Welcome to Law.com Class Actions: Critical Mass, a weekly briefing for class action and mass tort attorneys. 

This week: With billion-dollar settlements and bankruptcies, is the opioid litigation wrapping up? Not quite. Also, new lawsuits blame Kia and Hyundai for a raft of auto thefts sparked by viral videos on TikTok and YouTube. Who is representing Nelnet Servicing LLC in lawsuits over its Aug. 26 data breach?

I'm Amanda Bronstad. Feel free to reach out to me with your input. My email is [email protected], or follow me on Twitter: @abronstadlaw.