Google details new firmware for Chromecast with Google TV and Nest Wifi Pro

Today’s (October 29, 2026) Google Home release notes detail what’s new in firmware updates for the Chromecast with Google TV and Nest Wifi Pro. Related: Google Home and Nest speakers getting seven updates, including for Bluetooth & audio quality The first update of 2026 for the Chromecast with Google TV (4K) rolled out earlier this month. At the time, Google’s changelog only mentioned the August 2026 Android Security Patch Level and “Other bug fixes and performance improvements.” This changelog adds “Connectivity, media streaming, and display performance improvements.” Android Security Patch Level upgrade to August 2026 Connectivity, media streaming, and display performance improvements General bug fixes and system stability enhancements Google also noted today that the Chromecast with Google TV (HD) is receiving this update, but the new firmware build hasn’t been posted yet. Meanwhile, the Nest Wifi Pro sees three updates: Networking: Enabled automatic failover to ISP DNS when public DNS is blocked. Enhanced node setup reliability. Platform & Wireless: Optimized mesh RSSI and client-steering performance, and enhanced wpa_supplicant and DHCP client stability. Ecosystem & Security: Rolled up Google Home Platform updates and applied comprehensive security enhancements. The updated firmware does not appear to have rolled out yet as the listed and on-device version remains 3.78.518349 from February/March 2026. Google also details what’s new in this month’s Nest Wifi (2019) update we previously spotted: Enhanced mesh network resilience and DNS fallback improvements Other stability and security vulnerability fixes FTC: We use income earning auto affiliate links. More.