What's Changed
* Handle missing units better by maxwelllevin in https://github.com/tsdat/tsdat/pull/233
* Define kVAR units by maxwelllevin in https://github.com/tsdat/tsdat/pull/235
* Make `fetch_data` method faster for FileSystem storage by maxwelllevin in https://github.com/tsdat/tsdat/pull/236
**Full Changelog**: https://github.com/tsdat/tsdat/compare/v0.8.6...v0.8.7