The AA offsets have been retuned since they are affected by the optical gain increase due to the increase of the 56MHz modulation index:

DiffpTX from 0.05 to 0.12, DiffpTY from -0.028 to -0.04; PR TX from -0.02 to -0.026 and PR TY from -0.001 to -0.002

the improvement is visible in the range, in the darkness of the fringe and in the 56MHz sideband (figure 1 and 2).

The improvement in the range is due to the reduction of structures above 200Hz, most probably related to diffused ligth in the SDB1 bench (the lowering of B1pDC mitigates the scattered ligth) see figure 3.