Ms. Swift did not drop a secret album on Wednesday, but did make a track, “You’re Losing Me (From The Vault),” available for the first time on streaming platforms. She also recorded a short thank you video, which is available to some Spotify users as part of the Wrapped campaign.

Numerous other artists, including Dolly Parton and SZA, recorded thank you videos this year and released them to select Spotify users on Wednesday, Ms. Ong said.

The Wrapped campaign involves a complicated calculus of streaming data and listening habits. User data is tracked from January until just a few weeks before the campaign is released to provide an accurate, and surprisingly introspective, depiction of what went into listeners’ ears over the last 11 months.

Spotify’s release of listener data, which is designed to be easily shareable on social media, doubles as a marketing push. Apple Music, a rival platform, has its own year-end campaign, Replay, but it has yet to elicit the same online response.

On X and other platforms on Wednesday, Swifties traded notes on how many minutes they had spent in 2023 listening to their favorite singer.

“So Spotify wrapped is out and I can’t say I’m shocked! 116,000 minutes!” wrote one.

“I spent 40,952 minutes with taylor this year,” another fan wrote. “maybe i need to calm down.”