This notion has been supported by multiple parties, many of whom have had stellar track records when it comes to Apple rumors. Now it looks like those rumors are being further corroborated thanks to a line of code within the Pages app as discovered by French website Consomac (via BGR).
According to the code, it has a phrase which reads, “Customize Function Row”, which like we said, is pretty much the whole idea behind the OLED touchscreen in the first place. It also seems to suggest that while the functions displayed will be contextual depending on the app, users will also be able to customize it further.
Maybe they can move certain buttons around, or maybe display functions or tools that they might use more often and so on. That being said it is entirely possible that it could be in reference to something else, so for now maybe take it with a grain of salt and a dose of skepticism, but if anything this MacBook Pro update is certainly shaping up to be rather exciting.