Why discovery phase is required in any software development?

To know what to build and why? :)

The discovery phase is essential in software development as it allows teams to thoroughly understand project requirements, identify potential challenges, and define a clear roadmap for success. By investing time in this phase, businesses can mitigate risks, ensure alignment with stakeholders, and ultimately deliver solutions that meet user needs effectively. To explore more about the importance of the discovery phase, check out https://www.cleveroad.com/servic....

So that you don't spend months building something that nobody wants to pay for.

To understand the key challenges and requirements of the end product. And to not get lost or confused during the process.