Hangfire 1.8.0

Learn more about Target Frameworks and .NET Standard.

• .NETFramework 4.5.1

  • Hangfire.Core (= 1.8.0)
  • Hangfire.SqlServer (= 1.8.0)
  • Microsoft.Owin.Host.SystemWeb (>= 3.0.0)

• .NETStandard 1.3

  • Hangfire.AspNetCore (= 1.8.0)
  • Hangfire.Core (= 1.8.0)
  • Hangfire.SqlServer (= 1.8.0)

• .NETStandard 2.0

  • Hangfire.AspNetCore (= 1.8.0)
  • Hangfire.Core (= 1.8.0)
  • Hangfire.SqlServer (= 1.8.0)

Release notes are available in our blog https://www.hangfire.io/blog/
Please see https://docs.hangfire.io/en/latest/upgrade-guides/upgrading-to-hangfire-1.8.html to learn how to upgrade.

1.8.0

Hangfire.Core

• Breaking – Dropped the `NET45` platform target in favor of the `NET451` target to support Visual Studio 2022.

• Added – Introduce the `Job.Queue` property, so jobs now can have their own queue specified.
• Added – Method overloads to create background jobs directly with a custom default queue.
• Added – Method overloads to create recurring jobs directly with a custom default queue.
• Added – `IBackgroundJobClient.Create` method overloads with the new `queue` parameter.
• Added – Allow to filter exception types in `AutomaticRetryAttribute` by using the new `OnlyOn` property.
• Added – `DeletedState` now has the persisted `Exception` property populated after a failure.
• Added – `JobContinuationOptions.OnlyOnDeletedState` to create continuations after a failure.
• Added – `Exception` job parameter is passed to continuation when `UseResultsInContinuations` method is used.
• Added – `FromExceptionAttribute` to deal with an antecedent exception in a background job continuation.
• Added – Make it possible to specify multiple `JobContinuationOptions` values for a continuation.
• Added – `BackgroundJobServerOptions.IsLightweightServer` option to run a server with no storage processes.
• Added – Ability to use custom formattable resource identifiers for the `DisableConcurrentExecution` filter.
• Added – Pass `ServerId` to `FailedState` instances to simplify the debugging on different servers.
• Added – Allow to pass job parameters when creating a job (by @brian-knoll-micronetonline).
• Added – `MisfireHandlingMode.Strict` to create a job for each missed recurring job occurrence.
• Added – Support for default culture and UI culture via the `UseDefaultCulture` configuration method.
• Added – Introduce the `captureDefault` parameter in the `CaptureCulture` filter.
• Added – `IGlobalConfiguration.UseFilterProvider` extension method to unify the configuration.
• Added – Built-in `Remove` method for `JobFilterCollection` to remove global filters based on their type.
• Added – `CompatibilityLevel.Version_180` flag to avoid storing culture parameters when they are the same as the default ones.
• Changed – Create job atomically when `Transaction.CreateJob` feature is supported by the storage.
• Changed – Query time from storage in recurring and delayed schedulers when supported by storage.
• Changed – Move job to the `DeletedState` instead of `SucceededState` when its invocation was canceled by a filter.
• Changed – Speedup delayed jobs when a custom default queue is specified by avoiding extra state transition.
• Changed – Use UI culture from `CurrentCulture` parameter when `CurrentUICulture` one is missing.
• Changed – Increase the default value for the `BackgroundJobServerOptions.StopTimeout` to 500 ms.
• Deprecated – `AddOrUpdate` overloads with optional params defined in the `RecurringJobManagerExtensions` class.
• Deprecated – `AddOrUpdate` overloads with optional parameters defined in the `RecurringJob` class.
• Deprecated – `AddOrUpdate` method overloads with no `recurringJobId` parameter.
• Deprecated – `RecurringJobOptions.QueueName` property, new methods should be used instead.
• Breaking – Dropped `NET45` platform target in favor of `NET451` target to support Visual Studio 2022.

Dashboard UI
• Added – Dark mode support for Dashboard UI depending on the system settings (by @danillewin).
• Added – Dashboard UI now has a full-width layout to display more data (by @danillewin).
• Added – Allow to add custom JavaScript and CSS files to the Dashboard UI via the `DashboardRoutes` class.
• Added – `DefaultRecordsPerPage` property on the `DashboardOptions` class (by @PaulARoy).
• Added – `IGlobalConfiguration.UseJobDetailsRenderer` method for custom renderers for the Job Details page.
• Added – Display deleted jobs in the Realtime and History graphs when supported by storage.
• Added – `IGlobalConfiguration.UseDashboardMetrics` extension method to pass multiple metrics at once.
• Added – State renderer for the `DeletedState` to display its new exception property.
• Added – Support for new `MonitoringApi` methods for the Awaiting Jobs page.
• Changed – Make it possible to display methods of non-loaded jobs in the Dashboard UI when supported by storage.
• Changed – Improved display of realtime chart with more accents on failed and deleted jobs.
• Changed – Don't display the queue name in the state transition list when it's the `default` one.
• Changed – Display scheduled job count when the enqueued count is zero on the main metric.

Extensibility
• Added – `Factory`, `StateMachine`, and `Performer` properties to context classes to avoid injecting services.
• Added – Allow to pass custom data to `ApplyStateContext` and `ElectStateContext` instances.
• Added – Preserve custom data dictionary between the entire filter chain.
• Added – Allow to pass a transaction to background job state changer when new methods are implemented.
• Changed – Ignore some members when serializing a `JobFilterAttribute` instance to decrease the payload size.

