Features and Improvements

• Added ability to enable persistence per data region [#IGNITE-6030]
• Ignite updates notifier is added [#IGNITE-6305]
• Enhanced persistent store path resolving to not rely on automatically generated consistent ID [#IGNITE-6285]
• SQL: Added ability to specify cache, key type and value type names in CREATE TABLE command [#IGNITE-6242]
• SQL: Added "WRAP_KEY" and "WRAP_VALUE" options to CREATE TABLE command [#IGNITE-6054]
• JDBC thin driver: allowed execution of multiple SQL statements in one command [#IGNITE-6046]
• JDBC/ODBC: Added "skipReducerOnUpdate" flag [#IGNITE-6024]
• Added getRow() and getCol() methods to Matrix API [#IGNITE-5925]
• Added methods for batch services deployment to API [#IGNITE-5145]
• Thin client protocol [#IGNITE-5896]
• SQL: optimize segment resolution in GridH2IndexBase when index is not segmented [#IGNITE-6588]
• Add ability manage version of WAL serializer via system properties [#IGNITE-6513]
• SQL: Add NOT NULL support to QueryEntity API [#IGNITE-6509]
• Add info message for index rebuild [#IGNITE-6488]
• Introduce a constant of default persistence store directory name [#IGNITE-6473]
• ODBC: Add tests for SQLGetInfo [#IGNITE-6468]
• JDBC thick: support multiple SQL statements [#IGNITE-6358]
• SQL: GridH2KeyValueRowOffheap is not used [#IGNITE-6331]
• Remove "allOrNone" flag from IgniteServices#deployAll method [#IGNITE-6289]
• Move ServiceDeploymentException to org.apache.ignite.services package [#IGNITE-6273]
• Fix GridClosureProcessorRemoteTest, add it to suite [#IGNITE-6238]
• Ability to use TLS client authentication in the TcpDiscoverySpi [#IGNITE-6168]
• Refactor WAL Record serialization and introduce RecordV2Serializer [#IGNITE-6029]
• Get rid of checking topology hash in ackTopology [#IGNITE-6016]
• Add transaction prepare and commit markers to WAL [#IGNITE-6014]
• Add more clear WAL mode documentation and print a warning when NONE mode is used [#IGNITE-5915]

Fixed

• EstimatedRebalancingFinishTime and RebalancingStartTime metrics are exposed through MXBean interface [#IGNITE-6583]
• Visor CMD: Improved cache statistics [#IGNITE-6422]
• Random UUID is appended to JDBC driver's Ignite instance names to avoid collision with user-created instances [#IGNITE-5790]
• Fixed connection leaks when loadPreviousValue set to true [#IGNITE-5489]
• Added Collections.singletonList support to BinaryMarshaller [#IGNITE-5444]
• DROP table is frozen in special case [#IGNITE-6569]
• Failed to DROP table created by DDL query after restart [#IGNITE-6568]
• setSchema() is case sensitive in the wrong way in Thin JDBC driver [#IGNITE-6556]
• Atomic cache remove operations are not logged into WAL [#IGNITE-6554]
• JDBC drivers don't provide correct metadata about columns' nullability [#IGNITE-6529]
• IgnitePdsWalTlbTest.testWalDirectOutOfMemory() hangs [#IGNITE-6493]
• Binary marshaller fails on deserialization of object with writeReplace() [#IGNITE-6485]
• Ignite Cache 5 suite has timed out with CacheLateAffinityAssignmentTest.testRandomOperations() [#IGNITE-6427]
• Can't create off-heap matrix with size over 2 Gb (int overflow in DenseOffHeapMatrixStorage.allocateMemory) [#IGNITE-6394]
• CREATE TABLE affinityKey parameter doesn't work as expected [#IGNITE-6375]
• NPE occurs if object with null indexed field is added [#IGNITE-6360]
• in ML examples, class ExampleMatrixStorage doesn't compile [#IGNITE-6328]
• org.h2.jdbc.JdbcSQLException: Hexadecimal string with odd number of characters [#IGNITE-6286]
• ML profile is missing in 2.1 binary release [#IGNITE-6193]
• No checkClusterState() in IgniteKernal.getOrCreateCaches() [#IGNITE-6184]
• GridCacheReplicatedLocalStoreSelfTest.testBackupRestorePrimary flaky-fails in master [#IGNITE-5984]
• IgniteCache#get() fails with "Requesting mapping from grid failed" when deserialising binary object loaded from CacheJdbcPojoStoreFactory [#IGNITE-5966]
• Fix all wrong TODO comments in ML component [#IGNITE-5802]
• JVM crash on node deactivation [#IGNITE-5739]
• IgniteInternalTx.prepare() does not wait for async operations to complete [#IGNITE-4648]
• Cannot find schema for object with compact footer [#IGNITE-4377]

.NET: Features and Improvements

• Pre-configure local event listeners with IgniteConfiguration.LocalEventListeners [#IGNITE-5615]
• SQL Regex support in LINQ [#IGNITE-4723]
• .NET: Disable thin client for 2.3 release [#IGNITE-6621]
• .NET: QueryField.NotNull [#IGNITE-6523]
• .NET: DataStreamer DefaultPerNodeBufferSize, DefaultParallelOpsMultiplier, Timeout [#IGNITE-6517]
• .NET: PersistentStoreConfiguration.WriteThrottlingEnabled [#IGNITE-6516]
• .NET: Propagate ServiceDeploymentException [#IGNITE-6271]
• .NET: IgniteConfiguration.ConsistentId [#IGNITE-6249]
• .NET: Add CheckpointWriteOrder enum in persistent store configuration [#IGNITE-6216]
• .NET: Build NuGet packages for Apache-Ignite release on CI [#IGNITE-6209]
• .NET: EntryProcessorExample closes immediately after execution [#IGNITE-5919]
• .NET: Move TestPlatformPlugin to a separate module [#IGNITE-5879]
• .NET: QueryIndex.InlineSize [#IGNITE-5784]
• .NET: PadLeft and PadRight support in LINQ [#IGNITE-5224]

.NET: Fixed

• .NET: CacheConfiguration.WriteSynchronizationMode incorrect default value [#IGNITE-6494]
• .NET: ActiveOnStart does not work [#IGNITE-6486]
• .NET: Thin client: basic cache operations [#IGNITE-6397]
• .NET: Flusher.RunThread starts a new thread [#IGNITE-6231]
• .NET: Avoid inheritdoc on public APIs [#IGNITE-6215]
• .NET: DataTable can't be serialized [#IGNITE-5927]
• .NET: Datagrid.QueryDmlExample: Incorrect result if run example with standalone Apache Ignite.NET node [#IGNITE-5898]
• .NET: Failed to load ignite.jni.dll when starting up multiple nodes [#IGNITE-5730]
• .NET: Enums do not work as a messaging topic or message [#IGNITE-5606]