testthat 3.1.3

• Package that explicitly depend on rlang in their description file
  are now opting into a new snapshot display for errors, warnings, and
  messages. Previously this only concerned packages that explicitly
  depended on rlang >= 1.0.0. This display will eventually become the
  default for all packages.

  Changes include:

  • Condition classes are no longer included in the snapshot by
    default. This is to avoid snapshot noise when upstream code adds
    or changes a class. For instance, r-devel has added classes to
    base errors.

  • Warnings and errors are now printed with rlang, including the
    call field. This makes it easy to monitor the full appearance of
    warning and error messages as they are displayed to users.

    This change is part of a push towards mentioning the useful
    context of an error as part of messages, see the release notes of
    rlang 1.0.0 for more about this.

• Test results show hyperlinks to failed expectation when supported (#1544).