What's new

Server

• [Cluster] stability improvements
• [Cluster] compatibility with 4.1
• [Cluster] fixed a possible high CPU issue on follower nodes caused by to WebSocket bug in .NET Core
• [Cluster] fixed creation of a database directory on not relevant nodes
• [Debug Package] server-wide package will filter-out disabled databases
• [Indexing] fixed Auto-Index name when group by array is used
• [Indexing] fixed a bug when we would not extend the GroupBy fields properly
• [Indexing] fixed detection of idle indexes when running in cluster
• [Indexing] fixed indexing of null values in arrays
• [Indexing] fixed creation and matching of auto map-reduce indexes with different array grouping strategies
• [Indexing] fixed changing the state of an idle index if starts to answer to queries
• [Indexing] fixed edge case for detection of idle indexes
• [JSON] fixed JSON parsing when string property size is exactly 32766
• [Logging] fixed a race condition in the logging
• [Memory] memory utilization improvements
• [Querying] collection queries will handle distinct properly
• [Querying] collection queries will no longer handle order by random, query will go to Lucene
• [Querying] order by random queries will not be cached on the client
• [Querying] properly caching parameterless queries
• [Querying] improved Auto-Index matching on dynamic queries, avoiding a situation when empty index can be taken instead of a better one when querying by ID
• [Querying] fixed NRE that could happen when cmpxchg was used without putting any values prior
• [RQL] Handling NOT as a unary expression - fixes 'in' restriction for empty list when not operators present
• [SQL ETL] fixed fallback and error notification dismiss
• Preventing from unloading idle db if there are any active operations on a database
• Ensuring an unique name of a temp export file for the offline migration
• Fixed issues with running a server when custom temporary path is specified
• Server will throw a better exception when there is a 'major' version mismatch between Client API and Server

Client

• [Changes API] ForDocumentsOfType is marked as obsolete and not working
• [Changes API] Fixed event leak in DatabaseConnectionState
• [Conventions] added PropertyNameConverter
• [Conventions] added RegisterQueryValueConverter that returns objects instead of string, marked string converter as obsolete
• [Headers] will send major.minor.patch.build in Raven-Client-Version header from now on
• [Includes] Include with two generics will create prefixed includes
• [Indexes] fixed issues with creating indexes that contain nullable enums and SaveEnumsAsIntegers is turned on
• [Operations] fixed issues on Linux to receive the status of the operation
• [Projections] fixed single field projections
• [Querying] queries using greater than / less than for value types will exclude nulls
• [Subscriptions] will assert if store is initialized before subscription is opened
• [Subscriptions] support for using constant fields in subscription typed definition
• fixed serialization / deserialization of entities if using CamelCasePropertyNamesContractResolver
• fixed possible deadlock when disposing document store if using Changes API

Studio

• [About] new design
• various performance and stability fixes
• layout fixes

Server

• [Attachments] updating @last-modified of a parent document on each attachment change
• [Configuration] added 'Security.DisableHttpsRedirection' configuration option
• [Cluster] stability improvements
• [CSV] better error handling
• [Indexing] fixed possible duplicate reference to complex property in Map-Reduce indexes
• [Indexing] fixed incorrect array indexing conversion to long instead of int
• [Indexing] index by name lookup should be case sensitive for auto-indexes and case insensitive for static ones
• [Indexing] better handling of map-reduce errors
• [HTTP] when HTTPS is configured on port 443 then by default server will bind to 80 also and redirect all traffic to 443
• [Licensing] better handling when server does not have connection to api.ravendb.net
• [Linux] preventing NRE that could happen in HDD swapping detection code
• [Logs] better logging
• [OngoingTasks] ensure uniqueness for tasks
• [Patching] added declared functions support
• [Replication] stability improvements
• [Revisions] properly decrementing count of revisions when revision is being deleted using a RevisionTombstone
• [Querying] added support for leading wildcard when lucene() is used
• [Querying] added alias support to facets in RQL
• [Querying] fixed support for exact when exact is set via field options, not a query
• [Querying] exact now can be used with lucene()
• [Querying] lucene() now supports 'null'
• [Smuggler] support for v4.1 smuggler files
• [Statistics] fixed Concurrent Requests Count calculation
• [Terms] Terms for field with spatial BoundingBox strategy will now be returned correctly
• [Version] server will now remove new version notification on start if the server version is the same or greater than the one from notification

Client

• [Attachments] 'session.Advanced.Attachments.GetNames' will throw if entity is not bound to session instead of returning empty array
• [BulkInsert] fixed memory leak that would decrease performance significantly
• [Commands] added force parameter to 'SeedIdentityForCommand'
• [Cache] Aggressive Cache is now properly disposed on DocumentStore dispose
• [Cache] Query cache will take into account null values properly now
• [Event] added OnSessionCreated event to DocumentStore
• [macOS] fixed exception that could occur on session open
• [Operations] added OfflineMigrationOperation
• [Operations] added UpdateDatabaseOperation
• [Projections] support for byte array
• [Querying] added .WhereLucene(fieldName, value, exact) overload
• [Serialization] entity and command serialization is now separated to avoid sending wrongly serialized commands when the default serialization on client is overridden
• [Streams] fixed performance issue that could occur when there is a huge property name variance between documents
• fixed potential race-condition in RequestExecutor
• changing validation function will invalidate all HttpClients in use to create new ones with correct validation function attached

Studio

• [Backup] added progress
• [ETL] exposed AllowEtlOnNonEncryptedChannel option to SQL ETL
• various performance and stability fixes
• layout fixes

TestDriver

• [Configuration] will ignore configuration from settings.json from now on

This is an aggregated build containing fixes released in patch versions since the previous stable build - 4.0.2 (40029) in addition with:

