NOTE: ReWire was discontinued by Propellerheads / Reason Studios in 2020. Consequently, FL Studio as a ReWire device is also now deprecated in FL Studio. Official support ended with FL Studio 20.7. Please use FL Studio as a VST/AU to use it in other DAWs.
Does FL Studio Rewire or VST support keyboard shortcuts?
No.
While the standalone version of FL Studio does support Keyboard Shortcuts, FL Studio VST and Rewire do not support the use of keyboard shortcuts from the host back to FL Studio.
It has proven very difficult to get keyboard shortcuts working correctly in the multitude of hosts.
There are no plans to add keyboard shortcut support to the program.
Image-Line Support Team