Improvements
- Improve plottable data endpoint to better fetch adjacent items and annotations ([1573](../../pull/1573), [1574](../../pull/1574), [1575](../../pull/1575), [1580](../../pull/1580), [1583](../../pull/1583))
- Support Girder flat-mount paths ([1576](../../pull/1576))
- Lazily import some modules to speed up large_image import speed ([1577](../../pull/1577))
- Create or check large images for each item in a folder ([1572](../../pull/1572))
- Support multiprocessing and pickling with a zarr sink ([1551](../../pull/1551))
- Allow checking for geospatial sources to use a specific source list ([1582](../../pull/1582))
- Read scales from some OME tiff files parsed with the tifffile source ([1584](../../pull/1584))
Changes
- Remove old code that handled old pyproj packages ([1581](../../pull/1581))
Bug Fixes
- Harden marking S3 uploads as large images ([1579](../../pull/1579))