Toy Story 4 actually used different virtual cameras. You can tell because the scenes with Bo Peep have oval bokeh which indicates an anamorphic lens, while all the other scenes have regular circular bokeh. (https://mtv.mtvnimages.com/uri/mgid:ao:image:mtv.com:677106?height=1337&width=2376)
Toy Story 4 actually used different virtual cameras. You can tell because the scenes with Bo Peep have oval bokeh which indicates an anamorphic lens, while all the other scenes have regular circular bokeh. (https://mtv.mtvnimages.com/uri/mgid:ao:image:mtv.com:677106?height=1337&width=2376)