An option for a side-by-side view of two notes would be a great addition
My use case: I often take notes during meetings or while working at a customer site, and later on consolidate them into a high-level summary and/or to do list of multiple meeetings. Having a side-by-side view would allow me to have the summary always open on one side and iterate over the single meeting-notes on the other side.
The nemo file manager offers a similar functionality with the following UX:
F3toggles side-by-side view ("split view")
- there is exactly one navigation pane that shows the location of the currently active side (and allows to change the location)
I'm not sure if this is the best solution, but I'm growing used to it and wanted to leave it as an example.
There were previous similar topics, but they went into another direction or wanted to go for full tiling: