Yes the issue is chip and wiring shortages, but, manufacturers also make model year changes, and this can catch people out as lead times are quite long, if you ordered a, say SEL, if the car is supplied as an SEL, you have what you ordered unfortunately. Back to buyer beware, and before going to collect, check the latest specification in manufacturers website against the spec when you ordered. If any changes,mtgen yiu can decide if you want the car or not.
if there are options you have paid for are not there,mtgats a different scenario.