I've followed Paradox' titles a lot more than I've followed news around the company, but I did find this piece to be an interesting summary of the last 10 years.
https://www.pcgamer.com/games/strategy/the-dark-age-of-paradox-interactive-what-exactly-happened-to-one-of-pc-gamings-best-publishers/
At times, it's a bit of a fluff piece, but it still is a useful overview of a company that produces games we've all played at some point.