- [SMACK-923](https://igniterealtime.atlassian.net/browse/SMACK-923) Smack reactor should immediately handle scheduled actions that are due in zero milliseconds
- [SMACK-921](https://igniterealtime.atlassian.net/browse/SMACK-921) XmlStringBuilder.attribute\(String name, Enum<?> value\) should use value.toString\(\) \(and not value.name\(\)\)
- [SMACK-920](https://igniterealtime.atlassian.net/browse/SMACK-920) SASL GSSAPI mechanism should be marked to not require a password
- [SMACK-918](https://igniterealtime.atlassian.net/browse/SMACK-918) Self presences in MUC are no longer handled correctly
### Improvement
- [SMACK-922](https://igniterealtime.atlassian.net/browse/SMACK-922) Support 'optional text' and arbitrary element in Jingle 'reason' element
- [SMACK-919](https://igniterealtime.atlassian.net/browse/SMACK-919) PubSub ItemProvider should ignore character data in <item/>s