Google's RCS encryption extensions are proprietary and not standardized. The limitations of "green bubbles" also apply to Google's actions. Apple has at least a

Google's RCS encryption extensions are proprietary and not standardized. The limitations of "green bubbles" also apply to Google's actions. Apple has at least announced that they plan to develop a standardized end-to-end encryption extension of RCS with the GSMA. It'd be great if Google also worked together with Apple to put this nonsense behind us.