The included version of zlib has been updated to 1.2.6.

with zero weight.  (Reported by Berwin Turlach.)

turn on most of the customizations that CRAN uses for its incoming

mistakes and for some packages are wasting a lot of space.  These

, files generated by running LaTeX, and unless

Note that only PDF vignettes have ever been supported: some of

these files come from DVI/PS output from the Sweave defaults prior

) even though no OpenMP flags were populated.

computation to find an S4 default method.

could overflow a buffer if the last line

packages which used S4 classes but did not

The HTML Help Search page had malformed links.

A couple of instances of lack of protection of

are ignored and the latter trigger an error.  (

The text of a function body containing more than 4096

bytes was not properly saved by the parser when entered

the parser to go into a loop.  (Reported by Hans-Jorg Bibiko.)

Printing of arrays did not have enough protection (C level),

could segfault if called with a non-existent

There is a partial workaround for errors in the TRE

regular-expressions engine with named classes and repeat counts of

The Quartz device was unable to detect window sessions on

Mac OS X 10.7 (Lion) and higher and thus it was not used as the

default device on the console.  Since Lion any application can use

window sessions, so Quartz will now be the default device if the

which is at least close to the behavior in prior OS

would fail in code assembling the translated

error message if some (but not all) cores encountered an error.

number of physical cores (rather than CPUs) on Sparc Solaris.

It can also do so on most versions of Windows; however the default

Reference classes now keep a record of which fields are

for some optimization failures (where the answer might be a

on a Unix-alike now takes the process ID

) because the parent and all the children share a

session temporary directory, and they can share the C random

number stream used to produce the unique part.  Further, two

now emulates auto-printing rather than printing (which can differ