* Integrate [assets version related API](https://docs.imagekit.io/api-reference/media-api/get-file-version-details) and related parameter changes in copy file/folder, upload API. * Custom metadata fields APIs * `raw` transformation parameter to support [conditional transformations](https://docs.imagekit.io/features/image-transformations/conditional-transformations) and [layers](https://docs.imagekit.io/features/video-transformation/overlay#layers).