Thanks for the bug report and helping to make Ubuntu better! Upon investigation, it seems as though you've reported an upstream enhancement request. Ubuntu does not directly contribute to the code of upstream projects in this way, so it's better to make such requests directly yourself. To make the request, take a look at the information on the website at this link: https://calibre-ebook.com/get-involved
Thanks for the bug report and helping to make Ubuntu better! Upon investigation, it seems as though you've reported an upstream enhancement request. Ubuntu does not directly contribute to the code of upstream projects in this way, so it's better to make such requests directly yourself. To make the request, take a look at the information on the website at this link: https:/ /calibre- ebook.com/ get-involved