"query:Unread:unread = \"yes\""

"query:Arch Linux Unread:tags # \"Arch\" and unread = \"yes\"

"query:Blogs:tags # \"Blogs\" and unread = \"yes\"

"query:Software:tags # \"Software\" and unread = \"yes\"

"query:Podcast's:tags # \"Podcast's\" and unread = \"yes\"

"query:YouTube:tags # \"YouTube\" and unread = \"yes\"