R devel - Oct 2025 - Will R 4.5.2 include time zone reconciliation in '[<-.POSIXlt'?

The change to '[<-.POSIXlt' to convert 'value' to the time
zone of 'x', along with other accompanying changes, has been ported to
R-4-5-branch with NEWS item not mentioning time zone. Has R Core been aware of
the consequences I have stated
in?https://bugs.r-project.org/show_bug.cgi?id=18919#c9 and still determined to
retain it, to be released in R 4.5.2?
To exclude time zone reconciliation while retaining other changes, just change
? ? ? ? ? ?value <- unCfillPOSIXlt(? ? ? ? ? ? ? ? if(inherits(value,
"POSIXlt") && identical(tz, attr(value, "tzone")))?
? ? ? ? ? ? ? ? ? value? ? ? ? ? ? ? ? else as.POSIXlt(as.POSIXct(value), tz =
tz[1L]))
to
? ? ? ? ? ?value <- unCfillPOSIXlt(as.POSIXlt(value))
in '[<-POSIXlt' and '[[<-.POSIXlt'.
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=======On Sunday, 19 October 2025 at 05:50:06 pm GMT+7, Suharto Anggono Suharto
Anggono <suharto_anggono at yahoo.com> wrote:


The change to '[<-.POSIXlt' to convert 'value' to the time
zone of 'x', along with other accompanying changes, has been ported to
R-4-5-branch with NEWS item not mentioning time zone. Has R Core been aware of
the consequences I have stated
in?https://bugs.r-project.org/show_bug.cgi?id=18919#c9 and still determined to
retain it, to be released in R 4.5.2?

To exclude time zone reconciliation while retaining other changes, just change

? ? ? ? ? ?value <- unCfillPOSIXlt(
? ? ? ? ? ? ? ? if(inherits(value, "POSIXlt") && identical(tz,
attr(value, "tzone")))
? ? ? ? ? ? ? ? ? ? value
? ? ? ? ? ? ? ? else as.POSIXlt(as.POSIXct(value), tz = tz[1L]))

to

? ? ? ? ? ?value <- unCfillPOSIXlt(as.POSIXlt(value))

in '[<-POSIXlt' and '[[<-.POSIXlt'.
=======
Oh, with the change, variable 'tz' is not used. So,

 tz <- attr(x, "tzone")

before it can be removed.  
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