Just in the last week or so the leaves are cupping the plant looks pretty heathy. It is producing a few peppers but they have brown areas on them that are very thin
Why Are the Leaves on My Green Bell Pepper Plant Cupping?
Certified GKH Gardening Expert
This is likely caused from heat stress and the spots on your peppers attributed to sunscald (which is like sunburn for plants). Make sure the plants receive extra watering when temps rise above 85 F. and if necessary, you may need to provide some shade (with translucent shade cloths) during the hottest part of the day. This article has more info about sunscald in peppers: https://www.gardeningknowhow.com/edible/vegetables/pepper/pepper-sunscald.htm