ExoTiC-LD v3.0.0 is a major update to the ExoTiC-LD package that is fully back compatible with older versions. Data required for V3.0.0 can be found at ExoTiC-LD_data_v3 Note that the old data keywords are still valid but the newly formatted data will be needed for ease of use. What's Changed Towards v3: by @DavoGrant in https://github.com/Exo-TiC/ExoTiC-LD/pull/30 added in two new stellar model grids from Kostogryz (2022), add in the user ability to upload a custom stellar model implemented tri-linear interpolation, added in the computation for the sqrt law, computation of uncertainties on returned limb-darkening coefficients allow for custom mu value range expanded the testing of the code and new tutorials Re formatted all the model grids to match the same architecture for readability and ease of expansion Set default stellar models to mps1 by @DavoGrant in https://github.com/Exo-TiC/ExoTiC-LD/pull/32 Full testing completed by @hrwakeford and is fully back compatible with old V2.1.0 keywords Full Changelog: https://github.com/Exo-TiC/ExoTiC-LD/compare/v2.1.0...v3.0.0