It seems that the artist link in the "Listening now" page and card is not in sync with recent listens.

While the track already appeared in recent listens with the correct artist link it linked to "https://musicbrainz.org/artist/%7B" in "Listening now" even after refreshing the page.

So far it happens consistently with

• https://open.spotify.com/track/5c4cpOWtrjbYMobJ972biI
• https://open.spotify.com/track/5ZwSFzuvIY4w8KyZ4pO3G2

Submitting listens from Spotify with https://chrome.google.com/webstore/detail/web-scrobbler/hhinaapppaileiechjoiifaancjggfjm
 
Also seems to happen with ListenBrainz Player:

• https://musicbrainz.org/recording/85f4391c-8515-4011-8d55-1f88d4fa8f01 (matched to https://www.youtube.com/watch?v=avtsCAq2i2U)
  Feat. artist is correctly displayed in recent listens (although not removed from the title yet) but in the "Listening now" card it isn't

I've also noticed that the cover art is often missing in the "Listening now" card yet on https://listenbrainz.org/listening-now/ and "recent listens" it's shown