koobas.hobune.stream
UI Builder is missing several standard library options
I'm attempting to use the UI Builder to create a custom inspector. Despite my best efforts, I seem to be missing rather a lot of options...
Following along with a video on the UI Builder, I should have the following (and more): 
My UI Builder, however, only shows these options: 
Am I missing something? Did I make a mistake somewhere along the way? I haven't worked with Unity in quite some time, so I'm not sure if I missed something in the package management process.
It appears I did simply miss a step! I didn't enable the Editor-Only fields.
To do this, with the UI Builder window open, click the "..." button on the "Library" header, and click "Editor Extensions Authoring". This will enable many more fields for use in creating Editor/IMGUI UI elements :)
