Last year, my lawn was newly seeded with turf-pro (contractor version of Jonathan Green Black Magic, as I'm told) tall fescue blend. It yeilded a beautiful dark green, thin bladed lawn. But there were some patchy areas which I reseeded again this spring with the exact same grass (Bought from the exact same store and I compared the grass seed blend ratios, and they were the same). I followed the seeding with starter fertilizer and magical But the previously bare areas now have grass that's noticably lighter in color, and the blades itself look different. Doesn't look anything like the rest or the usual tall fescue.

pictures are as follows
old grass
new grass
whole lawn showing light green patches
grass seed bag

can someone please help me identify what this new species of grass is?

thank you