• New virSecretPtr APIs
  
• Fix authentication callback handling of NULLs
  
• Document flags parameters to many methods
  
• Add virDomainMigrateToURI and virConnectGetLibVersion
  
• Add virConnectCPUCompare and virDomainMemoryStats
  
• Add vir*IsActive vir*IsPersistent
  
• Add virConnectIsSecure & virConnectIsEncrypted
  
• Add new error codes
  
• Require libvirt >= 0.7.5