conditions. Reported and patch provided by Lionel Henry in

contains a matrix.  Reported by Simon Wood in 2009 and patch

Additionally, it now also works when some variables are data frames,

could get spacings wrong if there were exactly two

works in more cases when returning values

by Robert and confirmed by Nic Rochette in

case reported by Robert Schlicht (TU Dresden).

now also work in large cases, thanks to a

The default detection of the shell variable

overridden for derivatives of Debian Linux, some of which have

Ubuntu 19.04.)  As before, it can be specified in

formally deprecated and gives a non-portability warning.  (It has

On Windows, GUI package installation via

works again, thanks to Len Weil's and Duncan Murdoch's

efficiently, and should work in all cases fixing

Creation of lazy loading database during package installation is

again robust to Rprofile changing the current working directory

Additionally, it works in one more case with matrix-columns which

had been reported on 2017-01-16 by Krzysztof Banas.

Correct messaging in C++ pragma checks in

ing and auto-printing no longer differs for

a bug report (with patch) by Jenny Bryan.

are now more robust against a locked file in an earlier installation

of the package to be installed.  The default value of option

) file names starting with a tilde, instead of

longer treated specially when rendered in LaTeX and hence pdf, but

Serialization format version 3 becomes the default for

serialization and saving of the workspace (

Serialized data in format 3 cannot be read by versions of

to version 3.5.0.  Serialization format version 2 is still

save/serialization functions.  The default can be changed back for

session by setting environment variables

.  For maximal back-compatibility, files

are in serialization format version 2, and resave by

default produces files in serialization format version 2 (unless

the original is already in format version 3).

The default method for generating from a discrete uniform

changed.  This addresses the fact, pointed out by Ottoboni and