Observations please

You are starting flowering and going into a massive growth spurt. The brown straight tips is potassium deficiency. Now if the curl up and in it is nutrition burn. Easy on your nitrogen level as it will become less important then potassium, and phosphorus the rest the way through grow. Lighter colored new growth is chlorophyll starting to react to light and work. Leaves don't start green. When exposed to light they turn green. Plus the shade of green will tell how much nitrogen is in the plant as well. Good luck and happy growing 🌱

Light burn leaf curl up like a taco shell... Tips browning might want to watch amount of nutrients.. Check ur ph level of your water runoff after u water ..hope it helped GrowMie

As already mentioned when flowering stretch/fastest growth spurts happen, it is totally normal that newest shoots and youngest leaves are still formin and theyre lacking chlorophyll. And that is what gives the yellowish hue look on newest leaves. As the leaf/leaves developes and gets bigger and starts to get into the shape and if yellowish hue still remains, then you should check your feeding regime that if you feed enough Mg, Fe, Zn and S. Those are needed in trace amounts and usually normal bottle nutes do include them acceptably. More common reason would be pH being off or excessive *something* is blocking the uptake.

don't worry all new growth after the flip is yellow, it will get greener in the next few days.

Hello buddy no you don't have light burn. Your plant is very nice. Continue your good job man. Bye

She looks healthy dude, keep doing what your doing.

looks good to me growmie, this one is going to get quite tall so make sure you have plenty of space 🚀