It's FOSS - https://itsfoss.com/ubuntu-drops-32-bit-desktop/
Brief: Ubuntu is dropping 32-bit desktop images from the upcoming Ubuntu 17.10 release. This paves the road for killing 32-bit support entirely from future Ubuntu releases.
Remember I told you about Ubuntu considering to drop 32-bit support in March this year? It seems the decision has been finally made.
Ubuntu is officially dropping 32-bit builds of the Ubuntu 17.10 desktop.
Canonical’s Dimitri John Ledkov, who had proposed the removal of 32-Bit support in March, has instructed the Ubuntu release team to remove the Desktop i386 images.
Please action the below and remove Ubuntu Desktop i386 daily-live images from the release manifest for