I use macOS spaces (virtual desktops) to arrange the various apps I frequently use. I have one space setup with two Firefox windows, in fullscreen Split View mode. But by default, Firefox windows are not really “full screen” for me, in that the tabs, toolbar and bookmarks bar will still be displayed. Here is my workaround to force the browser to full screen.
I’m always eger to learn about the open source tools or frameworks developers use. I found this list a good “read” :P
I recently installed Ubuntu 20.04 LTS (Focal Fossa) (dated 23 April 2020), with the intention of creating a VM using VirtualBox 6.0.22 (released 15 May 2020). I had issues with VirtualBox guest additions, and this is how I solved it.