Over 80 advanced, powerful shortcodes for displaying the content of your WordPress website.
Yes - please use the oik plugin forum
Yes - see above
The shortcode reference also includes the standard WordPress shortcodes and help for other shortcodes provided WordPress and other selected plugins (e.g. Easy-Digital-Downloads)
The Application Programming Interface (API) reference documents over 960 APIs, implemented in 86 files with 55 action hooks and filters.