v0.16.6

Improvements:

• MXCrypto: Only create one olm session at a time per device (element-hq/element-ios/issues/2331).
• MXCrossSigning: Add the bootstrapWithAuthParams method.
• MXRecoveryService: Create this service to manage keys we want to store in SSSS.
• MXRecoveryService: Add deleteRecovery.
• MXRecoveryService: Add options to create and delete key backup automatically (element-hq/element-ios/issues/3361).
• MXSecretStorage: Add options to remove secrets and SSSS.
• MXWellKnown: Add JSONDictionary implementation to return original and extended data.
• MXCrossSigning: Gossip the master key (element-hq/element-ios/issues/3346).
• MXRestClient: Add authSessionForRequestWithMethod to get an auth session for any requests.

Bug fix:

• MXSecretShareManager: Fix crash in cancelRequestWithRequestId (element-hq/element-ios/issues/3272).
• MXIdentityService: Fix crash in handleHTTPClientError (element-hq/element-ios/issues/3273).
• MXDeviceList: Fix crash in refreshOutdatedDeviceLists (element-hq/element-ios/issues/3118).
• MXDeviceListOperationsPool: Fix current device verification status put in MXDeviceUnknown instead of MXDeviceVerified (element-hq/element-ios/issues/3343).

API break:

• MXCrossSigning: Removed MXCrossSigningStateCanCrossSignAsynchronously.