v3.0.62

• Set default value to channel data.
• Added conditions to avoid null value when channel instance is updated.
• Fixed URL encoding bug.
• Fixed memory leak.
• Added events for changing meta counters and meta data.

v3.0.61

• Added channel url filter for group channel list query.

v3.0.60

• Fixed serialization bug.

v3.0.59

• Fixed serialization bug.

v3.0.58

• Added methods to copy a user message and a file message to another channel.

v3.0.57

• Added SBDMember class for an invitation.
• Changed member objects of SBDGroupChannel to SBDMember objects.
• Added the methods to accept and decline an invitation to SBDGroupChannel object.
• Added SBDMemberStateFilter for group channel list query.
• Added the methods to set and get the channel invitation preference for automatic acceptance.
• Added channel:userDidJoin:inviter: delegate for invitation acceptance.
• Added channel:didReceiveInvitation:inviter: delegate for an invitation.

v3.0.56

• Added a setter and a getter for push sound.

v3.0.55

• Added custom type filter to channel query.

v3.0.54

• Fixed bug of participant count in open channel.
• Added a channel URL parameter to a method to create an open channel.

v3.0.53

• Added methods to update a user message and a file message.
• Added a delegate to receive the event for message updating.
• Added a method to cancel uploading file message.