Build 3.0.0.130 of xlsgen has a fix related to using business intelligence scenarios. In business intelligence scenarios, xlsgen infers data from spreadsheets and builds fact tables. The way tables are then inserted back in spreadsheets uses less memory now (up to 80% less).

Build 3.0.0.129 of xlsgen has a fix related to combining styles internally, particularly font styles. This is a fix for integrity reason.

Build 3.0.0.128 of xlsgen has a fix related to reading and handling system colors used in XLSX files (without users really knowing that behind the scene a white and its shades is all related to for instance the background color of all windows, meaning that if the background color of all windows is changed (in windows / config panel / desktop / appearance), it will affect how cells are displayed.