All functions

badge()

Embed a lifecycle badge in documentation

deprecate_soft() deprecate_warn() deprecate_stop()

Deprecate functions and arguments

deprecated() is_present()

Mark an argument as deprecated

expect_deprecated() expect_defunct()

Does expression produce lifecycle warnings or errors?

last_warnings() last_warning()

Display last deprecation warnings

pkg_lifecycle_statuses() lint_lifecycle() lint_tidyverse_lifecycle()

Lint usages of functions that have a non-stable life cycle.

signal_stage()

Signal other experimental or superseded features

verbosity

Control the verbosity of deprecation signals