From OpenI Wiki

with openi 1.2.x

Feature	Mondrian 2.0.1	Mondrian 2.1.1	sql2000	sql2005(works only on SQL 2005 compat mode)
Drillthrough	works with some analysis	does not work	works	does not work
dimension navigator	works - throws exception for first time while clicking on member that is added as calculated member through MDX editor	works	works	works
Analysis	works	works	works
with member	works - throws exception for first time while clicking on member that is added as calculated member through MDX editor	works	works	works

with openi branch 1_3 with jpivot HEAD on 'Sept 21 2006'

Feature	Mondrian 2.0.1	Mondrian 2.1.1	sql2000	sql2005(works only on SQL 2005 compat mode)
Drillthrough	works with some analysis	works with some analysis	works	does not work. However works for queued drillthrough after fixing empty namespace for 'command' and 'statement' element in execute drillthrough SOAP request. However, built in jpivot drillthrough does not work at all
Multiple filter	works - dt fails(works if we remove where part of calculated member)	works - dt fails(works if we remove where part of calculated member)	works - dt fails(works if we remove where part of calculated member)	works -dt fails(works if we remove where part of calculated member)
Autogenerate	works	works	works	works
Analysis	works	works	works	works
dimension navigator	works	works	works	works
with member	works	works	works	works
dashboard	works	works	works	works

Note: Sometime, some analysis do not get created by dashboard/autogenerate. I think this is the resource problem on my system.