Because of how Safari identifies itself, whenever a new version is released it is often identified as the earliest version of Safari we have on record, which is 0.8.2.
At Adobe, we only update browser identification (also known as lookups tables) on scheduled Maintenance Releases, which roughly happen every four weeks (Thursday afternoon MST time).
This will only be effective on data in the future so historical data will not be amended.
To check information on upcoming/past Maintenance Releases have a look at this page:
You can also sign up to receive release notes one week prior to the monthly product update by using the Adobe priority product update:
There is currently an open request with Engineering to change this to something like Unknown version. This article will be updated when that has completed.