Using cFS: use as-is vs. modify and merge updates?

[shawnadams333-ga]

We've had some discussions recently about whether or not to add a few capabilities to some cFS modules. Updates from Github are easy to apply if we don't modify cFS. But adding a few new capabilities to the cFS source code is an attractive option for our overall use-case.

We're curious about other users' experiences using cFS.

Have you customized cFS for your specific use-case? Or, do you use it as-is?

If you have modified cFS, have you had any complications incorporating updates from Github?