"I noticed, in another thread in one of the forums, someone with a 7700HQ Intel Processor was updated to Win 11 without external help."
Here is screenshot of Dell Precision 3510 running Win 10 build 19044. It has no problem to get Windows 11 Dev via W.U. Same is working also with Dell T5810 CPU Xeon E5-1620v3. Both of those devices have TPM 2.0 and secure boot enabled, but unlisted CPU.