# Changes
## [0.4.2] - 2021-01-05
* Better read back-pressure support
## [0.4.1] - 2021-01-04
* Use ashash instead on fxhash
* Drop unneeded InOrder service usage
## [0.4.0] - 2021-01-03
* Refactor io dispatcher
* Rename Connect/ConnectAck to Handshake/HandshakeAck
## [0.3.17] - 2020-11-04
* v5: Allow to configure ConnectAck::max_qos value
## [0.3.16] - 2020-10-28
* Do not print publish payload in debug fmt
* v5: Create topic handlers on firse use
## [0.3.15] - 2020-10-20
* v5: Handle "Request Problem Information" flag
## [0.3.14] - 2020-10-07
* v3: Fix borrow error in sink impl
## [0.3.13] - 2020-10-07
* Allow to set packet id for sink operations
## [0.3.12] - 2020-10-05
* v5: Add helper method Connect::fail_with()
* v5: Better name SubscribeIter::confirm()
## [0.3.11] - 2020-09-29
* v5: Fix borrow error in MqttSink::close_with_reason()
## [0.3.10] - 2020-09-22
* Add async fn `MqttSink::ready()` returns when there is available client credit.
## [0.3.9] - 2020-09-18
* `ControlMessage` (v3/v5) and referenced types have `#[derive(Debug)]` added
* Add `Deref` impl for `Session<_>`
* v5: Do not override `max_packet_size`, `receive_max` and `topic_alias_max`
## [0.3.8] - 2020-09-03
* Fix packet ordering
* Check default router service readiness
* v5: Fix in/out bound frame size checks in codec
## [0.3.7] - 2020-09-02
* v5: Add PublishBuilder::set_properties() helper method
* v3: Fix PublishBuilder methods
## [0.3.6] - 2020-09-02
* v5: Add Error::ack_with() helper method
## [0.3.5] - 2020-08-31
* v3: New client api
* v5: New client api
* v5: Send publish packet returns ack or publish error
## [0.3.4] - 2020-08-14
* v5: set `max_qos` to `AtLeastOnce` for server `ConnectAck` response
* v5: do not set `session_expiry_interval_secs` prop
## [0.3.3] - 2020-08-13
* v5: do not convert publish error to ack for QoS0 packets
## [0.3.2] - 2020-08-13
* v5: Handle packet id in use for publish, subscribe and unsubscribe packets
* v5: Handle 16 concurrent control service requests
* v3: Handle packet id in use for subscribe and unsubscribe packets
* v3: Handle 16 concurrent control service requests
* Removed ProtocolError::DuplicatedPacketId error
## [0.3.1] - 2020-08-12
* v5: Fix max inflight check
## [0.3.0] - 2020-08-12
* v5: Add topic aliases support
* v5: Forward publish errors to control service
* Move keep-alive timeout to Framed dispatcher
* Rename PublishBuilder::at_most_once/at_least_once into send_at_most_once/send_at_least_once
* Replace ConnectAck::properties with ConnectAck::with
## [0.2.1] - 2020-08-03
* Fix v5 decoding for properties going beyond properties boundary
## [0.2.0] - 2020-07-28
* Fix v5 server constraints
* Add v3::Connect::service_unavailable()
* Refactor Topics matching
## [0.2.0-beta.2] - 2020-07-22
* Add Publish::packet_mut() method
## [0.2.0-beta.1] - 2020-07-06
* Add mqtt v5 protocol support
* Refactor control packets handling
## [0.1.3] - 2020-05-26
* Check for duplicated in-flight packet ids
## [0.1.2] - 2020-04-20
* Update ntex
## [0.1.1] - 2020-04-07
* Add disconnect timeout
## [0.1.0] - 2020-04-01
* For to ntex namespace
## [0.2.3] - 2020-03-10
* Add server handshake timeout
## [0.2.2] - 2020-02-04
* Fix server keep-alive impl
## [0.2.1] - 2019-12-25
* Allow to specify multi-pattern for topics
## [0.2.0] - 2019-12-11
* Migrate to `std::future`
* Support publish with QoS 1
## [0.1.0] - 2019-09-25
* Initial release