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The logit() function ‘qlogis(lp, log.p=TRUE)’ no longer prematurely overflows to ‘Inf’ when p := exp(lp) is close to 1.
Updating methods for a group generic function requires resetting the methods tables for the members of the group (patch contributed by Martin Morgan).
‘library()’ failed to cache S4 metadata (unlike ‘loadNamespace()’) causing failures in some packages without a namespace (those using reference classes, e.g.).