R 4.0.1 is released

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R 4.0.1 is released

R devel mailing list
The build system rolled up R-4.0.1.tar.gz (codename "See Things Now") this morning.

The list below details the changes in this release.

You can get the source code from


or wait for it to be mirrored at a CRAN site nearer to you.

Binaries for various platforms will appear in due course.

For the R Core Team,

Peter Dalgaard

These are the checksums (md5 and SHA-256) for the freshly created files, in case you wish
to check that they are uncorrupted:

MD5 (AUTHORS) = b9c44f9f78cab3184ad9898bebc854b4
MD5 (COPYING) = eb723b61539feef013de476e68b5c50a
MD5 (COPYING.LIB) = a6f89e2100d9b6cdffcea4f398e37343
MD5 (FAQ) = 4afa171cd982aaa60f0ba92e2e7bc5d6
MD5 (INSTALL) = 7893f754308ca31f1ccf62055090ad7b
MD5 (NEWS) = 425fd186ac71e462e66af7fb33f86ab4
MD5 (NEWS.0) = bfcd7c147251b5474d96848c6f57e5a8
MD5 (NEWS.1) = eb78c4d053ec9c32b815cf0c2ebea801
MD5 (NEWS.2) = 496062c138e2def06cebccddfb814ac6
MD5 (NEWS.3) = 012e7f4a80cc8ec947bf3f0ff6117ec8
MD5 (R-latest.tar.gz) = 8d199d11865c202cf2bd006e7f32dab7
MD5 (README) = f468f281c919665e276a1b691decbbe6
MD5 (RESOURCES) = 529223fd3ffef95731d0a87353108435
MD5 (THANKS) = 251d20510bfc3cc93b82c5a99f7efcc6
MD5 (VERSION-INFO.dcf) = 7d8af8c338a1e146f9471744d092078a
MD5 (R-4/R-4.0.1.tar.gz) = 8d199d11865c202cf2bd006e7f32dab7

2cde824a7b18958e5f06b391c801c8288be0f84fa8934b7ddefef23c67e60c09  AUTHORS
e6d6a009505e345fe949e1310334fcb0747f28dae2856759de102ab66b722cb4  COPYING
6095e9ffa777dd22839f7801aa845b31c9ed07f3d6bf8a26dc5d2dec8ccc0ef3  COPYING.LIB
eddf87b12197c7b3b19cbc9b11c1beab95b14e3dcd715bf37d2f6a8b2a72c2a1  FAQ
f87461be6cbaecc4dce44ac58e5bd52364b0491ccdadaf846cb9b452e9550f31  INSTALL
1dfd76a990f2a1b11ee4ff17284d18c2177179ee7bbaef51b32e1e7a58719596  NEWS
4e21b62f515b749f80997063fceab626d7258c7d650e81a662ba8e0640f12f62  NEWS.0
12b30c724117b1b2b11484673906a6dcd48a361f69fc420b36194f9218692d01  NEWS.1
e80de410c77f05ff2012fa70051b89119845f734a7fa5c55857e61e4ed7d5f6e  NEWS.2
7201d139947afa52b5e09d26dc01445edf444506264355b2185122bc1ed3dce0  NEWS.3
95fe24a4d8d8f8f888460c8f5fe4311cec656e7a1722d233218bc03861bc6f32  R-latest.tar.gz
2fdd3e90f23f32692d4b3a0c0452f2c219a10882033d1774f8cadf25886c3ddc  README
408737572ecc6e1135fdb2cf7a9dbb1a6cb27967c757f1771b8c39d1fd2f1ab9  RESOURCES
c9c7cb32308b4e560a22c858819ade9de524a602abd4e92d1c328c89f8037d73  THANKS
d3cdccb1b1645fce356d08892baa0587aa2aef2e851ad552d47cce856137d9b3  VERSION-INFO.dcf
95fe24a4d8d8f8f888460c8f5fe4311cec656e7a1722d233218bc03861bc6f32  R-4/R-4.0.1.tar.gz

This is the relevant part of the NEWS file



    * paste() and paste0() gain a new optional argument recycle0.  When
      set to true, zero-length arguments are recycled leading to
      character(0) after the sep-concatenation, i.e., to the empty
      string "" if collapse is a string and to the zero-length value
      character(0) when collapse = NULL.

      A package whose code uses this should depend on R (>= 4.0.1).

    * The summary(<warnings>) method now maps the counts correctly to
      the warning messages.


    * aov(frml, ...) now also works where the formula deparses to more
      than 500 characters, thanks to a report and patch proposal by Jan

    * Fix a dozen places (code, examples) as Sys.setlocale() returns
      the new rather than the previous setting.

    * Fix for adding two complex grid units via sum().  Thanks to Gu
      Zuguang for the report and Thomas Lin Pedersen for the patch.

    * Fix parallel::mclapply(..., mc.preschedule=FALSE) to handle raw
      vector results correctly. PR#17779

    * Computing the base value, i.e., 2, "everywhere", now uses
      FLT_RADIX, as the original machar code looped indefinitely on the
      ppc64 architecture for the longdouble case.

    * In R 4.0.0, sort.list(x) when is.object(x) was true, e.g., for x
      <- I(letters), was accidentally using method = "radix".
      Consequently, e.g., merge(<data.frame>) was much slower than
      previously; reported in PR#17794.

    * plot(y ~ x, ylab = quote(y[i])) now works, as e.g., for xlab;
      related to PR#10525.

    * parallel::detect.cores(all.tests = TRUE) tries a matching OS name
      before the other tests (which were intended only for unknown

    * Parse data for raw strings is now recorded correctly. Reported by
      Gabor Csardi.

Peter Dalgaard, Professor,
Center for Statistics, Copenhagen Business School
Solbjerg Plads 3, 2000 Frederiksberg, Denmark
Phone: (+45)38153501
Office: A 4.23
Email: [hidden email]  Priv: [hidden email]

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