packages can be installed from repositories which offer

expected except on rather old OSes (an example being OS X

(Windows only) The default method for accessing URLs

using Windows API calls.  This changes the way

proxies need to be set and security settings made: there have been

sites being inaccessible under the new default

method (but the previous methods remain available).

flexibility when a list should be returned.

which (unlike the change from 4.x to 5.0) is a minor update.

method: to revert to the previous default use

There are implications for how proxies need to be set (see

offer HTTPS mirrors in preference to HTTP mirrors.  This changes

has been modified to support FreeBSD >= 10

The HTML help page links to demo code failed due to a change

window was closed while it was in use. (

the C stack when the timezone had a non-standard format much

longer than the standard formats. (Part of

exactly one character, as that has been a documented requirement.

which together with other changes, e.g., the default for

efficient for large dendrograms, now using

spurious errors.  (Reported by Radford Neal.)

Reference classes that inherited from reference classes in

another package could invalidate methods of the inherited

class. Fixing this requires adding the ability for methods to be

, with the object supplied explicitly as the first

due to alignment issues.  (Reported by Radford Neal.)

Auto-printing of S3 and S4 values now searches for

namespace instead of searching the global

ions, e.g., on subsets of the original data.

now also returns a class definition when it is

now checks that its input is valid UTF-8

and you are advised to consider this for code

more flexibly extracts dates from package

and hence can be used more generally as an efficient

The included version of PCRE has been updated to 8.37, a

no longer duplicates a matrix when extracting

characters corresponding to a range of source references to be

(instead of sometimes very slightly outside).

it does for the corresponding numeric or negative number