Created attachment 172570 [details]
The part I am talking about (at least on the left side)

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SUMMARY
The left and right panels have a lot of tabs on them(Albums, tags, labels, dates, properties, Metadata, etc). It'd be great if I could customize the order of these tabs and have the option to hide them. This would make the workflow more customizable to the user and have the option to remove clutter. Maybe even have the option to hide the left or right tab-bar. 

In addition, the option to stack the tab-bar options on top of each other so they can have a vertical(or horizontal) split view. For
example, having the search and tag panels on top of each other so you can easily use both of them to search for images.