backports 1.5.0

• 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

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

backports 1.4.0

• 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

• 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

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

backports 1.2.0

• 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

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

backports 1.1.9

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

backports 1.1.8

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

backports 1.1.7

• 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

• 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

• 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

• Fixed import of warningCondition() and errorCondition().

backports 1.1.3

• 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

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

backports 1.1.1

• 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

• 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

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

backports 1.0.4

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

backports 1.0.3

• Removed stringi dependency.

backports 1.0.2

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

backports 1.0.1

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

backports 1.0.0

• Initial version.