This is the general availability release for the 3.10.0 version of the driver.
The main new features in 3.10.0 include:
- CSHARP-6017: Support LINQ LeftJoin for joins and includes
- CSHARP-3791: Allow hint for unacknowledged writes using OP_MSG when supported by the server
- CSHARP-5826: Add $top, $bottom, $topN and $bottomN expression operators
- CSHARP-6024: Support ReadOnlySet Serialization
- CSHARP-6020: Add builders for the doesNotAffect field for in, range, equals and compound Atlas Search operators
- CSHARP-4216: Support $topN and similar accumulators in $setWindowFields
- CSHARP-5750: Add support for new QE prefix/substring/suffix aggregation expression operators
- CSHARP-5495: Support $concatArrays and $setUnion aggregation accumulators
- CSHARP-6041: Add $setWindowFields support for the $minMaxScaler window operator
- CSHARP-6091: Support checked arithmetic operators in LINQ translation
- CSHARP-5984: Add QE prefix+suffix GA and rename API to string
- CSHARP-6105: Add QE substring GA
- CSHARP-5693: Allow Instantiated MongoClients to Send Client Metadata On-Demand
Improvements:
- CSHARP-6094: Use minimum supported wire version for CompatibilityLevel when null
- CSHARP-5964: Investigate a way to read into BsonBinaryData property if it's missed in the stored document
- CSHARP-6093: Compile one-shot LINQ eval lambdas with preferInterpretation
- CSHARP-6096: Optimize AsyncCursor<> disposal to consume less resources
Fixes:
- CSHARP-5816: Insonsistent behavior of
EnsureNoMemberMapConflictsfor discriminator convention - CSHARP-5740: Remove duplicate read concern for operations in snapshot sessions
- CSHARP-5846: Global GuidSerializer settings ignored for object-typed properties
- CSHARP-5658: Queries using Equals with different types throw
- CSHARP-6066: FilteredMongoCollectionBase.FindOneAndUpdate throws NullReferenceException when options is null
- CSHARP-6080: Pool clear with closeInUseConnections leaks raw ObjectDisposedException to the application instead of a retryable connection error
Maintenance:
- CSHARP-5746: Update $lookup prose test for MONGOCRYPT-793
- CSHARP-6062: Add empty permissions section to PR workflow
- CSHARP-6007: Mark Server version 4.2 as EOL from driver's PoV (Min server version as 4.4, minWireVersion as 9)
- CSHARP-5992: Add LINQ translation benchmark suite
- CSHARP-6030: Add case and diacritic sensitivity prose tests for text explicit encryption
- CSHARP-5943: Add per-area AGENTS.md files and reviewer sub-agents
- CSHARP-6071: Script to create a local Docker container with a single replica set
- CSHARP-6100: Clarify status and semver treatment for shipped IWM driver APIs
The full list of issues resolved in this release is available at CSHARP JIRA project.
Documentation on the .NET driver can be found here.