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A general description is here.
‘rmultinom()’ now uses Kahan's arithmetic instead of ‘LDOUBLE’ to avoid platform dependency, thanks to Mauricio Vargas' proposal in PR#18693.
‘intToUtf8(<negative>)’ now returns ‘NA’ and no longer accesses invalid
memory, thanks to Kevin Ushey's report with patch in PR#19052.
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When subassigning ‘"POSIXlt"’, e.g., ‘<dat>[i] <- v’, ‘v’ is now converted to the time zone of ‘dat’, before being assigned.
‘intToUtf8(<negative>)’ now returns ‘NA’ and no longer accesses invalid memory, thanks to Kevin Ushey's report with patch in PR#19052.
When ‘file.choose()’ is terminated with an ‘EOF’, it now signals an error rather than returning garbage, thanks to Kevin Ushey's report and patch in PR#19053,
Subassigning ‘"POSIXlt"’, i.e., ‘<tdat>[i] <- val’ and ‘<tdat>[[i]] <- val’ now rebalance as they should; thanks mostly to Mikael Jagan's PR#18919.