At this point, the slow growth in distribution numbers for the latest version of Android is nothing new - the fact is, it's always been like this. It's still pretty funny to see Oreo at a whopping 0.3% of the market at the moment, growing from 0.2% one month ago. When interpreting those numbers, remember that Google released Android 8.0 Oreo back in August - but even so, it was nowhere to be seen in the chart in September. Anyway, this also goes to show how few Nexus, Pixel, and Sony devices are out in the wild, because up until now only (some of) those launched with or got updated to this...
Source: https://www.gsmarena.com/oreo_reaches_03_of_the_android_market_in_latest_distribution_chart-news-28229.php
