1) Replace utcnow() function with datetime.now(timezone.utc) as it is deprecated from Python v3.12.

2) Correct the URL to log an issue in pgAdmin in the ERD tool script.

web/pgadmin/misc/bgprocess/process_executor.py

@@ -33,7 +33,7 @@ OUTDIR - Output directory
 # To make print function compatible with python2 & python3
 import sys
 import os
-from datetime import datetime, timedelta, tzinfo
+from datetime import datetime, timedelta, tzinfo, timezone
 from subprocess import Popen, PIPE
 from threading import Thread
 import signal
@@ -133,9 +133,7 @@ class UTC(tzinfo):
 
 
 def get_current_time(format='%Y-%m-%d %H:%M:%S.%f %z'):
-    return datetime.utcnow().replace(
-        tzinfo=UTC()
-    ).strftime(format)
+    return datetime.now(timezone.utc).strftime(format)
 
 
 class ProcessLogger(Thread):

web/pgadmin/misc/bgprocess/processes.py

@@ -16,7 +16,7 @@ import os
 import sys
 import psutil
 from abc import ABCMeta, abstractmethod
-from datetime import datetime, timedelta
+from datetime import datetime, timedelta, timezone
 from pickle import dumps, loads
 from subprocess import Popen, PIPE
 import logging
@@ -29,7 +29,6 @@ from pgadmin.utils.constants import KERBEROS
 from pgadmin.utils.locker import ConnectionLocker
 from pgadmin.utils.preferences import Preferences
 
-import pytz
 from dateutil import parser
 from flask import current_app, session
 from flask_babel import gettext as _
@@ -50,9 +49,7 @@ def get_current_time(format='%Y-%m-%d %H:%M:%S.%f %z'):
     """
     Generate the current time string in the given format.
     """
-    return datetime.utcnow().replace(
-        tzinfo=pytz.utc
-    ).strftime(format)
+    return datetime.now(timezone.utc).strftime(format)
 
 
 class IProcessDesc(metaclass=ABCMeta):

web/pgadmin/tools/erd/static/js/erd_tool/components/ERDTool.jsx

@@ -668,7 +668,7 @@ class ERDTool extends React.Component {
 
   onSQLClick(sqlWithDrop=false) {
     let scriptHeader = gettext('-- This script was generated by the ERD tool in pgAdmin 4.\n');
-    scriptHeader += gettext('-- Please log an issue at https://redmine.postgresql.org/projects/pgadmin4/issues/new if you find any bugs, including reproduction steps.\n');
+    scriptHeader += gettext('-- Please log an issue at https://github.com/pgadmin-org/pgadmin4/issues/new/choose if you find any bugs, including reproduction steps.\n');
 
     let url = url_for('erd.sql', {
       trans_id: this.props.params.trans_id,

web/pgadmin/utils/passexec.py

@@ -1,8 +1,14 @@
-
-
+##########################################################################
+#
+# pgAdmin 4 - PostgreSQL Tools
+#
+# Copyright (C) 2013 - 2023, The pgAdmin Development Team
+# This software is released under the PostgreSQL License
+#
+##########################################################################
 import logging
 import subprocess
-from datetime import datetime, timedelta
+from datetime import datetime, timedelta, timezone
 from threading import Lock
 
 from flask import current_app
@@ -31,7 +37,7 @@ class PasswordExec:
                 if not self.cmd:
                     return None
                 current_app.logger.info('Calling passexec')
-                now = datetime.utcnow()
+                now = datetime.now(timezone.utc)
                 try:
                     p = subprocess.run(
                         self.cmd,
@@ -55,7 +61,7 @@ class PasswordExec:
         if self.expiration_seconds is None:
             return False
         return self.last_result is not None and\
-            datetime.utcnow() - self.last_result \
+            datetime.now(timezone.utc) - self.last_result \
             >= timedelta(seconds=self.expiration_seconds)
 
     def create_logger(self):