There are couple open issues regarding Contact API 1.2, for details see below
"set max search limit" /
Comparing API 1.1 and 1.2 specs this the one that has been added:
- Why this is not tagged as "since 1.2"?
This Contact observer case is not closed in Jira:
For both of the above Symbian status is unclear: does these features really work in Symbian?