🐣 New Features

• Add touch command to update item expiration
• Deprecate CollectionGetBulkFuture#getOperationStatus
• Deprecate CollectionTranscoder

🔧 Enhancements

• Add try-catch and error logging in callback methods called by ZooKeeper thread
• Throw IllegalStateException instead of RuntimeException in AuthThread constructor
• Change auth messages of binary sasl operations
• Lower log level to info in matchStatus()
• Make piped insert operations process synchronously
• Make sure MultiOperationCallback is threadsafe
• Use direct buffers in TCPMemcachedNodeImpl
• Make refineTrimmedKeys easier to understand
• Set OperationStatus even if already CANCELED status exists
• Throw CancellationException when cancelled

⚙️ Internal Changes

• Use try-with-resources in serialize/deserialize
• Merge KV and collection transcoders
• Move exception message logic into each exception class
• Refactor common constants and methods into TranscoderUtils
• Extract compression logic from BaseSerializingTranscoder

🐛 Bug Fixes

• Use conn.getLocator() instead of conn.getLocator().getReadonlyCopy() for MemcachedClient#getFlushNodes() method
• Do not modify UnmodifiableList object while validating replication group addresses
• Use enabledMGetsOp in asyncGetsBulk method
• Add new StatusCode ERR_FAILED_END and return it when piped collection operation is failed
• Make matchStatus covers all responses
• Send ERR_INTERNAL status when pipe error occurred
• Do not cancel when command is completing in handleLine()

📝 Documentation

• Add description for touch API
• Add description for CANCELED OperationStatus when an operation is cancelled
• Remove the usage example of deprecated class, CollectionTranscoder
• Declare version 1.14.1 as unstable to connect to replication server

✅ Testing

• Tidy ConnectionFactoryBuilderTest
• Use assertInstanceOf in ConnectionFactoryBuilderTest
• Use ConnectionFactoryBuilder instead of CFB for test code
• Handle when the state is set after cancellation in CancelFutureTest
• Assert only if cancel succeed