Place a tall plant in the corner!

The art is mounted too high

The corner could use some type of floor or wall lamp that will extend over the sectional.

I'd pull the round table and the dining chair. They clutter the room

The coffee table could be larger.

I'd add fixed drapery panels in gray to the windows keeping the shades.

Thank you, great ideas!

Put several smaller art work ( picture frames) where the big one is and replace mirror with
Metallic art work or ornamental decor. Anything but not a mirror.

Thanks!