A few days ago, many users have started receiving emails from job subscriptions that contain jobs that do not match the filters defined for the subscription.
The examples below show screen-grabs from a couple of emails where is bug has manifested itself.
The first shows a subscription for jobs that allow remote working:
When you look at any of the jobs from the above email, they do not allow remote working:
The second example shows jobs confined to a specific geographic area, however, the jobs included within the email are clearly outside of the geographic area defined:
Furthermore, performing a search on the Stack Overflow Careers site for C# jobs within 50 miles of London, UK also give erroneous results:
It seems that there's a bug with the job search that's ignoring all search criteria.