0.3.50
------
- Misc bugfixes, including thread factory crash

0.3.49
------
- Bump dependency snapshot to 2016 03 30 version

0.3.48
------
- Improve DL documentation
- Make write pipeline purely asynchronous
- Able to skip corrupt entry
- Don't log stream failfast issues
- Script improvements

0.3.47
------
- Add create command to service and client
- Distributed Lock improvements
- Cache finagle stats
- Allow configuring replication factors per DL stream

0.3.46
------
- Append only reader/writer fixes
- Lock improvements for reliability
- Async Ledger Allocator uses zookeeper multi

0.3.45
------
- ReadAhead Refactor
- ReadAhead Idle Detection Improvement
- Add Interface for Log Segment Entry Writer
- Add ServerSetWatcher for server set changes
- Fix stream acquire limit and add more stats for limiting

0.3.44
------
- Bulk reads with waiting time
- LogRecordSet interface
- Cleanup LogSegmentWriter logic
- DL tooling improvements
- Throw IdleReader exception if readahead becomes idle
- Check existence of log or log segments should call zookeeper#sync
- Recreate zookeeper client if it stays disconnected state for long time

0.3.43
------
- Log metadata creation handles missing log identifer

0.3.42
------
- Bump birdcage release to 20160128130022-e7bf469
- Add markEndOfStream to log writer
- Conversion of many synchronous/blocking operations to asynchronous

0.3.41
------
- Bump bkc to 4.3.2
- Shard level resource limits in service
- Dynamically configurable readahead settings
- Categorize and cleanup configuration
- Bug fixes for non-durable write mode, log enumeration, readahead cache
- Fix some flaky tests
- Add docbird docs

0.3.40
------
- Reorganize local run scripts to support full service config
- Fix emulator timeout bug
- Break service layer into Stream, Service, StreamManager
- Add some stream scope stats

0.3.39
------
- Sync Reader uses Async Reader
- Write proxy returns if failed to pre-execute the stream operation
- Write proxy checksum
- Upgrade zookeeper version
- LogSegmentSequenceNumber Assignment should consider v3 rolling back to v2
- Merge Search Release to master
- SyncLogReader should start from the fromTxnId
- ReadAhead should detect log deletion
- Docbird structure
- Unify per stream stats logging

0.3.37
------
- Remove partitions from DL
- Move DistributedLogExample to distributedlog-example package
- Add getLastLogRecordAsync to log manager
- Remove unpartitioned from log writers
- Skip ledger number validation if the ledger metadata doesn't contain ledger sequence number
- Rename LedgerSequenceNumber to LogSegmentSequenceNumber
- Using BKAsyncLogReader to implement BKSyncLogReader
- LogSegmentWriter should close ledger if the log segment isn't in error state
- Async positioning reader by transaction id
- Move log creation and initialization logic out of log handler constructors
- Don't retry invalid stream name exception on acquiring ownership
- Checksum between client and proxy for write
- Move DistributedLog Write Proxy to use TwitterServer
- Update fiangle and utils dependencies to scala 2.11

0.3.36
------
- Remove partitions from DL
- Add getLastLogRecordAsync to log manager
- Remove Unpartitioned from log writers
- Skip ledger number validation if the ledger metadata doesn't contain ledger sequence number

0.3.35
------
- Fix syncownership elapsed time issue

0.3.34
------
- Add validation on server configuration
- Remove server mode from distributedlog proxy
- Fix wrong scope for client operation stats

0.3.33
------
- Make per stream thread as daemon thread
- DistributedLog Service Layer Refactor
- Binding changes for federated namespace
- Enforce ledger sequence number validation when get list of log segments
- Graceful shutdown period for write proxies
- Handshake should detect service status
- Non decreasing transaction id support

0.3.32
------
- Dynamic Config Mechanism
- DistributedLogManagerFactory cleanup for Federated Namespace
- Abort & Close Fixes
- Delay cache removal after service timeout
- Request rate limiting in write proxy
- Client Refactor
- Periodic Proxy Handshake

0.3.31
------
- Routing context for tried host history
- Propagate flush delayed exception when minDelayBetwenFlush is enabled
- Disable failure accrual on distributedlog client
- Async readBulk interface for reader
- Update BKC to 4.3.0-TWTTR
- Metadata upgrade changes
- Get subscription states for DL stream

0.3.30
------
- Sequence ID Support
- Handle disconnect between lastTxId/lastDLSN in metadata and contents of the log segment
- Address lock race conditions
- Validate stream path
- Truncation fixes
- Region based stats on distributedlog lock

