Solo miners continue to withholding blocks

Then they are broadcasted after 5-10 minutes! Not enough power you have to even cheat !!!!

Can you point to where in the blockchain you saw this?
Normally, a selfish mining attack results in an increased orphan rate, and is pretty visible. It doesn't seem unusual thus far:
https://chainz.cryptoid.info/ric/orphans.dwsBut maybe I'm not understanding what you're saying.
Also, nice diff - if this stays through tomorrow's high-diff block it will produce a new record.
If someone holds over 50% of the nodes they can broadcast the blocks when they want without generating orphans! Strange you (programmer) do not know these things.....
Remember the superblock of last week?
It was broadcasted on the network with 2 hours and 40 minutes delay !!!! Do you feel normal? Or do we do the kids?
As we are here programmers, what you have to understand you understand!
The diff rises because of the egoists who solo mine and those only miners who withholding blocks!
If others have not noticed this... open your eyes!
Solo miners are ruining the work of pool administrators, that's for sure!Keep doing so..... good.....