Maintenance release with fixed recurring jobs behavior when they were scheduled to the past after calling the AddOrUpdate method in some corner cases, and added experimental parallel execution for recurring and delayed job schedulers via the new MaxDegreeOfParallelismForSchedulers option when supported by a storage implementation. The fixes are also backported to version 1.7.37.

Hangfire.Core

• Added – MaxDegreeOfParallelismForSchedulers experimental server option if supported by storage.
• Added – Experimental support for parallel execution of the delayed job scheduler.
• Added – Experimental support for parallel execution of the recurring job scheduler.
• Fixed – Recurring job is scheduled to the past after recovering from error with AddOrUpdate.
• Fixed – AddOrUpdate triggers execution of a recurring job, even if its next execution is in the future.
• Fixed – Two very minor errors in the Swedish localization file (by @Uglack).

Hangfire.SqlServer

• Fixed – Populate InvocationData and LoadException properties in JobDetails method results.