Build 3.0.0.92 of xlsgen fixes a problem related to comments. Namely the "always show" state is properly read and written back, for XLS and XLSX files.
Build 3.0.0.91 of xlsgen ensures that whenever an XLS file is opened, updated and the output is an XLSX file, scenarios (as in Excel scenarios) are converted to XLSX as well.
Build 3.0.0.90 of xlsgen improves the handling of transparent PNG pictures when they are rendered. Before this build, transparency was rendered as black.
Build 3.0.0.89 of xlsgen improves how worksheet duplicate works. Text boxes and vector shapes are now duplicated, along with their rich formatted labels whenever applicable.