Benefits of upgrading to RH 8.1

Hello, I am still running default OpenSSH that came with RH 6.10. I think my clients connecting from their SSH versions are all running RH 6.9/10 with OpenSSH v5.3.What are the benefits of upgrading to 8.1 and will 5.3 have issues connecting to 8.1?

Please check the link below
If you’ve been hanging on tightly to your Windows XP or Windows 7 installation, the arrival of Windows 8.1 might just tempt you to let go, and we’re about to tell you why. Early Windows 8 problems have been ironed out, extra features and tools have been added and Microsoft seems to be more sure of its footing in this brave new world of mobiles, tablets, touchscreens and traditional computers. Browse through our collection of notable benefits that make 8.1 an appealing upgrade, and why you should make the switch.