Bug: hiding all day events doesn't work anymore

Toggling Settings / Calendar / "Show All Day Events" doesn't show any impact anymore. All day events are always shown as c1b, c1t etc, regardless whether the setting is activate or deactivated.
It worked fine till the last update. Please fix it.
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Sorry, it wasn't a problem of WatchMaker but of the calendar handling. This topic can (and should) be closed!