Server

• [Backups] fixed issue with restore not taking into account the 'Backup.TempPath' configuration option
• [Backups] fixed backup status for offline and not modified database
• [Backups] fixed issue with delaying backup not appropriately decreasing the semaphore for max number of concurrent backups
• [Backups] can cancel now Backup during Retention policy execution
• [Backups] fixed issue with the Delay date not being updated properly after we delay a backup
• [Configuration] added 'Indexing.NuGetAllowPreleasePackages' configuration option
• [Configuration] added 'Cluster.MaxClusterTransactionBatchSize' configuration option
• [Cluster] fixed issue with 'ClusterTransactionIdBase64' and 'DatabaseTopologyIdBase64' being set to null after 'HardResetToNewCluster' is executed
• [Configuration] fixed issue with identity parts separator not getting the default value when client configuration gets disabled
• [ETL] added MySqlConnector support for SQL ETL and Import from SQL
• [Indexes] added the ability to use prerelease NuGet packages in indexes when 'Indexing.NuGetAllowPreleasePackages' configuration is set to true
• [JavaScript] decreased number of allocations when patching arrays
• [JavaScript] only inject parameters into JavaScript engine that are required by the function
• [Logging] fixed possible issue with Microsoft Logs bein disabled, yet still getting written
• [Logging] added all backup, ETL, connection string configuration changes to the audit log
• [Migration] added option to migrate non-public schemas
• [Replication] decreased the memory footprint for replication process by early releasing memory of the replicated items
• [Replication] disabling external replication should not allow deletion of tombstones
• [Subscriptions] fixed issue with subscriptions not getting appropriate value when 'LastDocument' is set as change vector and the last document comes from external replication
• [.NET] updated to .NET 7.0.5

Client API

• [JSON] added nested generic types support to 'DefaultRavenSerializationBinder'
• [HTTP] fixed a race condition when spawning a node health check and simultaneously timeout and topology update occurs
• [HTTP] fixed HTTP Cache possible memory leak
• [RQL] fixed issue with using 'RavenQUery.Raw' without 'select new' and query ignoring the raw content
• [RQL] fixed issue with alias not being appended to 'OrderBy' clause when 'DocumentQuery' is used

Studio

• [Debug] added additional options for collection of Debug information
• [Client Configuration] allow to set both 'use session context' and 'read balance behavior'
• [Cluster] added memory information explanations
• [Database] added the ability to restart a database
• [Documents] fixed issue with downloading huge document as text, instead of JSON

Server

• [Let's Encrypt] fixed issue with retrieving a certificate due to compatibility problem with upcoming Let's Encrypt API changes

Server

• [Backups] fixed possible desync of backup status between nodes
• [Backups] fixed issue with saving a server-wide backup when any of the database is idle
• [Backups] during Restore we should not hold read transaction (held by atomic guards) for a long time to decrease scratch file size
• [Backups] fixed potential NRE when importing old dump file without Indexes History
• [Changes API] created optimized channel for aggressive cache usage
• [Configuration] added 'Security.WellKnownIssuers.Admin' configuration
• [Debug] added the ability to collect debug package only for server or per database
• [ETL] added stop reason to OLAP ETL statistics
• [ETL] fixed issue with disabling an ETL task when in fallback mode
• [ETL] fixed 'Failed to parse' issue when registering behavior function in a script engine when script contains GlobalObject
• [Indexes] fixed regression and using a different approach to fix potential problems with JS or multi map-reduce indexes not preserving the order of hashing of reduce key values
• [Indexes] fixed regression with proper detection of dynamic fields in JavaScript indexes
• [Indexes] added certificate info to index history view
• [Indexes] added support for .NET 7 'TimeOnly' increased precision
• [Indexes] fixed issue with extraction of collection name for more index types
• [Logging] added the ability to enable Kestrel logs
• [Memory] releasing allocated compressed value when deleting a document with a lot of revisions
• [Memory] added Zswap and Zswapped to memory info reader on Linux due to 'top' displaying only first 15 chars
• [Memory] fixed possible memory leak when storage compaction is being used
• [Querying] fixed issue with timings not working when metadata comes from query metadata cache
• [Querying] fixed issue with accessing a disposed object when (id) when 'load' is used in RQL and value is used during projection more than once
• [Querying] fixed internal cache issue which could result in returning invalid query results for certain query types
• [Replication] when entire Time Series is being deleted, we should not update the document's metadata to avoid creating a conflict on the document
• [Replication] when document with Time Series is being deleted, we should create a DeletedRange to prevent possible inconsistency between Time Series on database nodes
• [Setup] added Ubuntu 22.04 DEB package
• [Threading] using shorter thread names on Linux
• [.NET] updated to 7.0.4

