httr 0.4 is now available on CRAN. The httr packages makes it easy to talk to web APIs from R.
cookies()functions to extract headers and cookies from responses.
status_code()returns HTTP status codes.
PATCH()) now have an
encodeargument that determine how the
bodyis encoded. Valid values are “multipart”, “form” or “json”, and the
multipartargument is now deprecated.
GET(..., progress())will display a progress bar, useful if you’re doing large uploads or downloads.
verbose()gives you considerably more control over degree of verbosity, and defaults have been selected to be more helpful for the most common cases.
queryparameters are now dropped automatically.
There are number of other minor improvements and bug fixes, as described by the release notes.