Which version of Hangfire is included? Is it updated alwasy to the latest when there is an new release of abp? Can we use hangfire extensions?
Hangfire v1.7.X is being used. https://github.com/abpframework/abp/blob/dev/framework/src/Volo.Abp.HangFire/Volo.Abp.HangFire.csproj#L18 We generally update the packages to the latest. Hangfire latest version is 1.7.19. When you restore packages you'll have the latest package of Hangfire.