Yup, February 10:
Water: Avoid Alt+Ctrl+Letter keyboard shortcuts because it’s same as AltGr and breaks on non-US keyboards. Sigh.
I had to change Ctrl+Alt+B & co to Ctrl+Alt+Shift+B — though that seems to be the reverse issue, since that new combiner’s worked, and just the version w/o Shift was problematic… Weird.