The openEO R client has been released in version 1.2.0 and features a couple of new features and improvements. We recommend upgrading as soon as possible.
All the details can be found at R Client v1.2.0 has been released | openEO
For openEO Platform specifically, this has the advantage that users don’t need their own client ID and secret anymore for logging in. The custom client IDs will be transitioned out of usage in the next months. Please use the new login procedure which is as simple as calling login().