Changes in version 1.4.1                        

  - Added support for TIMSS Longitudinal 2023.

                 Changes in version 1.4.0 (2026-03-11)                  

  - Added support for LaNA 2023.
  - Added maxtime argument to ILSAready().
  - Added support for ICCS 2022.

Remaining issues

  - No unzip of PISA and TALIS downloads.

                 Changes in version 1.3.8 (2025-04-10)                  

  - Solved an issue with mistoNAs() when haven was not loaded.
  - Solved an issue for weird behavior of mistoNAs() with ICILS 2013.
  - Solved an issue with ILSAready() when filetype is not declared.
  - Fixed a bug in untibble().
  - Fixed a bug in addSchools().

                 Changes in version 1.3.6 (2025-02-12)                  

  - Added support for TIMSS 2023.
  - Added support for ICILS 2020 Teacher Panel.
  - Added support for ICILS 2023.
  - Fixed bug in justload().
  - Fixed bug in readILSA().

                 Changes in version 1.3.5 (2025-01-08)                  

  - Fixed an issue for saving 'SPSS' files.
  - Added new functions for tibble management: asthistibble(),
    get.atr(), get.nas(), get.varlab(), mistoNAs(), untibble(), and
    whichcol().

                 Changes in version 1.3.0 (2024-11-26)                  

  - Added ILSAready() and ILSAreadylocal() as wrappers for downloading,
    merging, combining respondents, and renaming.

                 Changes in version 1.2.5 (2024-11-21)                  

  - Added combineStudents() for combining achievement and background
    questionnaires.
  - Added addSchools() for adding school data.
  - Added labels to countries and creates variables with country codes
    and country names.

                        Changes in version 1.0.5                        

  - Added ILSArename() for creating comprehensible file names.
  - Fixed a problem caused by PIRLS 2021 having an empty dataset.
  - Fixed a problem with merging dates for TIMSS 2011.
  - Fixed a problem originated from PIRLS 2001 with its multiple
    capitalization styles.

                        Changes in version 1.0.1                        

  - Added extensive new documentation.
  - Added availableILSA() to check which ILSA can be downloaded.

                 Changes in version 1.0.0 (2024-11-08)                  

  - CRAN submission.
  - Added PISA and TALIS to ILSAdownload().
  - ILSAdownload() connects to GitHub to check for most recent links.

                        Changes in version 0.8.4                        

  - Fixed internal argument checks.
  - Added ILSAdownload() for downloading ILSA 'SPSS' datasets.

                        Changes in version 0.8.1                        

  - Added justload() to load files in a list but not merge them or save
    them.

                        Changes in version 0.8.0                        

  - Initial version