**category.xml**

1. `category.xml` must be same with `/studio-full-master/build/talend.studio.tup.all.p2.product/category.xml`, can just copy this file to here

**content.jar**

1. regarding the update of `content.jar`, **DON'T** update it from **milestone** build, since the version in milestone is like 8.0.1.M12, this version will be higher than the normal release version like 8.0.1.20210923

