Changes in version 2.0.1 (2026-01-15) Patch to fix upcoming release of dplyr which depreciates id(). Flagged in revdep checks and bug in phaseplane code to accomodate u and v as variables. Changes in version 2.0.0 (2025-08-23) Updates to include the native pipe (|>) and other life cycle improvements from associated updates to tidyverse packages and contributed github issues. Changes in version 1.1.0 The phaseplane function now can pass through parameters of a differential equation. Changes in version 1.0.1 (2022-09-16) Correction of the data frame global_temperature - the variables in the data frame were different from the ones listed in the documentation. Changes in version 1.0 Initial preparation and release of package to CRAN.