Changes to Database Browser server list (LHS) are not beign saved.
Some databases on the list are old and needs to be removed. Right click | Remove and it is removed from the list. But if you close and reopen the Database Browser, the change was not saved and the database is listed again.
Similarly, attempts to add a new database or work with passwords and folders have similar issues.
WORKAROUND:
None
STATUS:
Waiting for fix in a future version of Toad for Oracle.