RPi 4B - LC2.8.4 vs LC2.9.2 - Queue MDI Commands, Run From Here

My RPi mill is currently LC2.9.2, and very successful.
But I cannot queue MDI commands, and Run From Here starts back at the beginning.

I have assembled a test setup to check operation of my old 7i96 Mesa, and installed LC2.8.4.
The LC2.8.4 allows queuing MDI (checked to 8 in stack), and Run From Here does just what it says.

I am inclined to change the mill back to LC2.8.4 to regain the "features".
What are the pro/con ?
Will LC2.9.3 include the "features" ?

The old Mesa card, originally removed because of perceived ethernet problems, is refusing to connect.
I will see if I can get the card checked locally (Sydney).

John.