MikaTC Thank you very much for your feedback!
We've received various requests regarding the masking feature in the past, and in fact, a few related threads have been highlighted in the "Related Discussions" section, so please feel free to check them out.
As Spinebot mentioned, we are aware that there is demand for such a feature. However, since implementing the same functionality across all runtimes requires a significant amount of work, it has been excluded from our short-term implementation plans.
We truly appreciate feedback like this, as it is always valuable to us. If you have any other feedback or concerns, please feel free to share them in this forum!