You can always control the filters that are used on your sources whether you need to refine the filters, delete the filters, etc. When you apply new filters or edit filters, it will only apply to your sources moving forward. It will not apply retroactively to articles that have already been brought in to the upcoming articles page.
If needed, you can:
- edit existing filters/ filters groups
- archive existing filters
- apply a filter to all sources
- apply a filter none of your sources