Client API

• [Conventions] added 'CreateHttpClient' and 'HttpClientType' conventions
• [Changes API] optimized changes API for aggressive cache usage (requires both server and client update)
• [JSON] added support for .NET 7 'TimeOnly' increased precision
• [JSON] added 'DefaultRavenSerializationBinder' which will throw for known .NET RCE Gadgets when they are used in '$type' field and deserialization needs to use value from this field to find a type
• [Querying] fixed issue with generation of JS projection when '.ToDictionary' is used in LINQ select
• [Querying] fixed regression that did not allow to select after project into
• [Session] added Refresh(IEnumerable<T> entities) overload
• [Subscriptions] fixed possible memory leak in subscription worker when we fail to process incoming batch

Studio

• [Backups] sending appropriate value when Delay is executed
• [Dashboard] fixed issue with graphs not displaying time when hovered
• [Replication] disabled sink to hub replication in the UI when server is unsecured
• [Memory] exposed total SWAP and SWAP used in the dashboard

Other

• [Docker] added Windows LTSC 2022 docker images

Server

• [Backup] Added ability to cancel and delay server-wide backups by Operator
• [Certificates] Using UTC time when validating the certificate for developer license
• [Changes API] Added the timeout for sending a message and clearing messages in the queue when we're in low memory
• [Cluster] Fixed the maintenance of the order of nodes in a database group after a node gets online
• [Cluster] Using TCP compression for the cluster communication
• [Cluster] Fixed negotiation boundaries based on the negotiation PrevLogIndex
• [Configuration] Marking 'Logs.Microsoft.ConfigurationPath' as read only so it won't attempt to create a file in the default location
• [Corax] Fixed querying with order by
• [Corax] Memory usage and performance improvements
• [Debug] Fixed serialization of GC dump output
• [Debug] Fixed Debug Package created by for the whole cluster
• [ETL] Added getRevisionsCount() method available during execution of an ETL script
• [HTTP] Fixed HTTP response compression when performing lazy load
• [Indexing] Fixed edge cases in the Index Merger
• [Indexing] Fixed loading multiple attachments using LoadAttachments function with the usage of Select
• [JavaScript] Added support for spread operator JS indexes and Patching
• [Import] Added alerts when skipping configuration for a conflict solver, time series or revisions during the import because they already exist
• [Import] Fixed import of a CSV file with empty column names
• [Memory] Fixed an issue with allocating less than allocation unit
• [Memory] Purging the Lucene's field cache for order by when we are in low memory state
• [Memory] Fixed calculation of allocated memory in internal allocators
• [Memory] Added defragmentation mechanism to internal allocators to deal with specific memory allocation patterns
• [Performance] Improved Smuggler and Patching performance when handling documents with complex nested objects
• [Querying] Optimized order by queries when ordering by field which is a date
• [Querying] Added support for count(), key() and sum() methods in JavaScript projections when using dynamic group by queries
• [Querying] Fixed a bug where only identity RQL projection would work on document loaded from reference existing only in the index
• [Subscriptions] Sending noop ACK cluster command once per state
• [Smuggler] Added ability to import / export history of indexes
• [Time Series] Improved memory usage when processing large number of time series during ETL and indexing
• [Time Series] Fixed potential AccessViolationException on restoring time series from a backup file (regression introduced in 5.4.100)
• [Time Series] Improved memory usage during import of time series
• [.NET] Updated to .NET 7.0.2