Server

• [Backup] Smuggler and Restore operation should take into account the file extension when determining the order of files
• [Backup] unfinished backup files will be marked with '.in-progress' extension
• [Backup] preventing from saving more than one full or snapshot backup in the same folder
• [Certificates] will not longer throw on startup if certificate is expired
• [Cluster] stability improvements
• [Configuration] added 'Storage.MaxScratchBufferSizeInMb'
• [Compaction] more robust
• [Indexes] better error handling on catastrophic failures
• [Indexes] preventing a deadlock that could occur when index was being stopped and side-by-side replacement is in progress
• [Indexes] fixed encryption for large indexes
• [Indexes] fixed possible overflow when AlphaNumeric sorting is being used
• [Indexes] editing side-by-side index now works properly and does not create an invalid index
• [Indexes] preventing from creating an excessive indexing thread after replacing an index
• [JSON] fixed LazyCompressedStringValue conversion
• [JSON] fixed writing large strings
• [Linux] optimized number of fsync calls
• [Memory] fixed memory leak when encrypted database is being used
• [Restore] added ability to disable ongoing tasks after restore
• [Settings] the deployment package now contains settings.default.json instead of settings.json to prevent accidental overrides when updating the Server
• [Setup] added UNIX file permissions to cluster deployment package
• [Setup] fixed issues with updating expired licenses
• [Voron] stability improvements
• fixed big floating point numbers handling
• databases will no longer unload when Changes API connection is opened
• working directory is set automatically to executable directory on startup
• updated to .NET Core 2.0.7

Client API

• [Bulk Insert] checking if the background task state is not faulty on 'Store' operation to error early
• [Caching] aggressive caching could not work when being mixed with non-aggressive loads
• [Conventions] added UseCompression
• [Operations] fixed missing disposal of Changes API when 'WaitForCompletion' throws timeout exception
• [NuGet] added 'System.Runtime.InteropServices.RuntimeInformation' dependency

Studio

• various performance and stability fixes
• layout fixes

Server

• [Audit] allow to configure audit log
• [Cluster] operators can now demote nodes and force timeouts
• [Cluster] stability improvements
• [Configuration] added Security.AuditLog.FolderPath and Security.AuditLog.RetentionTimeInHours
• [Database] database will not be unloaded if only read operations are performed on it
• [Encryption] fixed possible issue with loading encrypted database after restart
• [JavaScript] fixed performance degradation issue
• [JavaScript] fixed possible concurrency issue in Jint
• [JavaScript] patching will not add property when it does not exist but the existence was checked in the JS
• [JavaScript] support for 'map' on objects
• [JSON] fixed possible "Invalid escape char 'r' in query response"
• [Indexing] fixed NRE that could happen when statistics are retrieved,
• [Indexing] added First, FirstOrDefault, Single, SingleOrDefault, Any, All support to arrays inside indexing functions
• [Memory] better memory handling
• [Migration] support for API keys
• [Querying] do not return duplicate results when duplicate IDs are present inside 'IN' operator
• [Restore] fixed issue with restoring Windows-made snapshots on Linux due to invalid path combining
• [Service] support for service name with spaces
• [Suggestions] should take into account field analyzer and match the 3.x behavior
• [Voron] fixed possible corruption that could happen in map-reduce indexes
• [Voron] fixed decreasing temp buffers file on Encrypted database when low on memory
• support for 'multipart/form-data' when batches are being processed
• more restrictive static index and database names

Client

• [Headers] header values needs to be send using invariant culture to avoid getting bad response from Kestrel
• [Projections] support for using reserved words
• [Projections] support for 'map' on objects

Studio

• various performance and stability fixes
• layout fixes
• improved memory stats displaying

Server

• [Certificates] improved the "Let's Encrypt" automatic renewal process
• [Certificates] added certificate replacement alerts in addition to logs
• [Compaction] fixed the possibility of index to stay in compaction state
• [Configuration] trimming values
• [Docker] returning RavenDB exit code as a container exit code
• [ETL] improved error handling
• [Indexing] fixed error handling
• [Indexing] added the ability to enable errored index
• [Indexing] fixed possible NRE in LuceneDocumentConverter when complex objects are indexed
• [Indexing] converting 'null' to DynamicNullObject.ExplicitNull in index definition to enable null-propagation
• [Memory] better memory management
• [MultiGet] properly resetting HTTP status code
• [Querying] better matching when querying Idle auto indexes
• [RVN] fixed 'get-key' and 'put-key' operations
• [SNMP] will return NoSuchInstance then value is not available
• updated to .NET Core 2.0.6

Client

• [Attachments] attachment operations in 'session' will respect the session database
• [DocumentStore] disabled the ability to change 'Database' property in 'DocumentStore' after initilization
• [DocumentStore] if 'Database' is null during initialization then 'DocumentStore' will throw
• [Facets] will now use parametrized queries
• [Facets] support for writing range expressions with not matching types (e.g. field is 'int' and value is 'double')
• [Metadata] support for DateTime and DateTimeOffset
• [Memory] properly disposing BlittableJsonReaders when streaming is used
• [Operations] fixed race condition that could result in AccessViolationException
• [Projections] DateTime.Now, UtcNow and Today will return JS Date object instead of milliseconds
• [Projections] proper translation for .Count
• [Querying] empty list passed to IN will return no results instead of throwing
• [Lazy] when lazy loading with ID using ID that is in the session already should not return all documents
• [Lazy] when lazy loading wirh IDs, session can return null dictionary, when session already contains data
• [Lazy] fixed behavior when duplicate IDs are present
• [Lazy] properly populating results for lazy loads that do not hit server

Studio

• various performance and stability fixes
• layout fixes
• added the ability to replace cluster certificate