Google has been working hard on Android 13, just recently releasing the Developer Preview 2 build of the OS. As the current timeline goes, we can expect to see the first Beta build sometime in April, followed by a few more beta's and likely a full release in August, September, or October. Google is not committing to any launch window. Shortly after DP2 dropped, some interesting changes were documented within a developer resource titled "Battery Resource Utilization". It goes over some new rules and limitations regarding the "restricted" App Standby Bucket state an app can end up...
Source: https://www.gsmarena.com/android_13_will_notify_users_of_high_app_background_battery_usage_using_complex_monitoring-news-53637.php
