Not sure this is going to be a big issue practice. Tools like ChatGPT regularly get new knowledge cutoffs and those seem to work well in my experience. I haven'

Not sure this is going to be a big issue practice. Tools like ChatGPT regularly get new knowledge cutoffs and those seem to work well in my experience. I haven't tested it with programming features specifically, but you could simply do a small experiment: take the tool of your choice and a programming feature that was introduced after it first launched and see whether you can get it to use it correctly.