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Changelog

All notable changes to this project will be documented in this file.

[Unreleased]

Changed

  • Log level from Verbose to Debug/Information for important messages EventStore#2538
  • Change options that refers to disabling tls to explicitly refer to disabling tcp tls. EventStore#2537
  • Adjust deprecation warning from referring to 20.02 to 20.6.0 EventStore#2567
  • Do not print stack traces when an invalid configuration is encountered. EventStore#2578
  • Instead of always giving system access over HTTP when running with --insecure (since no client certificate is provided), only pre-authorize the gossip and election routes with system access EventStore#2587
  • Don't treat unresolved links as deleted linkTo events when checking for deleted partitions in projections. EventStore#2586

Fixed

  • Do not start other services if run is being skipped when --help or --version are specified EventStore#2558
  • Prevent Stackoverflow when accepting too much data over a TCP connection on dotnet core EventStore#2560
  • Improved output of CLI help EventStore#2577
  • Log to default directory; args from CLI EventStore#2574

Added

  • Option to set client certificate common name EventStore#2572
  • --disable-https flag to disable only HTTPS EventStore#2556
  • --insecure flag to disable TLS on all interfaces (TCP & HTTP) to eliminate requirement for certificates to make it easier to run EventStoreDB EventStore#2556

[20.6.0] - 2020-06-09

Changed

  • Update UI and submodule EventStore#2493
  • gRPC Leader Not Found Exception will now return host/port in the trailers EventStore#2491
  • More changes to support DNS endpoints in the Client API. EventStore#2487
  • Removed UseSslConnection from the Tcp Client API Connection Settings Builder and replaced it with DisableTls and DisableServerCertificateValidation to resemble the options on the server more closely. EventStore#2503
  • Set UseSslConnection=false and ValidateServer=false in connection string tests where required EventStore#2505
  • Patch the version files when building the docker container so that the logs reflect that information. EventStore#2512
  • Write leader's instance ID in epoch record. Pass on the epoch record's leader's instance id and each node's gossip information during elections to the leader of elections to determine more accurately if the previous leader is still alive when choosing the best leader candidate. EventStore#2454
  • Updated the EventStore.Plugins version EventStore#2521
  • Update Embedded Client Plugins Package to 20.6 EventStore#2527
  • For gRPC use the commit and prepare positions from the ResolvedEvent instead of the Transaction Position as the Prepare Position and the Log Position in the case where the commit position is null. EventStore#2522
  • Require IP or DNS SAN and CN=eventstoredb-node in client certificate to be assigned system role EventStore#2513
  • Use CommitIndexed instead of CommitAck for the completion of the Write Request EventStore#2529
  • Add the users in the $ops group the ability to restart the projection's subsystem. EventStore#2526
  • Added HostStat.NET dependency to embedded client EventStore#2534
  • Disable atomPub by default except when in dev mode. EventStore#2531
  • Restructured stream name for future planned changes EventStore#2530

Removed

Fixed

  • When starting Event Store without an Index Path specified (as is the case when running in memory), the server would crash with a NullReferenceException. EventStore#2502
  • Compiling EventStore in Debug Mode EventStore#2509
  • Test client not respecting --tls-validate-server=False EventStore#2506
  • Logging Object synchronization method was called from an unsynchronized method as a warning instead of fatal when shutting down EventStore EventStore#2516
  • VNodeState in cluster.proto not matching EventStore.Core.Data.VNodeState EventStore#2518
  • EventStore.Client.Embedded missing package dependencies EventStore#2496
  • Correct the Java package names in protocol buffers definitions EventStore#2535

Added

[20.6.0 - Release Candidate] - 2020-05-15

Changed

  • HTTP read requests to /streams/$scavenges/ are done via AdminController. #2310
  • /streams/$scavenges/{scavengeId}/ now maps to /streams/$scavenges-{scavengeId}/. #2310
  • Start View Change Proof Timer on System Initialized only. #2366
  • Replace byte[] with ReadOnlyMemory to reduce allocations. #2308
  • Don't write $ProjectionDeleted events for queries when they're deleted EventStore#2377
  • Prepared the authorization interfaces for plugin extraction EventStore#2385
  • Remove unused code from MiniNode used in tests EventStore#2401
  • Correct the xml documentation for the TCP Client settings builders. EventStore#2393
  • Removed the constraint in AlreadyCommitted for Log Position to be positive. EventStore#2404
  • Set the default for the write timeout EventStore#2410
  • Replaced UseCustomHttpClient in the ConnectionSettingsBuilder for the TCP client with UseCustomHttpMessageHandler EventStore#2419
  • Ensure that the leader is still in a leader state when gossip has changed. If not, start elections. EventStore#2418
  • Allow a projection to be able to checkpoint regardless of whether the event filter passes. EventStore#2428
  • Authorization and Authentication plugin interfaces have been removed and re-included as a nuget package from EventStore.Plugins EventStore#2409
  • Authentication Provider Factory now takes a Serilog ILogger EventStore#2409
  • Make read-only replicas independent of elections service and use gossip updates to determine leader changes. EventStore#2427
  • Send the last replication checkpoint when a node subscribes to the leader EventStore#2445
  • License information EventStore#2439
  • Authorization and Authentication Plugins no longer require MEF EventStore#2457
  • Appends will now return a oneof response types which currently is either a Success or a WrongExpectedVersion. EventStore#2463
  • Enable the Test Client to connect to a dns or ip endpoint EventStore#2474
  • AuthToken field and constructor added to UserCredentials EventStore#2471
  • The connection settings for the Tcp Client now accepts Dns EndPoint as a means to connect to the nodes in the cluster. EventStore#2480
  • Authenticate requests as the system user if they provide a valid client certificate with the provided trusted root certificate EventStore#2475
  • Require a system user for gossip update, and for all election operations EventStore#2475
  • Update UI submodule as well as the pre-built UI. EventStore#2490

