TSW build 674 "the Brush that was broken"

[_o_OOOO_oo-Kanawha]

Apparently some sound bugs passed by the QA and a hot-fix was deemed necessary to bring your game to build 674:
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Today we are bringing an update to Train Sim World 2020. This update addresses the issues reported to us with regards to locomotive sounds.

BR Class 31 Loco:
· Resolved an issue whereby running with certain loco numbers could compromise engine audio
· Resolved an issue whereby applying the throttle before voice over completion could lead to the tutorial becoming blocked for completion.

Update Size:
TBC
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TBC? I don't even own the Class 31 and still got a 131 MB update?