# 6.3.1 This is a bugfix release which removes the auto-generated `.d.ts` TypeScript type files from the published package. ## List of all changes * [#10877](https://github.com/openlayers/openlayers/pull/10877) - Remove .d.ts files from the package ([@ahocevar](https://github.com/ahocevar)) * [#10872](https://github.com/openlayers/openlayers/pull/10872) - Use TypeScript 3.9 for type generation for better enums ([@ahocevar](https://github.com/ahocevar))