datatable_options(datatable_options);
 			}
-			this.datatable = new DataTable(this.$report[0], datatable_options);
+			this.datatable = new window.DataTable(this.$report[0], datatable_options);
 		}
 
 		if (typeof this.report_settings.initial_depth == "number") {
@@ -1712,6 +1736,7 @@ frappe.views.QueryReport = class QueryReport extends frappe.views.BaseList {
 									reference_report: this.report_name,
 									report_name: values.report_name,
 									columns: this.get_visible_columns(),
+									filters: this.get_filter_values(),
 								},
 								callback: function (r) {
 									this.show_save = false;
diff --git a/frappe/public/scss/common/css_variables.scss b/frappe/public/scss/common/css_variables.scss
index f22b587405..ae53e99518 100644
--- a/frappe/public/scss/common/css_variables.scss
+++ b/frappe/public/scss/common/css_variables.scss
@@ -243,6 +243,8 @@ $input-height: 28px !default;
 	--highlight-color: var(--gray-50);
 	--yellow-highlight-color: var(--yellow-50);
 
+	--btn-group-border-color: var(--gray-300);
+
 	--field-placeholder-color: var(--gray-50);
 
 	--highlight-shadow: 1px 1px 10px var(--blue-50), 0px 0px 4px var(--blue-600);
diff --git a/frappe/public/scss/desk/dark.scss b/frappe/public/scss/desk/dark.scss
index e1f210c440..ced95d7f69 100644
--- a/frappe/public/scss/desk/dark.scss
+++ b/frappe/public/scss/desk/dark.scss
@@ -100,6 +100,8 @@
 	--highlight-color: var(--gray-700);
 	--yellow-highlight-color: var(--yellow-700);
 
+	--btn-group-border-color: var(--gray-800);
+
 	--field-placeholder-color: var(--gray-700);
 
 	--highlight-shadow: 1px 1px 10px var(--blue-900), 0px 0px 4px var(--blue-500);
diff --git a/frappe/public/scss/desk/global.scss b/frappe/public/scss/desk/global.scss
index 9f1b0b56a4..765e51cab9 100644
--- a/frappe/public/scss/desk/global.scss
+++ b/frappe/public/scss/desk/global.scss
@@ -234,6 +234,21 @@ h2 {
 	font-size: var(--text-md);
 }
 
+.btn-group {
+	.btn {
+		box-shadow: none;
+		outline: 1px solid var(--btn-group-border-color);
+
+		&:not(:first-child) {
+			margin-left: 1px;
+		}
+
+		&:focus {
+			outline: 2px solid var(--dark-border-color);
+		}
+	}
+}
+
 .btn-xs {
 	@extend .btn-sm;
 	line-height: 1.2;
diff --git a/frappe/public/scss/desk/list.scss b/frappe/public/scss/desk/list.scss
index 31d1661abb..30bf1d6499 100644
--- a/frappe/public/scss/desk/list.scss
+++ b/frappe/public/scss/desk/list.scss
@@ -189,29 +189,12 @@ $level-margin-right: 8px;
 .list-paging-area, .footnote-area {
 	border-top: 1px solid var(--border-color);
 
-	.btn-group {
-		box-shadow: var(--drop-shadow);
-		border-radius: var(--border-radius-md);
-
-		&> .btn:nth-child(2) {
-			border-left: none;
-			border-right: none;
-		}
-
-		.btn-paging {
-			box-shadow: none;
-			margin-left: 0px !important;
-			border: 1px solid var(--dark-border-color);
-
-			&.btn-info {
-				background-color: var(--gray-600);
-				border-color: var(--gray-600);
-				color: var(--white);
-				font-weight: var(--text-bold);
-			}
-		}
+	.btn-group .btn-paging.btn-info {
+		background-color: var(--gray-600);
+		border-color: var(--gray-600);
+		color: var(--white);
+		font-weight: var(--text-bold);
 	}
-
 }
 
 .frappe-card {
diff --git a/frappe/tests/test_website.py b/frappe/tests/test_website.py
index 7af2bfda8e..01f6e4f7cc 100644
--- a/frappe/tests/test_website.py
+++ b/frappe/tests/test_website.py
@@ -236,6 +236,7 @@ class TestWebsite(FrappeTestCase):
 
 	def test_printview_page(self):
 		frappe.db.value_cache[("DocType", "Language", "name")] = (("Language",),)
+		frappe.set_user("Administrator")
 		content = get_response_content("/Language/ru")
 		self.assertIn('<div class="print-format">', content)
 		self.assertIn("<div>Language</div>", content)
diff --git a/frappe/workflow/doctype/workflow/workflow.py b/frappe/workflow/doctype/workflow/workflow.py
index 54c8c6f61b..018b567ee9 100644
--- a/frappe/workflow/doctype/workflow/workflow.py
+++ b/frappe/workflow/doctype/workflow/workflow.py
@@ -126,7 +126,7 @@ class Workflow(Document):
 
 @frappe.whitelist()
 def get_workflow_state_count(doctype, workflow_state_field, states):
-	frappe.has_permission(doctype=doctype, ptype='read', throw=True)
+	frappe.has_permission(doctype=doctype, ptype="read", throw=True)
 	states = frappe.parse_json(states)
 	result = frappe.get_all(
 		doctype,
diff --git a/frappe/workflow/doctype/workflow_action_master/workflow_action_master.json b/frappe/workflow/doctype/workflow_action_master/workflow_action_master.json
index d47923950d..74b22716e6 100644
--- a/frappe/workflow/doctype/workflow_action_master/workflow_action_master.json
+++ b/frappe/workflow/doctype/workflow_action_master/workflow_action_master.json
@@ -1,6 +1,7 @@
 {
  "actions": [],
  "autoname": "field:workflow_action_name",
+ "allow_rename": 1,
  "creation": "2012-12-28 10:49:56",
  "description": "Workflow Action Master",
  "doctype": "DocType",
@@ -21,7 +22,7 @@
  "icon": "fa fa-flag",
  "idx": 1,
  "links": [],
- "modified": "2022-08-03 12:20:52.449982",
+ "modified": "2023-04-14 12:20:52.449982",
  "modified_by": "Administrator",
  "module": "Workflow",
  "name": "Workflow Action Master",
@@ -43,4 +44,4 @@
  "sort_order": "DESC",
  "states": [],
  "track_changes": 1
-}
\ No newline at end of file
+}
diff --git a/pyproject.toml b/pyproject.toml
index daa0748e5f..5429682a33 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,6 +12,7 @@ dependencies = [
     "Babel~=2.12.1",
     "Click~=8.1.3",
     "filelock~=3.8.0",
+    "filetype~=1.2.0",
     "GitPython~=3.1.30",
     "Jinja2~=3.1.2",
     "Pillow~=9.3.0",