The Canon EOS RP raw files should be supported in this update release of Camera raw.
Camera Raw 11.2.1 which, in addition to the new camera support listed below, includes a bug fix affecting the opening raw files stored on a NAS. This change should fix issues with Bridge and Lightroom Classic opening raw files using Edit in Photoshop. Note: It is necessary to install the Camera Raw update to fix this issue. Installing Lightroom Classic 8.2.1 alone will not affect the issue.
New camera raw file support added in this release: