only removes the left panel, not the right

Works as described.

Unfortunately, it doesn't use all the available width of the screen.

This is awesome and beautiful. It would be even better if you would add the option to show a copy-text icon on the top right of the textboxes so that can easily copy to clipboard.

Super clutch! Thank you for writing this. Now that I've gotten used to having this on, I can't stand the site without it...

...which brings me to why this 4/5 rather than 5/5 stars: it doesn't take effect on https://askubuntu.com, and presumably other sites of the stack exchange network that don't use the stackexchange.com top-level domain.

Any chance of adding this?

Hell yeah, this is great! I can't stand the side bar... like I'm trying to get shit done don't distract me with weird ass questions about lord of the rings or the latin origin of the word "pseudo".

Good, but I would like to have an option to see "related" sidebar

This extension saves my workday. No longer do I have to get lost in the plethora of dangerously intriguing questions. A must-have.