From the roadmap: https://0xacab.org/leap/soledad/wikis/2017-roadmap

• Activity 3: Complete activity 3 (#8824 (closed))
• Activity 4: Analyze security of blobs (#9005)
• Activity 4: Discuss scalable backends and priorities (#9008)
• Activity 5.1. Enable multi-core usage for the Blobs Backend (#9018)
• Activity 5.2. Rewrite of the metadata sync engine to use asynchronous couchdb libraries (#9019)