I was introduced to a multi-boot device back on 10 January 2015 by a post made on this website by gauchocollie. It was MultiSystem http://liveusb.info/dotclear/. I have used it since then on several USB flash drives at our installfests in Tempe and Sierra Vista. An AZLOCO and CLUG member and I were talking recently and he asked me if I had tried Ventoy https://www.ventoy.net/en/index.html. I tried it and it is easier to use and update than MultiSys. The features are listed on their website.
Just download the latest version, extract it, open a terminal, and follow the instructions on the document page. It is free and open source software and will work on Linux and Microsoft. Plus 90% of the distros on DistroWatch are supported. That is over 580 ISOs. If you are tired of carrying around multiple flash drives try this. You may find it useful.
Ubuntu 20.10, Groovy Gorilla, was released on 22 October 2020. It is available for download at https://ubuntu.com/#download. There are also links to all of the Ubuntu “flavors” on the bottom right side of that page as well as links to torrent downloads. Ubuntu 20.10 is not a Long Term Support (LTS) release and is only supported for 9 months.
Ubuntu 20.04.1 was released on 31 July 2020, a scant 7 days after it was originally scheduled. It is now available for download at https://ubuntu.com/#download. There are also links to any of the Ubuntu “flavors” on that page. If you already have 20.04 installed on your computer, it will automatically become 20.04.1 during your daily (or weekly) updates. The same is true of any of the “flavors.” One reason why this release is important is that now you may see an upgrade option from 18.04 to 20.04. This appears right around the time of the first point release of a new version. Happy Ubuntu-ing.