When using verical tabs, Orion only shows you either the option of 'close tabs above' or 'close tabs below' depending on if you're right clicking the last tab or not.
Orion should just always show both context options for 'close tabs above' and 'close tabs below' always. Ideally with disabled (grayed out text) for 'close all below' if no more tabs are below.
I expect this will help tab management hugely.
Personally, this would be very useful to me to clean up my tabs from a certain point in time, for example, being able to click "close all tabs above" this tab would be great, as I can close all my research from my topic from earlier:
Other browsers are able to close tabs in any direction, like Firefox:
