Changelog • backports

backports 1.5.1

CRAN release: 2026-04-03

Removed calls to deprecated C API functions for R 4.6.0.

backports 1.5.0

CRAN release: 2024-05-23

Added backport for the null-coalesce operator %||% for R versions prior to 4.4.0.
lengths() now also works for long vectors (#64, thanks to @HughParsonage)

backports 1.4.1

CRAN release: 2021-12-13

Patched ...names() to match the new implementation in r-devel (svn rev 81283).

backports 1.4.0

CRAN release: 2021-11-23

Added paste() with support for argument recycle0 for R versions prior to 4.0.1.
Added paste0() with support for argument recycle0 for R versions prior to 4.0.1.
Added backport for ...names() for R versions prior to 4.1.0.

backports 1.3.0

CRAN release: 2021-10-27

Added backport for stopifnot() for R versions prior to 4.0.0.
Adapted list2DF() to new behaviour introduced in r81038: the inputs are not recycled anymore to common length. Instead, an error is thrown.

backports 1.2.1

CRAN release: 2020-12-09

Adapted get0() to work with R-devel / R-4.1.0 for first argument having length greater than 1.

backports 1.2.0

CRAN release: 2020-11-02

Switched to semantic versioning.
Added backport for asplit() for R versions prior to 3.6.0 (#47).
Added backport for removeSource() which also supports language objects for R versions prior to 3.6.0 (#50).
Added backport for isNamespaceLoaded for R versions prior to 3.2.0 (#49).

backports 1.1.10

CRAN release: 2020-09-15

Added suppressMessages() and suppressWarnings() with support for argument classes for R versions prior to 4.0.0

backports 1.1.9

CRAN release: 2020-08-24

Added backports for str2lang() and str2expression() (#42) Thanks to @dmurdoch.
import() imported too many functions and has been fixed.

backports 1.1.8

CRAN release: 2020-06-17

Added backport for tools::vignetteInfo() for R versions prior to 3.6.0
Fixed import of list2DF() and deparse1()

backports 1.1.7

CRAN release: 2020-05-13

Added backport for deparse1() for R versions prior to 4.0.0.
Added backport for list2DF() for R versions prior to 4.0.0.

backports 1.1.6

CRAN release: 2020-04-05

Added backport for R_user_dir() for R versions prior to 4.0.0.
Added dQuote() and sQuote() with support for argument q for R versions prior to 3.6.0.

backports 1.1.5

CRAN release: 2019-10-02

Changed license from GPL-2 to GPL-2 or GPL-3.
Added backport for isTRUE() implementing the new behaviour introduced in R 3.5.0.

backports 1.1.4

CRAN release: 2019-04-10

Fixed import of warningCondition() and errorCondition().

backports 1.1.3

CRAN release: 2018-12-14

Added warningCondition() and errorCondition() for R versions prior to 3.6.0.
Added capture.output() with support for argument type for R versions prior to 3.3.0.
Added URLencode() with support for argument repeated for R versions prior to 3.2.0.

backports 1.1.2

CRAN release: 2017-12-13

Improved import mechanism.
Added .valid.factor() for R versions prior to 3.4.0.

backports 1.1.1

CRAN release: 2017-09-25

Added ...length() and ...elt() for R versions prior to 3.5.0.
Added isFALSE() for R versions prior to 3.5.0.

backports 1.1.0

CRAN release: 2017-05-22

New import mechanism to import packages during load-time with the function import(). This is now the recommended way to use backports non-interactively. Simply importing backports in the NAMESPACE still works, but is comparably error-prone if the same library is used by multiple R installations.

backports 1.0.5

CRAN release: 2017-01-18

Added get0() for R versions prior to 3.2.0.
Added examples.

backports 1.0.4

CRAN release: 2016-10-24

Added hasName() for R versions prior to 3.4.0.
Added file.info() with backport for argument extra_cols.

backports 1.0.3

CRAN release: 2016-06-28

Removed stringi dependency.

backports 1.0.2

CRAN release: 2016-03-18

Fixed file.size(), file.mtime() and file.mode() for R-3.1.x.

backports 1.0.1

CRAN release: 2016-03-10

Added file.size(), file.mtime() and file.mode() for R versions prior to 3.2.0.

backports 1.0.0

CRAN release: 2016-02-20

Initial version.