0.3.29
------
- Provide zookeeper watcher manager to manage watchers
- Tests improvements
- Write LogSegmentLedgerMetadata with specific version
- Feature provider support from bookkeeper client
- DistributedLogCluster util for run all dl components

0.3.28
------
- Update cached log segments after setting truncation status
- Remove host from hosting service if client hits channel exceptions
- Dynamic option to disable durability enforcement
- Immutable distributedlog client builder
- getAsyncLogReaderWithLock position read from last commit point
- DistributedLock handle znode left by previous expired lock
- Logging improvement and misc bug fixes

0.3.27
------
- Service Level Timeout
- Stream Ownership Filters
- Pin Stream Ownership Feature
- Heartbeat with control records
- Idle reader detection improvements
- Misc fixes for high pendings
- Lock Timeout
- Reader Lock Deadlock Fixes

0.3.26
------
- BookKeeper Version 4.2.22
- Explicit Truncation Point Support
- Compression Support
- Handle missing zk notification
- Misc changes on fixing high pendings

0.3.25
------
- BookKeeper Version 4.2.21
- AsyncLogReader stall detection
- DistributedLog self lock fix
- Ledger Allocator throttling
- DistributedLog Thrift Mux Support
- Remove blocking calls in AsyncLogReader
- Misc AsyncLogWriter fixes

0.3.24
------
- Ability to block operations to a stream on proxies
- Synchronous close ledger handle 
- Backpressure via write queue length
- DistributedLog Client Changes to Support Rebalancing
- BookKeeper Version 4.2.20 
- Fix transactional add and delete log segment

0.3.23
------
- Fix AppendOnlyStreamWriter empty log bug
- Add StatsFilter to track pending requests issues
- Add a tracker (exposing stats) to track readahead worker progress

0.3.21
------
- Reader Lock Implementation
- Cancel pending writes when the stream is marked in error
- Handle write bursts using mininum delay between flushes
- Scala 2.10 upgrade
- DistributedLogClient creation waits for initial binding of the Name

0.3.20
------
- Options to disable gap detection and alert on gaps
- Support for getFirstDLSNAsyc
- ConsistentHashRoutingService supports Names correctly
- NameServerSet supports WeightedSocketAddresses

0.3.19
------
- Additional stats on the reader
- Fixes for DistributedLock
- ZK ACL support
- Remove reference counting from the ZK/BK Clients
- Deferred Truncation (Truncation Support and Reader Validation)
- Do not cache control records in the read ahead cache 

0.3.18
-----
- Bulk(Batched) Writes
- Idle Reader logging and Force Blocking Read
- Support For Finagle Names
- Async GetLastDLSN
- Deferred Truncation (Metadata Changes)
- Upgrade BookKeeper Client version

0.3.17
-----
- Fix deadlock on rolling log segments
- Fix Stale Mapping
- Handle log segments being delete or completed during enumeration
- Handle runtime exceptions and log un-handled exceptions in the reader
- Alert on various conditions that indicate reader missing log records
- ZK Rate limiter
- Separate ZooKeeper connections used for reads and writes

0.3.16
----
- Fix Write Filter
- Tools to fix inprogress log segments with lower sequence number
- Split DL Modules

0.3.15
----
- Merge changes from master back to AsyncLogReader
- Write Control Record for Heartbeat
- Fixes for proxy shutdown
- Fixes for duplicated log segments

0.3.12
-----
- Additional stats on readers/read ahead
- Fixes for proxy restarts
- Fixes for bookie restarts

0.3.11
-----
- Remove blocking calls in the async reader
- Additional Stats
- New Finagle Settings for the proxy

0.3.10
-----
- New BKC Release (Preliminary changes for region aware placement and reordering)
- Twitter DNS Resolver
- Initial DLSN

0.3.9
-----
- Upgrade Guava 16
- Change stats to micro seconds
- Read Last Add Confirmed Long Polling
- Piggyback one entry with LAC

0.3.8
-----
- Ledger Allocation
- BKLogPartitionWriteHandler optimizations
- Flag to enable/disable sanity checking txn id
- Flag to check and create stream if not exists
- Throttling ledger rolling speed in DL
- Resilient to zookeeper exception in writer path
- TryReadLastAddConfirmed support
- Retryable ZooKeeper Client
- Region ID support for log segment
- Namespace & LogSegment Listener
- Monitor Service
- LogSegment Filter
- Recovery in background

0.3.7
-----
- New bookkeeper release
- Async getLastDLSN
- Fix for non blocking readers
- Changes from master upto 0.2.12 

0.3.6
-----
- Expose DistributedLog Client Builder in Proxy Builder