Improvements
- Better detect available memory in containers ([1532](../../pull/1532))
- Reject the promise from a canceled annotation ([1535](../../pull/1535))
Changes
- Log more when saving annotations ([1525](../../pull/1525))
- Thumbnail generation jobs are less blocking ([1528](../../pull/1528), [1530](../../pull/1530))
Bug Fixes
- Annotations are sometimes paged when they shouldn't be ([1529](../../pull/1529))