v0.20.2

Changes in 0.20.2 (2021-09-24)

✨ Features

• Implemented Olm fallback key support. (#4406)
• Added room summary API call (#4498)
• Added support to get suggested rooms (#4500)
• Initial yet naive algortihm for building the graph of rooms (#4509)
• Added support for Explore rooms (#4571)

🙌 Improvements

• Add fallback keys to the dehydrated device info and sign it with the MSK. (#4255)
• Cross-signing: Sign the key backup with the MSK. (#4338)