API Release - v3.7.0
UK CO2 range filter, preferred dealer flag for the UK and US, UK model_variant search, exclude_make parameter, new UK dealer and seller fields, and Inventory Ranking API deprecation.
API Release - v3.9.0
write_off_category field and filter, interior_color null filtering, NeoVIN reliability and caching improvements, an updated status page, and Stats API deprecation.