Here’s a nine page thread with people in the same boat.
It’s currently around 10-12 months of wait for the R-Line. Go through the thread, you’re far from alone.
.. sadly. At least you’re at the end of the wait now (ish), we only ordered our GTE a week ago, so we’ll be lucky if we get it before winter next year. 🙁
Prior: SEAT Ateca Xcellence Lux 1.5 TSI DSG MY19, VW Golf GTE PHEV DSG MY23
Current: Hyundai Ioniq 6 Ultimate
Next: we'll see what's available in 2028.