On this page:

Target audience:

CAST AI Administrator

Summary: this page lists:

  • impacts of changes made in CAST AIP 8.2.6 on Quality Model results
  • other impacts of changes made in CAST AIP 8.2.6
  • miscellaneous result changes

The changes listed assume that an upgrade from CAST AIP 8.2.5 to CAST AIP 8.2.6 has taken place.


Each CAST AIP release provides new features which improve the value of the platform and justify an upgrade. However, there are a number of changes or improvements which can impact the measurement results/grades:

Below is a list of changes made to the current release of CAST AIP that are known to cause impacts to results. You can also consult Case Study - Measurement changes after upgrade for selected customer applications which provides a more detailed analysis based on a few sample applications.

Analyzing the root causes of impacts to measurement results/grades

The following is a general description of the steps that should be taken in order to compare pre and post upgrade results:

Impacts of changes made in CAST AIP 8.2.6 on Quality Model results post upgrade


Avoid tables without primary key - 8082

A bug has been discovered that causes the CAST Engineering Dashboard to report more 0 violations to the above named Quality Rule (i.e. grade is always set to 4). This bug has now been fixed, therefore after an upgrade to CAST AIP 8.2.6 and the generation of a post upgrade snapshot on the same source code, results may differ: there will be an increase in the number of violations reported, improving accuracy.

Other impacts of changes made in CAST AIP 8.2.5


Miscellaneous result changes