is recommended for hardware models like the Cisco Catalyst CW9800M and CW9800H1/H2.

As of May 2026, Cisco continues to actively release updates for the Catalyst 9800 series. Recent major releases include: : Released April 10, 2026. Cisco IOS XE 17.18.3 : Released April 19, 2026. Cisco IOS XE 17.15.5 : Released February 26, 2026.

is the recommended stable build for the C9800-CL Cloud Controller and hardware models such as the C9800-80, C9800-40, and C9800-L. Key Features in Recent Releases