Features

• Server
  • [Querying] increased performance and decreased memory usage of collection queries with where clauses for operations (e.g. patching by collection or deleting by collection).

Fixes

• Server
  • [Compression] fixed possible data corruption that could manifest when compression is used.
  • [Encryption] fixed memory leak that occurred when encryption was used.
• Client API
  • [Querying] fixed NRE that could occur during streaming of query results.

Features

• Server
  • [Microsoft .NET Core] updated to 3.1.10.
• Studio
  • [Backups] allows you to export revisions even when revision configuration is disabled.

Fixes

• Server
  • [Querying] fixed endless query issue when optimized IN is done against more than 128 items inside the IN operator.
  • [Threading] fixed race condition in background workers that could occur under high memory conditions that could result in background task not ending.
  • [Storage] fixed possible NRE in decompression buffers that could occur under low disk space conditions.
• Client API
  • [Querying] fixed possible infinite recursion that could occur during query hash calculation.
  • [Querying] fixed issue with hashing parameter of type 'Type'.
• Studio
  • [About] disabled renew license button when user does not have sufficient privileges.
  • [Ongoing Tasks] fixed dirty flag behavior.

Features

• Server
  • [Backup] allow to export and import revisions without a configuration set.
  • [Configuration] added 'Server.ThreadPool.MinWorkerThreads' and 'Server.ThreadPool.MinCompletionPortThreads'.
  • [Configuration] added 'Server.ThreadPool.MaxWorkerThreads' and 'Server.ThreadPool.MaxCompletionPortThreads'.
  • [Configuration] added 'Storage.Encrypted.DisableBuffersPooling'.
  • [Configuration] added 'PerformanceHints.Memory.MinSwapSizeInMb'.
  • [Configuration] added 'Indexing.Metrics.Enabled'.
  • [Client Configuration] reduced number of Client API updates.
  • [Encryption] switched encryption buffers pool to per core model and avoid over allocating.
  • [Indexing] properly handle output reduce to collection for Time Series and Counter indexes.
  • [JSON] better handling of property caches to decrease the amount of memory used.
  • [Monitoring] added TCP connections OID to SNMP.
  • [Performance] added minimum SWAP size performance hint.
  • [Querying] increased performance of queries containing excessive number of parameters in 'in' clause.
  • [Querying] added 'addTimeSeriesNames' parameter.
  • [Querying] allow to boost of complex queries.
  • [Patching] using appropriate context when patching on counters.
  • [RQL] support for using 'search' on 'id()'.
  • [Replication] preserve the order of replicated items when destination has revisions configuration.
  • [Schema] bumped Documents Schema to '50002'.
  • [Subscriptions] added support for @all_docs subscription with revisions.
  • [Threading] increased default number of Thread Pool min threads to 4xCPU on x64 and 2xCPU on x86.
  • [Time Series] added 'yyyy-MM-ddTHH:mm:ss.fffZ' time format support.
  • [Voron] optimized memory utilization for very large amount of voron environments.
  • [Microsoft .NET Core] updated to 3.1.9.
• Client API
  • [Certificates] added 'EditClientCertificateOperation'.
  • [HTTP] using lighter endpoint to perform health checks.
  • [Querying] allow to boost of complex queries.
  • Added 'AsyncHelpers.UseTaskAwaiterWhenNoSynchronizationContextIsAvailable' option.
• Studio
  • [Traffic Watch] added the ability to easily copy, paste and execute Traffic Watch queries with parameters.

Fixes

• Server
  • [Backup] fixed issue with backups not starting after being moved by the cluster.
  • [Backup] fixed NRE when exporting only Subscriptions.
  • [Indexing] fixed issues with creating WKT bases spatial fields in JavaScript indexes.
  • [Replication] fixed issue with Pull Replication sinks going offline when there is work to be done still.
  • [Replication] fixed issues that could occur when Time Series were being send by replication - leaving the replication hanging.
  • [Subscriptions] fixed issue with handling null tokens in where clauses.
  • [Time Series] fixed issue with grouping process taking into account lowest time series date instead of first data point from the query.
  • [Time Series] fixed issue with rollups not being created.
• Client API
  • [Querying] properly calculate hash for complex objects in query parameters (e.g. when facet options are used).
  • [Session] properly handle already included docs when Lazy Loading is used.
  • [Subscriptions] fixed issue with translating identity property in strongly-typed projections.
  • [Time Series] fixed issue with parsing group by in LINQ queries when grouping by constant.
• Studio
  • [Compaction] fixed UI issues when compacting only documents.
  • [Database Record] fixed issues with editing database record that contains nested fields.
  • [Support] display proper support plan when running on RavenDB Cloud.

