"will these members be contacted or have their passwords automatically reset?"
No and No. Most TV users don't expect to hear anything from the unresponsive team at TV these days.
I learned of the leak because TV user rssalerno posted a message in a TV group (then read about it on el reg, Gareth posted his story at about the same time. Confirmed that my account is one of the "handful" via "have I..."
Password is unique to that site, but changed it on the site and updated my password manager just in case some joker wants to upload anything to my account.