Features
- Added endpoints to remove old annotations ([432](../../pull/432))
- Show auxiliary images and metadata on Girder item pages ([457](../../pull/457))
Improvements
- Migrate some database values on start to allow better annotation count reporting ([431](../../pull/431))
- Speed up Girder item list annotation counts ([454](../../pull/454))
- Read more OME Tiff files ([450](../../pull/450))
- Handle subimages of different component depths ([449](../../pull/449))
- When scaling, adjust reported mm_x/y ([441](../../pull/441))
Changes
- Standardize metadata for tile sources with multiple frames ([433](../../pull/433))
- Unify code to check if a tile exists ([462](../../pull/462))
- Switch to ElementTree, as cElementTree is deprecate ([461](../../pull/461))
- Refactor how frame information is added to metadata ([460](../../pull/460))
- Upgrade GeoJS to the latest version ([451](../../pull/451))
Bug Fixes
- Fix a threading issue with multiple styled tiles ([444](../../pull/444))
- Guard against reading tiff tiles outside of the image ([458](../../pull/458))
- Guard against a missing annotation value ([456](../../pull/456)(
- Fix handling Girder filenames with multiple periods in a row ([459](../../pull/459))
- Work around a file descriptor issue in cheroot ([465](../../pull/465))