Clément has analyzed the astigmatism level in the North arm, see his slides on the TDS: VIR-0562A-25

The level appears to be 1.4m when cold, increasing to 1.9m when the RH's are on. However, the error is +/- 0.2m on both, so the null hypothosis is still plausible.

Work is ongoing on the orientation measurements. 

Additionally, the results for the dual arm scan, by Yuefan in 2021 are here: https://tds.virgo-gw.eu/?r=19337 and an earlier method using an impulse applied to the mirrors: https://logbook.virgo-gw.eu/virgo/?r=42701