Well, it looks like I'll have to wait for the firmware update. I posted the last reply too soon, and should have run the test first. The changes to Fusion's post worked fine, and the beginning of the output is as follows:
;1001
;T1 D=6.35 CR=0 - ZMIN=0.501 - FLAT END MILL
G90
G21
;ADAPTIVE1
M5
M291 P"Insert Tool 1, D=6.35" R"Tool Change" S2
T1
G28
M98 P"g28post.g"
M3 S10000
G54
Same problem. I also changed it to put the M291 command directly in the GCode file instead of calling a macro. Same problem. Bummer!