Some officials briefed on the intelligence said that it was relatively weak and that the Energy Department’s conclusion was made with “low confidence,” suggesting its level of certainty was not high. While the department shared the information with other agencies, none of them changed their conclusions, officials said. (https://www.nytimes.com/2023/02/26/us/politics/china-lab-lea...)

I wish they would share whatever this new evidence is with the public. There's not agreement about what it means among the agencies who have seen it, so maybe having more eyes on the problem can clarify the situation.