Unfortunately what they claim in emails is often generic and not accurate. The most reliable source of information are other people also waiting.
If you search this thread you’ll see a lot of people being told the same thing for way longer than reasonable. And if you l look for your exact variant you’ll see a lot of other people also waiting.
It seems they need to sell a full batch of one variant before it’s produced and with orders being split over 8 variants that just takes way too long.