Storage
• Added – Virtual `JobStorage.GetReadOnlyConnection` method intended to return `JobStorageConnection` for replicas.
• Added – Virtual `JobStorage.HasFeature` method for querying optional features.
• Added – The `JobStorageFeatures` class to avoid using magic strings in storage features.
• Added – Optional `GetSetCount`, `GetSetContains`, and `GetUtcDateTime` methods for the `JobStorageConnection` class.
• Added – Optional `AcquireDistributedLock` and `RemoveFromQueue` methods for the `JobStorageTransaction` class.
• Added – Optional `CreateJob` and `SetJobParameter` methods for the `JobStorageTransaction` class.
• Added – Optional `ParametersSnapshot` property for `BackgroundJob` and `JobData` classes to minimize roundtrips in the future.
• Added – Support for transactional acknowledgment using a new storage method for better handling some data loss scenarios.
• Added – Fetch `Retries` and `Awaiting` metrics in `StatisticsDto` properties when supported by storage.
• Added – The `JobStorageMonitor` class with more available methods for the new features.
• Changed – Allow to query job parameters without additional roundtrip when supported by storage.
• Changed – Expose state data dictionaries in list DTOs when supported by storage.
• Changed – Rely on storage indexing with the `Monitoring.AwaitingJobs` feature.

Internals
• Added – `IBackgroundProcess.UseBackgroundPool` now allows to pass thread configuration logic.
• Added – `BackgroundJobServerOptions.WorkerThreadConfigurationAction` option for custom thread configuration.
• Changed – Allow changing queues on the fly with custom worker configuration.
• Changed – Avoid storage roundtrip to query job data in worker, take data from previous state change.
• Changed – `FromParameterAttribute`-based logic now always overwrites arguments, even with non-null values.
• Changed – Turn the `JobContinuationOptions` enum into flags while still possible.
• Changed – Re-implement `TaskExtensions.WaitOneAsync` only with the `RegisterWaitForSingleObject` method.
• Changed – `ServerHeartbeatProcess` now uses `ThreadPriority.AboveNormal` to prioritize heartbeats.

Hangfire.NetCore

• Added – `IApplicationBuilder.UseHangfireServer` that accepts custom factory for `IBackgroundProcessingServer`.
• Added – `net451` and `netstandard1.3` targets for the package.
• Changed – Use `netstandard2.1` target instead of `netcoreapp3.0` for the package.
• Changed – Send the "stop" signal earlier when the host supports .NET Standard 2.1.
• Changed – Don't throw `ObjectDisposedException` when hosted service is disposed twice.

Hangfire.AspNetCore

• Breaking – Make the package to be dependent on Hangfire.NetCore and use the same types.
• Added – `IApplicationBuilder.UseHangfireServer` that accepts custom factory for `IBackgroundProcessingServer`.

Hangfire.SqlServer

• Breaking – Prioritise Microsoft.Data.SqlClient package over System.Data.SqlClient one.
• Breaking – Dropped the `NET45` platform target in favor of the `NET451` target to support Visual Studio 2022.

• Added – `Schema 8` migration with fixed `JobQueue.Id` column to use the `bigint` type.
• Added – `Schema 9` migration that creates an index for the `State.CreatedAt` column.
• Added – Automatic client package detection based on available types, preferring `System.Data.SqlClient` (by @0xced).
• Added – `SqlServerStorageOptions.DbProviderFactory` option to use a custom provider factory.
• Added – Clean up of old state entries of a non-finished job when `InactiveStateExpirationTimeout` is set.
• Added – `TryAutoDetectSchemaDependentOptions` option to automatically enable options based on the schema.
• Added – Optional experimental transactional acknowledge for SQL Server (`UseTransactionalAcknowledge` option).
• Added – Implement the `Connection.GetUtcDateTime` feature to make work the new changes in schedulers.
• Added – `SqlServerStorage.SchemaVersion` metric for Dashboard UI.
• Added – `DefaultQueueProvider` option to specify a custom default queue provider.
• Changed – Remove dependency on System.Data.SqlClient for Hangfire.SqlServer (by @0xced).
• Changed – Set default value for the `QueuePollInterval` option to `TimeSpan.Zero`.
• Changed – Polling delay when `QueuePollInterval` is set to zero now defaults to 200 ms.
• Changed – Sliding invisibility timeout-based fetching method is now used by default with a 5-minute timeout.
• Changed – Use command batching by default with a 5-minute maximum timeout.
• Changed – Enable the `UseRecommendedIsolationLevel` option by default.
• Changed – `GetJobData` now populates the `JobData.ParametersSnapshot` property to avoid additional roundtrips.
• Changed – Display scheduled and processing jobs in ascending order in Dashboard UI.
• Changed – Implement the `Transaction.AcquireDistributedLock` feature.
• Changed – Implement the `GetSetCount.Limited feature`.
• Changed – Implement the `GetSetContains feature`.
• Changed – Bump the internal version of Dapper to 2.0.123.
• Changed – Enable common metrics for SQL Server storage to be shown by default.
• Changed – Enable the `Monitoring.AwaitingJobs` feature for SQL storage.
• Deprecated – `UsePageLocksOnDequeue` option is now obsolete and doesn't affect anything.

Hangfire.SqlServer.Msmq

• Breaking – Dropped the `NET45` platform target in favor of the `NET451` target to support Visual Studio 2022.