Describe objects window does not refresh after modifying the table in Toad for Oracle 12.x (4270468)

Describe objects window does not refresh after modifying the table in Toad for Oracle 12.x

Steps to reproduce the issue.

1) Open the sql editor
2) Add a column to a table.For example: Alter Table emp add  col1 varchar2(1)
3) Type the name of the table in the SQL Editor and press F4.
A new describe window appears. Do not close it
4) Return to editor and drop the column created before: Alter Table emp drop column col1
5) Return to the describe window.
There is no way to refresh the columns tab. Using F5 or switching between tabs does not refresh it.

WORKAROUND
None

STATUS
Issue fixed in version 12.1.

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