v0.8.1

[0.8.1] -- 2022-09-07

• Allow creating rooms with custom create event but default version
• Update dependencies
• Support stable hidden read receipts
• Validate fields servers are required to validate again
• Fix voip v1 event parsing (contributed by r0hit)
• Use hidden friends to reduce overload sets
• Add support for the unstable polics room type
• Support querying server capabilities