Google has resolved a setup issue affecting older Chromecast devices that arose after an update to the Google Home app, which left many users unable to set up their devices. Users are advised to update their Google Home app to version 4.26 or newer to resolve the issue. Those still experiencing problems after the update should contact Google's support team. Prior to the fix, users had attempted various workarounds, and confusion was exacerbated by updated support documentation suggesting that older devices were no longer supported. The issues were determined to be due to a software glitch rather than a withdrawal of support.