* how you adjusted the product to match the market
* what technical challenges you overcame
* how you adapted the product to handle a pivot
* dealing with not enough resources
Everything except the cofounders. Your opinion about what they did.
It is unhelpful to talk about the drama in this startup.
If anyone asks about why you are leaving - the short answer is the best one: product-market fit was not present. Do not be tempted to invite further questions. No matter what those questions are not positive for you.
* what you learned about the needs of the market
* how you adjusted the product to match the market
* what technical challenges you overcame
* how you adapted the product to handle a pivot
* dealing with not enough resources
Everything except the cofounders. Your opinion about what they did.
It is unhelpful to talk about the drama in this startup.
If anyone asks about why you are leaving - the short answer is the best one: product-market fit was not present. Do not be tempted to invite further questions. No matter what those questions are not positive for you.