Gemini 3 Pro Preview is not working properly

Gemini API
1

Dear Gemini API Team, in my coding agent (developed by me), for about the last 12 hours Gemini 3 Pro Preview has been providing completely anomalous responses—different and useless compared to what it was providing previously.

3

Perhaps related to Gemini responds with structured / JSON-like output only when Function Calling is enabled - #22 by khbiotech ?