Features

• Server
  • [ARM] added support for Linux ARM64.
  • [Backups] exposed FTP upload details.
  • [Backups] reduced amount of work needed for restoring a snapshot.
  • [Backups] reduced memory footprint when exporting a database.
  • [Batching] does not throw when 'WaitForReplicationAfterSaveChanges' is requested but 'throwOnTimeout' is set to 'false'.
  • [Cluster] added 15 second timeout for 'GetRemoteTaskTopologyCommand', 'GetTcpInfoForRemoteTaskCommand', 'GetDatabaseTopologyCommand ' and 'GetTcpInfoCommand'.
  • [Compare Exchange] compare exchange tombstones properly take into account the state of the backups.
  • [Configuration] added 'License.DisableAutoUpdate' and 'License.DisableLicenseSupportCheck'.
  • [Counters] removes unused Database Ids upon counter splitting.
  • [Indexing] Lucene.dll is now signed.
  • [JavaScript] updated Jint.
  • [JSON] parsing decimal value from Blittable JSON should be culture invariant.
  • [JSON] improved hash calculation to reduce the collisions and increase performance.
  • [Licensing] allows starting server with expired license, when new license is added in the configuration.
  • [Querying] does not delete surpassed auto-index when the new one is not up to date.
  • [Storage] improved handling of special characters in collection names.
  • [Subscriptions] adds support for @all_docs.
  • [Subscriptions] adds support for 'in' inside 'where' clause.
  • [TimeSeries] enhanced TimeSeries conflict resolution.
  • [TimeSeries] skips dead segments when doing full backup to reduce amount of work during the restore.
  • [.NET Core] updated to 3.1.8.
• Client API
  • [Conventions] added ShouldIgnoreEntityChanges.
  • [Operations] exposed 'GetCompareExchangeValuesOperation(string[] keys)' ctor.
  • [Events] exposed 'OnBeforeConversionToDocument', 'OnAfterConversionToDocument', 'OnBeforeConversionToEntity' and 'OnAfterConversionToEntity' in session.
  • [Events] added OnBeforeRequest and OnSucceedRequest events.
  • [Querying] added support for aggresive caching in lazy queries.
  • [Session] added registering known missing Ids on Load.
  • [Session] now properly updates documents' CV in session state after storing an attachment.
  • [Session] Lazy Query correctly invokes OnBeforeQuery.
• Studio
  • [Database Record] added the toggle to show/hide empty values.
  • [Documents] copes 'TimeSeries' when cloning a document.

Fixes

• Server
  • [Backups] fixed issue with updating server-wide backup name that could result in creating a new backup task instead of updating existing one.
  • [Backups] fixed possible deadlock scenario in backup runner.
  • [Counters] fixed issue with conflict between new and deleted counter.
  • [Counters] fixed issue with splitting counters containing unicode characters.
  • [Counters] fixed possible overflow issue in distributed counters.
  • [Indexing] fixed possible missing documents in OutputReduceToCollection when there is a duplicate key hash.
  • [Indexing] fixed serialization of projected decimal fields.
  • [Indexing] fixed performance regression for fanout indexes with 'LoadDocument'.
  • [JavaScript] fixed possible NRE in EsprimaVisitor.
  • [Migration] fixed issue with migration of revisions without a document for 3.x.
  • [Querying] fixed issue with killing faceted query - in some cases it could take longer than expected.
  • [Storage] fixed possible NRE that could happen during storage report generation if journal was disposed meanwhile.
  • [Subscriptions] fixed issue with @all_docs subscription not responding to updated documents.
• Client API
  • [TimeSeries] fixed possible NRE when using 'ForDatabase' in 'TimeSeriesOperations'.
• Studio
  • [Querying] fixed issue with deleting by query from Studio.
  • various fixes and style enhancements.

