Version 1.29.0

Features

• Add redis as cache backend option (#1469)

Improvements

• Better detect available memory in containers (#1532)
• Reject the promise from a canceled annotation (#1535)
• Disallow certain names from being read by any but specific sources (#1537)
• Add the ability to specify the dtype of a multi-source file (#1542)
• Handle bounds on openslide sources to handle sparse sources (#1543)

Changes

• Log more when saving annotations (#1525)
• Thumbnail generation jobs are less blocking (#1528, #1530)

Bug Fixes

• Annotations are sometimes paged when they shouldn't be (#1529)