I apologize if this was mentionned in another thread or if I just missed it somewhere, but it looks like the audio at the beginning and end of the ride when Judi Dench isn't narrating were edited (possibly rerecorded? The inflections and audio quality seemed different to me) to remove references to Siemens, at least as of tonight, possibly earlier.
I heard this for the first time yesterday. There is definitely new audio with a new voice actor for the announcement after you complete the turn back and alerting you about doors opening soon, etc.. It was just different enough a voice that it caught me by surprise. It obviously removes all references to Siemens. I wasn't paying attention on the load side but it is definitely updated on the unload side.