New feature: The calculation of the severity level has changed. In most cases the resulting level is the same as before, however in some times the new level better reflects the "real" severity (if there is a such a thing like a "real" severity).
New feature: Performance enhancements in particular when creating a booklet from stored problems.
New feature: The calculation of valid values for a cell now also identifies "Naked Pairs".
New feature: Application's performance improved.
Corrected Bug: In some cases the "undo" option was enabled even though there was nothing to undo. This has been corrected.
New feature: The "Watch Hand" hints are show in red if a value is entered that leads to an unresolvable problem.
Corrected Bug: The status and the "Watch Hand" hints didn't reflect the "Undo" function. This has been corrected.