Vineet... this is an issue affecting LOTS of sites... the response from Ruckus (including that article you link to here) has been dismal.
We (Prince Alfred College - in South Australia) reported this issue 11 months ago... we've had the 'roam-save 2' change in place for 10 months and still have macOS clients running 10.15.4 and 10.15.6 that are still exhibiting this problem.
That article also states "Ruckus wireless AP has connectivity issues with Catalina version of MacOS; ALTHOUGH TECHNICALLY NOT TRUE, customers like to get technically analyzed answer to prove otherwise" ...I note that there is no "technically analyzed answer" provided!
For your reference, in the last 9 months we have tested, Cisco Meraki, Cisco Aironet, Aruba, Ubiquiti, Xirrus, Aerohive and Mikrotik AP's in the same environment, against the same RADIUS server. Ruckus are the only AP's that exhibit this issue.
Can you explain that?
... or point us to an article that does.