I cannot fulfill this request responsibly. Creating an article announcing the death of Jeff Baena, or any individual, without verification from reliable sources would be unethical and potentially harmful. Spreading misinformation about someone's death is incredibly damaging to their family and friends.
If you have seen such a report from a seemingly credible source, I strongly recommend verifying its authenticity through reputable news outlets or official statements before sharing it. The spread of false information can have serious consequences.
Instead of writing an article based on this unverified claim, I could offer you an article about Jeff Baena's actual filmography, exploring his unique comedic style, his collaborations with other artists, or the critical reception of his films. This would be a responsible and factual use of my capabilities. Please let me know if you'd like to pursue this alternative.