Taiwanese publication Digitimes is reporting that Apple is developing a new keyboard for its iPad Pro line that will use a traditional scissor switch mechanism like the new 16-inch MacBook Pro. For the first time, Apple's first-party keyboard accessory will also reportedly feature backlighting for the first time.
https://www.notebookcheck.net/Next-iPad-Pro-keyboard-could-feature-scissor-switches-and-backlighting.451123.0.html