2022---google--from-today--all-chromecasts-are-entitled-to-an-update

The 2022 software update rollout for the Google Chromecast family provided critical performance, security, and protocol refinements to legacy models, shifting away from maintenance-only support. This initiative extended device longevity, reduced e-waste, and reinforced a unified security and functionality baseline across the Google Home ecosystem. Read more on the Google Blog.