Bug: Json mode with gpt-4-1106-preview results in typos in the keys (response)

I provided the following schema in the system prompt, with two filled in examples. It results in perfectly good JSON when running it without json mode, but as soon as I turn it on, it will regularly mess up the “areas_for_improvement” key, and only that one. Typos like “arews_for_impvoment”. I’m using the gpt-4-1106-preview, haven’t had a chance to see if the same thing happens with other models.

  "person": "Mike",
  "client": "Prospect",
  "outcome": "N/A",
  "positive": "Not applicable",
  "areas_for_improvement": [