# Version 6.21

Release date: 2023-03-09

This release contains a number of bug fixes and new features since the release of pgAdmin 4 v6.20.

## Supported Database Servers

PostgreSQL: 10, 11, 12, 13, 14 and 15

EDB Advanced Server: 10, 11, 12, 13, 14 and 15

## Bundled PostgreSQL Utilities

psql, pg_dump, pg_dumpall, pg_restore: 15.1

## New features

> Issue #5832 - Allow changing cardinality notation in ERD to use Chen notation.
> Issue #5842 - Add additional logging for successful logins and user creation.

## Housekeeping

## Bug fixes

> Issue #5269 - Ensure that the schema diff tool should pick up the change in the column grants.
> Issue #5685 - Ensure that Grant column permission to a view is visible in the SQL tab.
> Issue #5747 - Ensure that content on the DDL comparison panel should get refreshed on selecting the object using the up and down arrow keys.
> Issue #5756 - Fix for query tool prompting for unsaved changes even if no changes have been made.
> Issue #5758 - Fixed an issue where lock layout menu was not in sync with preferences.
> Issue #5760 - Fixed an issue where query was not pasted to editor after trojan source warning.
> Issue #5764 - Fix an issue where the maintenance dialog for Materialized View gives an error.
> Issue #5773 - Fixed an issue where Clear Saved Password should be disabled if the password is already cleared.
> Issue #5790 - Fixed an issue where the user can’t create trigger AFTER UPDATE OF.
> Issue #5803 - Fix an issue where query tool is stripping spaces in grid cell.
> Issue #5810 - Fix an issue where sequence owner is remove on sequence edit.
> Issue #5822 - Do not allow to save invalid JSON in query tool JSON editor.
> Issue #5847 - Fixed an issue where pgAdmin failed to connect when the Postgres password included special characters.
> Issue #5870 - Ensure that the database migration does not fail with a NoSuchTableError exception.
> Issue #5872 - Handle MERGE operation in query tool explain introduced in PostgreSQL 15.
> Issue #5889 - Fixed an issue where the database server is not connected using a service file.
> Issue #5909 - Fixed an issue where the file name in the query tool tab was not changing if another file is opened.