Client

• [Cluster Transactions] Fixed throwing ClusterTransactionConcurrencyException after the failover when using cluster-wide transactions
• [Querying] Fixed 'declared function' chopped by IAsyncDocumentQueryBase.ToQueryable
• [Querying] Fixed comparison of field names for projections. We need to do it in case sensitive manner
• [Querying] Added AsAsyncEnumerable to RavenQueryableExtensions
• [Querying] Fixed direct Projection of Array from document
• [Serialization] Prevented ISerializable support by default in the serializer
• [Subscriptions] Fixed an issue that metadata was not tracked in the subscription session
• [Time Series] Deleting time series entry should affect the cache

Studio

• Added on/off switch to disable index optimize during compact operation
• Fixed column name on Index Errors view

Server

• [Backup] Fixed issue with a backup status after changing the type of a backup
• [Backup] Changed the order in which we perform the snapshot backup - first the indexes then the documents
• [Backup] Fixed issue with calculating the space required for snapshot backup if indexes were excluded
• [Backup] Fixed memory usage during backup with time series
• [Configuration] Added Indexing.MinimumTotalSizeOfJournalsToRunFlushAndSyncWhenReplacingSideBySideIndexInMb
• [Configuration] Added Http.KeepAlivePingTimeoutInSec and Http.KeepAlivePingTimeoutInSec
• [Corax] Query execution performance improvements
• [Corax] Support ticks in date queries
• [Corax] Introduced index-level boosting
• [Cluster] Fixed the format of atomic guard values used by Cluster Transactions and block using them via the session
• [Cluster] Improved handling of a database shutdown
• [Debug]Added info regarding the GC operation to /admin/memory/gc handler
• [ETL] Added ability to enable compatibility mode when sending documents to Elasticsearch
• [ETL] Fixed handling of scripts containing getMetadata() and delete behavior functions
• [ETL] Fixed high unmanaged memory usage when filtering out docs during ETL
• [Indexing] Fixed handling of Distinct() with mixed values of string and LazyStringValue types
• [Indexing] Improved handling of replacement of side-by-side index by waiting for journals to be flushed
• [Indexing] Fixing unhandled case in the index suggestions merger
• [Indexing] Fixing potential problems with JS or multi map-reduce indexes not preserving the order of hashing of reduce key values
• [Logging] Enhancements in the cluster logging to improve logs readability
• [Logging] Added schema upgrades progress to the init log
• [Logging] Added ability to get internal Microsoft logs (in particular Kestrel logs)
• [Logging] Added details to the PutIndexCommand logging
• [Monitoring] Fixed the issue that average request time stays on last value if traffic moves to an another node
• [Patching] Reduced JsString allocations in patching
• [Performance] Improved performance of putting a document
• [Performance] Improved performance of deletion of a document
• [Performance] Improved performance of scenario with document writes getting ConcurrenyException in the merged transaction
• [PostgreSQL] Fixed handling of fields with large values
• [PostgreSQL] Better schema generation if first item has null values
• [Querying] Fixed regression issue that we stopped detecting enums as server known type during indexing
• [Querying] Fixing WaitForNonStaleResults for Time Series and Counters
• [Revisions] Revert revision per collection
• [Replication] Fixed very high memory usage when replicating a big transaction and using encryption
• [Replication] Ensure replication is working from a node in rehabilitation
• [Smuggler] Added ability to import just one collection
• [Subscriptions] Subscription worder will continue to retry on DatabaseDisabledException and AllNodesTopologyDownException
• [TimeSeries] Improved memory usage when importing .ravendump with high number of time series to an encrypted database
• [TimeSeries] Fixed clone document with a rollup time series
• [.NET] Updated to .NET 7.0.1

Client API

• [Session] Making sure that the HiLo number we got is used with the server node tag it came from to avoid duplicate ids
• [Indexing] Prevent transforming additional method into extended method in index definition rewriter
• Added AggressivelyCacheForAync to avoid sync usage in async manner

Studio

• Fixed visibility of time series requests on studio dashboard
• Allow to cleanup tombstones from the studio
• Fixed showing of guids in related documents list
• Endpoint /databases became lighter to improve performance of databases view