Exclusive - Cat4500euniversalk9spa031100e1527ebin

on compatible supervisors and standard Layer 3 protocols like OSPF, EIGRP, and BGP (depending on license). Migration Path : Users on this version often look toward migrating to the Cisco IOS XE 16.x (Everest/Gibraltar) train for newer security features and long-term support. Cisco Community Quick Verification

(Includes strong cryptographic features for SSH, SNMPv3, and HTTPS). Release Date: Approximately March 2019. Maintenance Status: Extended Maintenance (EM). Supported Hardware cat4500euniversalk9spa031100e1527ebin exclusive

You can jump from 3.X to 16.X , as per my understand Cisco sto developping denali code that is 3.X. they are more focussing on 16. Cisco Community on compatible supervisors and standard Layer 3 protocols

The Cisco Catalyst 4500E series switches, with the cat4500euniversalk9spa031100e1527ebin exclusive image, offer a powerful and versatile networking solution for organizations of all sizes. With their high-performance, scalability, and reliability, these switches are ideal for a wide range of applications, from traditional enterprise networks to modern, software-defined networks. Release Date: Approximately March 2019