pgAdmin 4 v5.7 Released

[pgAdmin Development Team via PostgreSQL Announce]

The pgAdmin Development Team is pleased to announce pgAdmin 4 version 5.7. This 
release of pgAdmin 4 includes 26 bug fixes and new features. For more details 
please see the [release 
notes](https://www.pgadmin.org/docs/pgadmin4/5.7/release_notes_5_7.html).
 
pgAdmin is the leading Open Source graphical management tool for PostgreSQL. 
For more information, please see [the website](https://www.pgadmin.org/).
 
Notable changes in this release include:
 
### Features:
* **Added support for the truncate table with restart identity.**
 
* **Added database and server information on the Maintenance process watcher 
dialog.**
 
* **Allow the referenced table to be the same as the local table in one to many 
relationship for ERD Tool.**
 
* **Make closing tabs to be smarter by focusing on the appropriate tab when the 
user closed a tab.**
 
* **Set PSQLRC and PSQL_HISTORY env vars to apt. user storage path in the 
server mode.**
 
### Bugs/Housekeeping:
* Fixed blank screen issue on windows and also made changes to use NWjs 
manifest for remembering window size.
* Ensure that trigger function SQL should have 'create or replace function' 
instead of 'create function' only.
* Fixed the export image issue where relation lines are over the nodes.
* Fixed width limitation issue in PSQL tool window.
* Fixed an issue where columns with sequences get altered unnecessarily with a 
schema diff tool.
* Ensure that the lock panel should not be blocked for larger records.
* Fixed an issue where whitespace in function bodies was not applied while 
generating the script using Schema Diff.
* Introduced the OAUTH2_SCOPE variable for the Oauth2 scope configuration.
* Enables pgAdmin to retrieve user permissions in case of nested roles, which 
helps to terminate the session for AWS RDS.
* Ensure that pgAdmin should not fail at login due to a special character in 
the hostname.
 
Builds for Windows and macOS are available now, along with a Python Wheel, 
Docker Container, RPM, DEB Package, and source code tarball from the [tarball 
area](https://www.pgadmin.org/download/).