Github user junichi11 commented on the issue:
https://github.com/apache/incubator-netbeans/pull/66
Probably, There is no document about it in the wiki. I think there is no
problem even if a new branch is not created. But you may get a problem in your
repository after your PR is merged. e.g. If your commits are rebased then
merged in the upstream repository, the upstream repository has the different
commit id from your one. To keep the master branch up-to-date with the upstream
repository, I recommend that you use it :)
---
