Previosly when updating a table with a script Firebird admitted a to add a not NULL field without a Default value. I understand the reasons why it changed but what about trying to add a NOT NULL Foreign Key to a populated table? Of course it is impossible because you cannot define a Default Value or the data would be inconsistent or you have to use a "non visible row" to accomplish it. This "improvement" is a huge problem for many of us.
I use extensive use of scripts to update my customers and this change ban me from Firebird 3 becasue I cannot find a way to workaround this.