Now, with the April 2023 security patch, Chromecast is receiving an update with Google TV.
On a Chromecast with Google TV 4K we are already seeing that 140MB update, though they also releasing the HD model similar once they did before. The last update was coming in January 2023 with a security patch level for both the HD and 4K Chromecast with version number (STTE.221215.004.A1).
In the recent update, it may be possible that this update fixes some issues or some not. Those users who want to download the April 2023 update on their Chromecast with Google TV, need to open Settings>System>About>System> update.
At last, this update is now widely rolling out you can download it and experience it.