Modifying sketches also modify bodies

Please turn back the feature to delete sketches while working without deleting bodies

Thank you

In history, you can merge history and than it is possible to delete sketches without affecting the bodies.
There are lot of threads covering this topic already

Can you go into greater detail of your explanation regarding merging history because I too would like to delete some of my sketches while keeping the bodies intact.
Thanks!

Here is official S3D announcement containing videos. That is probably best way

And here is another example: