Many cheap chinese web cameras from non know brands,really problematic to make work printers which older from 2015 for example canon ,Lexmark cause they use proprietary communication protocols and thus drivers for inux or exist in shitty state which would not work on modern system but worked on Ubuntu from 2012 or not driver not exist at all and so on other very specific type of devices
In some release they removed gdebi package installer so it made unavailable to install deb files with gui