This is the second beta of upcoming the 1.6 release. It contains some new features, but most importantly, it incorporates bug fixes released with recent 1.5.5 and 1.5.6 versions related to SQL Azure and recurring jobs, please see them for more details.

Hangfire.Core

• Added – Ability to change statistics polling interval in dashboard (by @tristal).
• Added – Cron expressions for regular intervals for the Cron class (by @geirsagberg).
• Added – IRecurringJobManager interface for the RecurringJobManager class (by @arnoldasgudas).

Hangfire.SqlServer

• Changed – SqlServerObjectsInstaller class is public now (by @vbfox).

Please see the corresponding release on GitHub for linked issues/PRs.