Changes in version 1.0.6 (2025-10-29)                  

  - Fixed minor issue on regular expression in psid_str() for variables
    names in earlier waves. Thanks Jiao G. for pointing this out!

                 Changes in version 1.0.5 (2025-07-15)                  

  - Explicitly declared R (>= 4.1.0) as a dependency due to use of
    native pipe and anonymous functions.
  - No changes in functionality.

                        Changes in version 1.0.4                        

  - Minor maintenance update: added merge key for 2023 waves

                 Changes in version 1.0.3 (2024-02-05)                  

                 Changes in version 1.0.2 (2024-01-23)                  

                 Changes in version 1.0.1 (2024-01-21)                  

                 Changes in version 1.0.0 (2024-01-15)                  

  - Initial CRAN submission.