Hangfire 1.8.0-beta2

Learn more about Target Frameworks and .NET Standard.

• .NETFramework 4.5

  • Hangfire.Core (= 1.8.0-beta2)
  • Hangfire.SqlServer (= 1.8.0-beta2)
  • Microsoft.Owin.Host.SystemWeb (>= 3.0.0)

• .NETStandard 1.3

  • Hangfire.AspNetCore (= 1.8.0-beta2)
  • Hangfire.Core (= 1.8.0-beta2)
  • Hangfire.SqlServer (= 1.8.0-beta2)

• .NETStandard 2.0

  • Hangfire.AspNetCore (= 1.8.0-beta2)
  • Hangfire.Core (= 1.8.0-beta2)
  • Hangfire.SqlServer (= 1.8.0-beta2)

https://www.hangfire.io/blog/

1.8.0-beta2

Hangfire.Core

• Added – `MisfireHandlingMode.Strict` to create job for each missed recurring job occurrence.
• Added – Allow to pass parameters when creating a job (by @brian-knoll-micronetonline).
• Added – Make it possible to use specify multiple `JobContinuationOptions` for a continuation.
• Added – `CreateJob` method to the `JobStorageTransaction` abstract class.
• Added – `SetJobParameter` method to the `JobStorageTransaction` abstract class.
• Changed – Allow to query job parameters without roundtrip when supported by a storage.
• Changed – Turn `JobContinuationOptions` enum into flags while still possible.
• Changed – Avoid storage roundtrip to query job data in worker, take data from previous state change.
• Fixed – Don't overwrite existing argument values with null job parameters when using `FromParameter` attribute.
• Fixed – Job continuation mistakenly started when using the new `OnlyOnDeletedState` option.

Hangfire.SqlServer

• Changed – Set default value for the `QueuePollInterval` option to `TimeSpan.Zero`.
• Changed – Use command batching by default with 5-minute maximum timeout.
• Changed – Enable `UseRecommendedIsolationLevel` option by default.

1.8.0-beta1

Hangfire.Core

• Added – Display deleted jobs in the Realtime and History graphs when supported by storage.
• Added – `DeletedState` now have the persisted `Exception` property.
• 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 – Allow to filter exception types in `AutomaticRetryAttribute` by using the new `OnlyOn` property.
• Added – `IBackgroundProcess.UseBackgroundPool` now allows to pass thread configuration logic.
• Added – `IGlobalConfiguration.UseJobDetailsRenderer` method for custom renderers.
• Added – `BackgroundJobServerOptions.WorkerThreadConfigurationAction` option
• Added – Allow to pass custom data to `ApplyStateContext` and `ElectStateContext` instances.
• Added – Preserve custom data dictionary between the entire filter chain.
• Added – Fetch "Retries" metric with other statistics 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 – Virtual `JobStorage.GetReadOnlyConnection` method intended to return `JobStorageConnection` for replicas.
• Added – Virtual `JobStorage.HasFeature` method for querying optional features.
• Added – Optional `GetSetCount` and `GetUtcDateTime` methods for the `JobStorageConnection` class.
• Added – Optional `AcquireDistributedLock` and `RemoveFromQueue` methods for the `JobStorageTransaction` class.
• Added – Support for transactional acknowledge using new storage method for better handling some data loss scenarios.
• Added – `Factory`, `StateMachine` and `Performer` properties to context classes to avoid injecting services.
• Added – Allow to pass transaction to background job state changer when new methods implemented.
• Added – Optional `ParametersSnapshot` property for `BackgroundJob` and `JobData` classes to minimize roundtrips in future.
• Changed – Use the `AttemptsExceededAction.Delete` option by default in the global automatic retry filter.
• Changed – Move job to the `DeletedState` instead of `SucceededState` when its invocation was canceled by a filter.
• Changed – `FromParameterAttribute`-based logic now always overwrites arguments, even with non-null values.
• Changed – Improved display of real-time chart with more accents on failed and deleted jobs.
• Changed – Ignore some members when serializing a `JobFilterAttribute` instance to decrease size
• Changed – `ServerHeartbeatProcess` now uses `ThreadPriority.AboveNormal` to prioritize heartbeats.

Hangfire.SqlServer

• Added – Recommended Schema 8 migration with fixed `JobQueue.Id` column to use `bigint` type.
• Added – `SqlServerStorageOptions.PreferMicrosoftDataSqlClient` option to use the corresponding package.
• Added – `SqlServerStorage.SchemaVersion` metric for Dashboard UI.
• Added – Implement optional experimental transactional acknowledge for SQL Server (`UseTransactionalAcknowledge` option).
• Changed – Sliding invisibility timeout-based fetching method is now used by default with 5 minute timeout.
• Fixed – Ensure connection is released when exception is thrown when during lock release.

Hangfire.NetCore and Hangfire.AspNetCore

• Added – `IApplicationBuilder.UseHangfireServer` that accepts custom factory for `IBackgroundProcessingServer`.