Hi, I know there used to be active development on the port of Kdevelop to 6, and the website makes it look like the website is completely abandoned.
Hi - given that web content might not always be a priority for project developers to keep up-to-date (confirmed in this case), I usually check the code repository itself to see if activity is ongoing for a project. In the case of KDevelop, it still looks pretty active: KDevelop ยท GitLab