in the last pictures you can see what to me look like an early deficiency of K. Since she is in the first stages of flowering I would say that's the case, reading the literature online i noticed a lot of similarities, what do you think?
You're spot on.... and the fix is a bit complicated as you really need to figure out WHY you've got this deficiency... this is a good article to help you out... https://www.royalqueenseeds.com/blog-potassium-deficiency-in-cannabis-plants-a-how-to-guide-n671
Good luck!