developer.kde.org has the announcement along with this information: The 1.1 release will come with major improvements in the following areas: many features added to KSpread and KPresenter;
improve speed and usability of KIllustrator;
rewrite of KWord using Qt's richtext engine
much improved mathematical formula support;
addition of Kivio (Flowcharting program);
improvements to the filters, especially the MSOffice import filters ...
April 3, 2001