Kindle no longer supports .mobi format

[bumper314]

What can be done to support the newer Kindle format?

EDIT: It appears you can still sideload these .mobi books onto a Kindle using the cable, however Amazon no longer supports .mobi books using the Send to Kindle app/website.

[Vuizur]

I thought that kindle still only supports these mobi dictionaries, or is there a new way to do things?

[bumper314]

I don't know much about the dictionaries, I just encountered issues trying to send the .mobi file using Amazon's Send to Kindle app and website, both told me that .mobi is not longer supported and to use .epub instead. As mentioned in my EDIT, it is still possible to sideload these dictionaries using a USB cable to my computer, so it does work, you might just need a note on the README to inform users how to load these dictionaries now.