Removed

Added

  • Supports for pull request linting and automatic changelog update EventStore#2391
  • The following options have been added AuthorizationType and AuthorizationConfig to mirror that of the existing AuthenticationType and AuthenticationConfig. EventStore#2385
  • A mandatory configuration parameter named: TrustedRootCertificatesPath. The certificate store will be expanded with the root certificates in this path before certificate validation. For server certificate validation, trust is restricted to system certificates + the specified root certificates but for client certificate validation, trust is restricted only to the specified root certificates. Before this change, all root certificates installed on the system were trusted. EventStore#2335
  • Client certificate validation to the internal HTTP interface which is used for gossip/elections EventStore#2335
  • Discover an existing leader through gossip updates when a read-only replica starts up instead of triggering elections. EventStore#2417
  • Login endpoint (admin/login) EventStore#2409
  • Features collection on the info endpoint EventStore#2409
  • Operations proto contract and implementation EventStore#2446
  • Max Truncation Safety Feature to avoid large unexpected truncations due to misconfiguration EventStore#2436
  • New route in PersistentSubscriptionController to view parked messages /subscriptions/viewparkedmessages/{stream}/{group} EventStore#2392
  • A new project EventStore.NETCore.Compatibility which takes the code for System.UriTemplate from .NET Framework 4.8 reference source (MIT-licensed) instead of depending on SimpleSyndicate.UriTemplate (no license) EventStore#2439
  • TCP jwt authorization on the wire EventStore#2449
  • Push EventStore.ClientAPI and EventStore.ClientAPI.Embedded to GitHub Package Registry EventStore#2462
  • Provide the ability to specify DnsEndPoints as part of gossip seeds. EventStore#2455
  • Provide the ability to specify DnsEndPoints as advertise information EventStore#2455
  • Extended the proto contract for read responses to include Stream Not Found. EventStore#2473
  • With the terminology changes we made, the class names have been changed but we just missed renaming the files. EventStore#2383
  • Fix bug introduced by f87b317b78248638aba18a6173e63b809ece5d66 EventStore#2406
  • When restarting each node one at a time, should keep db as the test fixture will remove the root directory. This test fails the CI quite often. EventStore#2482
  • Use TrySetResult instead of SetResult so that exceptions are not thrown if setting result twice EventStore#2406

Fixed

  • Connect to existing master when a node starts up instead of triggering unnecessary elections if a quorum of nodes is already present. EventStore#2386
  • Add server certificate validation when follower forwards requests over leader's external HTTP. EventStore#2408
  • Fix ArgumentNullException in ByCorrelationId standard projection when the event's metadata is null. EventStore#2430
  • WhatIf option will now terminate the application if set. EventStore#2432
  • No longer raise an exception when reading a linked event with a bad payload. EventStore#2424
  • In the TCP client, prevent the first operation from taking a huge amount of time in some situation. EventStore#2440
  • Do not wait for acks/nacks after a potential subscription failure. The task might never complete. EventStore#2437
  • Read-only replicas can be stuck in Subscribing to Leader mode EventStore#2427
  • NodePreference.Leader is not always honored in ClusterDnsEndPointDiscoverer EventStore#2422
  • Initialize a Console Logger when the application initializes EventStore#2444
  • Skip emitted events during recovery if their linked event no longer exists. EventStore#2447
  • Overflow bug when setting file size based on number of midpoints EventStore#2450
  • Off by one in GetDepth() which can cause less midpoints to be computed when increasing IndexCacheDepth in some cases EventStore#2450
  • Broken CI Build EventStore#2466
  • the default ArraySegment's data is null, not an empty array. EventStore#2486

Bug

  • Event Counts in GRPC Transport no longer wrap to negative values if > int.MaxValue EventStore#2452

Updated

  • Changed the default schema on the projection and users manager to be https. EventStore#2459

[6.0.0 - Preview 3] - 2020-03-11

The changelog below is a summary of the all of the preview releases.

Added

  • New gRPC .NET client added.
  • The ability to filter reads by regex or prefix for both stream name and event type.
  • New options for certicates. Can be provided as PKCS, public/private key pair and windows store.
  • Introduction of a liveness health check at {server_address}/health/live.
  • Improvements to projection writes.
  • Read-only replica. A node that will not partake in elections and is non promotable. Started with the --read-only-replica argument
  • The ability to resign master using {server_address}/admin/node/resign.
  • Added in the ability to set node priority with {server_address}/admin/node/priority/{priority}.

Changed

  • Change of cluster role names from master/slave to leader/follower.
  • Both client and server have been moved over to .NET Core.

Deprecated

  • ATOM and TCP are being deprecated. These can be re-enabled with --enable-external-tcp and --enable-atom-pub-over-http.
  • Clone nodes have been deprecated and replaced with read only replicas. Can be re-enabled using --unsafe-allow-surplus-nodes

Removed

  • Support for Event Store server on macOS.
  • Undocumented projection selectors.
  • The requirement for mono.

Security

  • TLS is enabled by default for internal node communication. Can be disabled by --disable-internal-tls.
  • All external HTTP is HTTPS by default.