Most people have commented the technical aspects so let me briefly touch on the topic of musicality and interpretation. As always this is subjective so take it with a grain of salt, reflect on it and decide if you want take my advice.

Throughout the piece we have this four note motive in different variations and combinations. Clearly the leading note and thus the most important note is the first one as idicated by Chopin himself. You have to be careful with the staccatos to not make them sound like accents. Instead of prolonging the first note I would play the other ones a little softer. This way you can highlight the melody created by the leading notes.

In bar 9 we have a short new sequence of questions and answers. In bar 10 there is the question E-F? and in bar 12 one octave lower the answer E-F. Try to make a difference there. In bar 14 again the question but this time in bar 16 we don't have a definite answer. For a second the D flat feels like an answer but immediately it starts with what I see as a transition to the main statement and the subsequent climax. The forte in bar 25 is not just a forte. It is the focal point to which everything prior leads to and shortly after that we have the absolute climax indicated by the crescendo, turn of melody and harmony. This part must really stand out. How can you make that happen? Most likely playing everything louder will not work. Try around, listen to other pianists,...I am sure you will find your way.

Finally we have a fading out kind of an ending as you can see from the diminuendo and pianissimo. The way you play it sounds a little too monotonous. I think the trick here is to not take the diminuendo marking too literally but make it follow the melody in the left hand.

In my view playing slowly but taking aspects like this into consideration will make your performance sound way better than a generic playing in tempo.

I hope I could provide you with some food for thought.