Version 1.2: January, 26, 2021. GALExtin launched public with twenty interstellar extinction models/maps.

Version 1.3: January, 11, 2023. We have updated GALExtin with six maps: Schultheis et al. 2014; Gontcharov 2017; Surot et al. 2020; Gontcharov & Mosenkov 2021; Guo et al. 2021; Zhang & Kainulainen 2022. GALExtin now has 26 extinction/reddening maps/models.