Server

• [Cluster] Avoid logging expected cluster exception
• [Cluster] Fixed the failover mechanism for cluster transactions
• [Cluster] Using SemaphoreSlim instead of a blocking Monitor.TryEnter as the cluster lock to prevent potential ThreadPool starvation
• [Cluster] Fixed an edge case of NRE in ClusterStateMachine when adding a database
• [ETL] Stopping an ETL tasks in an async fashion to avoid holding the cluster lock
• [Indexing] Fixed incorrect staleness status due to unprocessed document tombstones after the replication
• [Indexing] Fixed handling of field names extraction for boosted fields in JavaScript index definition
• [Licensing] Making sure the license verification check will be executed when running as Windows Service
• [Revisions] Fixing an issue that Enforce revisions configuration was skipping on docs when passing multiple collections
• [Subscriptions] Fixed an issue with missing metadata on subscriptions with revisions enabled
• [Subscriptions] Foxed a task connection status when getting subscription ongoing task by name
• [ThreadPool] Doubling the minimum workers of ThreadPool in the default configuration
• [Voron] Fixed occasional failures in loading the storage report
• [.NET] Updated to .NET 7.0.17

Studio

• Fixed wrong count of dedicated threads on Threads Runtime Info tab
• Filtering out expired certificates by default

Server

• [Backup] Cluster observer will decide which node should perform the backup
• [Certificates] Avoid triggering the replacement of the server certificate when the new one that comes from the CertificateRenewExec is the same as the one that is currently used
• [Cluster] Improved performance of cluster operations
• [Cluster] Avoided materialization of the database record in HandleClusterDatabaseChanged()
• [Configuration] System store will take into account Storage.Temp configuration option for temporary directory
• [Debug] Fixed an issue with downloading a memory dump file generated by /admin/debug/dump endpoint
• [ETL] Replaced deprecated MySql.Data.MySqlClient package by MySqlConnector
• [ETL] Fixed an issue with not preserving the casing of Time Series names
• [Import] Fixed an issue that after the import we could end up with two attachments with identical names on one document
• [Logging] Added ability to persist configuration of the server logs and the traffic watch logging
• [Querying] Support for nullable numeric parameters of in clause
• [Revisions] Fixed concurrent usage of the context in the revisions storage
• [Setup] Fixes in rvn tool for the initial setup operations
• Fixed issue that a database ID couldn't be added to unused database IDs
• [.NET] updated to .NET 7.0.15

Client

• Fixed an issue that WhatChanged() did not return old value for RemovedField on Dictionary
• Fixed finalization of RequestExecutor instances
• Throw meaningful exception when trying to use default HiLoIdGenerator while a custom AsyncDocumentIdGenerator convention was set

Studio

• [Security] Introduced TOTP support for browser generated requests

Server

• [JavaScript Indexes] Fixed regression introduced in 5.4.113 which made that date fields indexed by JavaScript indexes got different format so queries could not find old results. If an index is affected (has a date field) then the reset is required in order to recover.

• [Counters] Fixing the allocation size for a counter group name when purging counter tombstones

Server

• [Subscriptions] fixed issue with concurrent subscription not picking up appropriate state when connecting

Server

• [Attachments] do not throw a concurrency exception on a partial update with valid expected change vector
• [Backups] fixed issue with restoring subscriptions when snapshot with incrementals is used
• [Backups] support for Direct Upload for Azure
• [Backups] added the ability to continue exporting of documents when corrupted data is encountered
• [Backups] avoid downloading Snapshot file twice in some cases
• [Cluster] fixed issue with high CPU usage when watcher is waiting for a leader to come up
• [Cluster] allow to promote rehab node
• [Cluster] stability improvements when node is moved into rehab and grace period kicks in
• [Compare Exchange] write result of each cluster command attempt on its own context to avoid using disposed context during failover
• [Compression] fixed 'End of Central Directory record could not be found' on creation of recovery dictionaries
• [Compression] fixed issue with using non-compressed schema for a compressed document and the other way around, that could happen if compression is changed in a middle of merged transaction
• [Compression] fixed issue with missing compression dictionary
• [Configuration] switched default value of 'Http.AllowResponseCompressionOverHttps' to true
• [ETL] changed order of elements of Transactional ID used by Kafka ETL producer for easier ACL configuration
• [ETL] allow to define optional Cloud Event attributes in Queue ETL
• [Indexes] start tombstone cleaner only after indexes are initialized to avoid cleaning tombstones that were not processed by indexes
• [Indexes] handle nested reduce result of a reduce key properly
• [Indexes] properly handle dates stored as JsString in JavaScript Map-Reduce indexes to avoid lowercasing them
• [Revisions] fixed issue with enforce revisions configuration throwing 'InvalidOperationException' on a collection that does not exist anymore
• [Revisions] added the ability to adopt orphaned revisions
• [Revisions] fixed fetching revisions from revision bin, introduced a breaking change due to old API being unusable
• [Revisions] properly handle out of date revisions when they are not ordered by date and enforce revision configuration is being used
• [SNMP] added request per second (5s rate)
• [Subscriptions] fixed issue with concurrent connections not being cleaned up properly
• [System] added file locker to prevent initializing system store concurrently
• [Time Series] fixed aggregation with time zone offsets
• [Unused Database IDs] added server-wide validation

Client API

• [Changes] introduced a 15s timeout to connect to WS to avoid infinite hangs in some cases when there are network issues
• [Indexes] handle C# reserved keywords correctly
• [Querying] throwing an exception when streaming document collection query with includes
• [Session] fixed possible AVE in WhatChangedFor
• fixed issue with failover not grabbing the topology from all of the does, which could result in using old topology
• fixed issue on .NET Framework with DecimalHelper missing field when reflection is used
• simplified speed check algorithm to perform tests once per minute

Studio

• [Patching] added the ability to disable max statements count
• added CSRF protection