The Do No Harm Act changes how the Religious Freedom Restoration Act (RFRA) works. It says RFRA cannot be used to block enforcement or implementation of several kinds of federal laws that protect other people. It also clarifies that RFRA-based claims can be brought only in court cases where the government is a party seeking relief from the government.
No publicly available information.
The bill itself states its purpose and suggests reasons someone might support it.
Based only on the bill text, these are potential concerns or open questions.