Looks like there are wrong release years on releases page:
https://ipsilon-project.org/releases.html
According to this information people can guess, that this project is not developed for years.
Fixed, thanks.
Metadata Update from @abompard: - Custom field component adjusted to None - Custom field type adjusted to None - Custom field version adjusted to None - Issue close_status updated to: Fixed - Issue status updated to: Closed (was: Open)