The Meta Quest v55 now features improvements such as enhanced explore function, increased performance, and additional enhancements. - Oculus Blog
Meta Quest v55 Update: Performance Boosts, Improved Explore, and More
The v55 update is now available for Meta Quest headsets and promises to be speedy, much like Sammy Hagar's famous song. Visit the Oculus Blog for more details on the update.
Source: https://www.meta.com/blog/quest/v55-software-update-cpu-gpu-performance-boost-improved-explore/