https://news.ycombinator.com/item?id=35683254
I tried some of the filtering and it still seems to be working. The link is just pointing to the code in the syntax page, not an actual announcement. It could just be that they are reorganizing their documentation. Or, maybe they're planning on dropping support soon. That would be a shame.
https://duckduckgo.com/?q=cats+%2Bdogs&t=raspberrypi&ia=web
https://duckduckgo.com/?q=cats+filetype%3Apdf&t=raspberrypi&ia=web
https://duckduckgo.com/?q=dogs+site%3Aexample.com&t=raspberrypi&ia=web
Knock on effects for the other metas, seems to be a Bing API thing. Good to see Brave finally acknowledge using other indexes
https://search.brave.com/search?q=site%3Ath3core.com&source=web
https://search.brave.com/search?q=site%3Ath3core.com+-afkhdgskhg&source=web