[Backups] added the ability to skip indexes importing during creation database from backup
[Certificates] better certificate handling
[Configuration] new 'Storage.PrefetchBatchSizeInKb' and 'Storage.PrefetchResetThresholdInGb' configuration option
[Cluster] stability improvements
[CPU] fixed high CPU usage during idle state
[Embedded] on start command line arguments are cloned to avoid adding internal arguments to user defined options
[Embedded] in ASP.NET the 'AppContext.BaseDirectory' is not poiting to 'bin' folder, because of that if server file is not found in that location, also 'bin' will be checked
[ETL] properly handling multiple ETL scripts
[ETL] better detection for empty transformations
[ETL] better SQL ETL database connection handling
[ETL] added 'deleteDocumentsBehavior' method for generic deletion handling
[Indexing] added 'CreateField' that contains all variety of options for advanced usage
[Indexing] when 'default field options' are defined then 'default field values' will not be removed per each field for proper inheritance handling
[Indexing] fixed possible IndexOutOfRange in 'LastIndexOf' and 'LastIndexOfAny' string extensions in indexing functions
[Indexing] support for grouping by nested field values
[Indexing] fixed possible map-reduce error due to unhandled case in the reduce phase
[Indexing] fixed the possibility of skipping documents during indexing when in low memory condition and references are changed in meanwhile
[Linux] retry on EINVAL pwrite fail if cifs/nfs mount
[Memory] adjustments in memory utilization and management
[Patching] fixed issue with parsing and patching stored indexes values
[Patching] fixed null propagation on array methods
[Querying] fixed issues with sort-only queries not returning proper number of results or returning duplicates
[Querying] using 'group by' on an index query will result in an error
[Querying] support for 'fuzzy'
[Querying] support for 'proximity'
[Storage] better prefetching behavior
[Traffic Watch] added request body content
[Transactions] support for transaction recording
[.NET Core] updated to 2.1.5
Experimental
[Cluster Transactions] fixed issue with executing transaction on a database that was created in version 4.0.x
[JavaScript Indexes] added 'CreateField' that contains all variety of options for advanced usage
Client
[JSON] fixed change detection when original value was an array and new one is an object with '$type' property
[Operations] not setting 'DocumentStore.Database' will no longer cause DeleteByQueryOperation to throw
[Patching] 'session.Advanced.Increment' will generate a patch that checks if the original value is 'null' before concatenating the string
[Projections] support for a predicate in LINQ Count
[Projections] fixed Min/Max behavior on filtered empty collections
[Projections] ensure 'null' coalescing has parenthesis
[Smuggler] fixed issues in smuggler when no default database is set in 'DocumentStore'
[Store] storing 'new object()' should not set any collection, it should go to '@empty' one
Studio
various performance and stability fixes
layout fixes
4.1.1 (41003) - 2018/09/14
Server
[Backups] support for creation of database from legacy 'ravendb-incremental-dump' files
[Certificates] fixed cluster connection issues that could occur after automatic certificate replacement
[Changes API] more graceful shutdown procedure
[Embedded] fixed issues with accessing Studio when embedding in an ASP.NET Core application
[ETL] optimized SQL ETL deletions, will now reduce the amount of deletions that needs to be send and processed
[Indexing] added 'AttachmentsFor' and 'CounterNamesFor' methods to static indexes
[Linux] added 'PrivateClean' smap memory type to available memory calculations
[Memory] fixed low memory handling in 'ByteStringContext'
[Memory] better memory management
[Querying] fixed issues with optimized sort-only queries returning duplicate results
[Querying] added support for using @metadata.@last-modified in RQL for dynamic queries
[Voron Recovery] fixed issues with using the recovery tool an an empty database
[Voron Recovery] fixed issues with loading the database after recovery was done
[.NET Core] updated to 2.1.4
Experimental
[Counters] fixed issues with counter replication
[Counters] fixed issues with not cleaning up JavaScript patching engine from added counters, which would result in unwanted additions for next patching operations when engine would come from cache
Client
[BulkInsert] fixed issues with escaping ' and " characters in document Id
[Indexing] added 'AttachmentsFor' and 'CounterNamesFor' methods to AbstractIndexCreationTask
[Operations] not setting 'DocumentStore.Database' will no longer cause DeleteByQueryOperation<TEntity> to throw
Studio
support for downloading 'Additional Sources' in Index Edit View
better validation message for when disallowed characters are used in database name during database creation
hovering over database name on storage pie chart will highlight relevant record in the table