Is this grammatically correct? What does it mean? Any possible rephrasing? Is this a new feature in/on Opay? How true is it?

Yes, the sentence is grammatically correct. It means that the speaker is inquiring whether a particular feature is new to the Opay platform or application. The phrase "How true is it?" suggests that they are also questioning the accuracy or reliability of the information regarding this new feature. Possible rephrasing could include: 1. "Is this a new feature in Opay?" 2. "Is this a new feature on Opay?" 3. "How accurate is this information?" 4. "Is this information about a new feature in Opay reliable?" Feel free to choose or combine any of those rephrasings based on your context!