Kindlegen does not work on MacOS 10.15 Catalina #7
Description
The kindlegen executable is 32bit but Catalina does not support 32bit anymore.
Amazon still offers only the CLI download link for 32bit, but they include a 64bit version in their tool Kindle Previewer 3.
https://kdp.amazon.com/de_DE/help/topic/G202131170
the new executable can be found under /Applications/Kindle Previewer 3.app/Contents/lib/fc/bin/kindlegen. Sadly I did not find any direct download, so I needed to install Kindle Previewer 3 first.
I found out about this via this forum: https://www.literatureandlatte.com/forum/viewtopic.php?p=284621#p284621