Android 11 (R) is in beta testing currently.
https://images.ecloud.global/dev/FP3/
There’s a guide to upgrade manually to R, but currently …
… but just to say: It’s coming.
And regarding “old”: The Android base (AOSP) still gets security updates for Android 10 currently. As long as that’s the case, “old” is a subjective perception or plain marketing.