I have seen some timelines from Lawfully community that some people got approved within 6 to 9 months recently for people who have applied in 2023. Also USCIS has introduced a new cycle to complete most of processing within six months. FollowWell you're lucky if you get approved in 12-15 months. I'm waiting 18 months and nothing so far.
egov.uscis.gov/processing-times/reducing-processing-backlogs