Changes in version 1.0.6 (2024-07-04) - Update to CRAN Changes in version 1.0.5 *changes in Citation to reflect backup in Zenodo.org and DOI Changes in version 1.0.4 *changed CITATION to reflect the name change of the LiTG *fixed an incorrect unit in the alpha-opic comparison plot Changes in version 1.0.3 (2023-11-09) - small changes to prepare the package for CRAN submission Changes in version 1.0.0 - removed the reference to OPN4 on the melanopic evaluation #15 - removed the term quanta for the more well known term photons #13 - made a reference to the complete formula for the age-dependent correction #12 and removed the incorrect references to the CIE S026 #11 - removed the reference to the DIN/SPEC 5031-100 for alpha-opic weighing #10 - changed the grouping separator in tables from . to a whitespace, e.g., . #8 - showing Color Rendering Index correctly as CRI when language is set to English #7 - changed the naming conventions for the cones in line with the CIE S026 #3 - added an option to set how the input data is scaled before importing #4 - fixed a bug that rounded every table numeric to three significant digits. #5 #9 - fixed a bug where negative color rendering values would not show in the plot. #16 - outsourced the validation page and added one about the used values. - added three new color palettes for the spectral Plots. They can be chosen when starting Spectran #14 Changes in version 0.9.2.9000 - Added a NEWS.md file to track changes to the package.