Features

• Server
  • [Configuration] added 'Server.AdminChannel.Disable'.
  • [Configuration] added 'Server.LogsStream.Disable'.
  • [Configuration] added 'Indexing.ManagedAllocationsBatchSizeLimitInMb'.
  • [Debug] added '/databases/*/admin/configuration/settings' to Debug Package.
  • [Encryption] performance improvements for encrypted databases.
  • [Expiration] allow usage of expiration and refresh at the same time.
  • [Indexing] indexing batch will stop if managed allocations are exceeding threshold defined in configuration
    'Indexing.ManagedAllocationsBatchSizeLimitInMb' (2048 by default).
  • [Patching] added 'timeseries.getStats'.
  • [Querying] avoid infinite loop when 'WaitForIndexesAfterSaveChanges' is used without throwing on timeout.
  • [Replication] added 'RegisterBytesSent' and 'RegisterBytesReceived' to replication statistics.
  • [Revisions] when document is being deleted and it has revisions, but revision configuration was deleted, then we should remove the revisions.
  • [Time Series] throw 'not supported exception' when using 'milliseconds' in first/last.
  • [.NET Core] updated to 3.1.7.
• Client API
  • [Conventions] added 'IgnoreByRefMembers' and 'IgnoreUnsafeMembers'.
  • [Patching] added support for nullable in strongly-typed patching.
  • [Patching] added support for LINQ in strongly-typed patching.
  • [Querying] added 'string.Compare' support.
  • [Revisions] added 'ForceRevisionCreationFor' to async API.
  • [Serialization] proper handling of 'by-ref' and 'pointer' fields and properties.
• Studio
  • [Patching] display test information for Counters and Time Series.
  • [Querying] always quote index name when requesting terms.
  • [Time Series] display rollup values in a table.

Fixes

• Server
  • [Backup] fixed race condition between finishing and setting a new backup.
  • [Backup] fixed issue with restoration of encrypted backups sometimes timing out.
  • [Backup] fixed NRE that could occur when restoring backups using Azure.
  • [Graph API] fixed out of memory when executing recursive graph query on a large graph.
  • [Graph API] fixed 'transaction already opened' when computing etag on a query after data was changed.
  • [Indexing] fixed issue with indexing compare exchange references after they were changed but their etag is lower than last etag of a collection of a mapping function when they were used.
  • [Indexing] fixed possible 'VoronUnrecoverableErrorException' when Map-Reduce index is used.
  • [Indexing] fixed possible 'IndexOutOfRangeException' when Lucene commit is too big.
  • [Replication] fixed issue with attachment stream being deleted when not all revisions with that attachment were replicated.
  • [Subscriptions] fixed issue with subscription not always reconnecting due to race condition.
  • [Time Series] fixed 'ArgumentException' when using 'group by X milliseconds' in Time Series query.
• Client API
  • [Counters] fixed NRE when retrieving a counter that does not exist.
  • [Indexes] fixed issue with setting a priority in 'AbstractIndexCreationTask'.
  • [Querying] fixed 'reference scope' error when filtering and projecting sub-collection.
  • [Subscriptions] fixed issue with subscription not always reconnecting due to race condition.
• Test Driver
  • fixed issue with deleting some temporary directories when database is running in memory.

Fixes

• Server
  • [Indexing] fixed issue with possible referenced document (LoadDocument) miscalculation that could result in indexing not triggering properly when referenced documents were changed in some situations.

Features

• Features
  • [Time Series] added feature. Documentation.
  • [Documents Compression] added feature (Experimental).
• Other
  • [Compare Exchange] added support for loading compare exchange values as references in indexes.
  • [Compare Exchange] support for expiration of values.
  • [Identities] ability to set identity parts separator on the server-side.
  • [Indexes] added 'TryConvert' to static indexes.
  • [Indexes] automatic DateTime detection during indexing and query optimization around that.
  • [Indexes] added support for static Counter indexes.
  • [Indexes] added support for static Time Series indexes.
  • [Patching] updated Jint with support for 'let' and 'const'.
  • [Querying] support for multiple operations on facets.
  • [Subscriptions] support for including Counters.
  Client API
  • [Attachments] support for multi-get.
  • [Bulk Insert] support for Attachments.
  • [Bulk Insert] support for Counters.
  • [Bulk Insert] support for Time Series.
  • [Compare Exchange] added lazy methods.
  • [Load Balancing] added load balance behavior support.
  • [Patching] added support for Dictionaries in Session.Advanced.Patch.
  • [Subscriptions] added methods for updating the Subscriptions.
  • [Serialization] added abstract layer over serialization. Migration.
  • [Serialization] improved JSON serialization performance.
  Studio
  • [Database Settings] added support.
  • [Indexing] ability to clear index errors.
  • [Time Series] added support for plotting.