https://wccftech.com/14-2-1-software-update-released-for-homepod-and-homepod-mini-download-now/

Today, Apple has seen fit to release the new 14.2.1 software update for HomePod and HomePod Mini. The new update arrives a month after the release of the previous 14.2 software version. If you happen to own a HomePod or the new HomePod Mini, you can download the latest version right now.

At this point in time, there is no word what Apple has added in the latest version of the 14.2.1 software update. However, we will update you guys as soon as something new is discovered in the latest build. Take note that the update will improve the overall stability and performance of the smart speaker. Apple's release notes for the latest 14.2.1 also mentions general performance and stability improvements.