Tom: Hi John, it's great to see you again. How was your vacation?

John: It was fantastic, thank you for asking. So, let's get into the review of your software. Overall, it looks good. But there are some areas that need improvement.

Tom: I appreciate your feedback. Could you give me some more details on the areas that need improvement?

John: Sure. The user interface needs to be more user-friendly, and the speed should be faster. Also, we need to add more security features to protect user data.

Tom: Okay, I will make the necessary changes. When do you want me to submit the updated version for another review?

John: Give me a week to go through the changes, and we will schedule a meeting to discuss the final version after that.


根据以上这段对话内容回答：Tom和John讨论的是什么软件？Tom需要在哪些方面改进？
Tom和John讨论的是Tom参与开发的一款新软件。Tom需要在用户界面、速度以及数据安全性方面进行改进。