I don't think so.
My OS is also Windows 10 Professional and there were no updates yesterday other than the usual Defender signature updates. The only thing I did to break the temperature reporting in the CPU meter and the reporting in GPU meter was after getting the beta update popup...
I am seeing the same problem here. I'm using Gadgets 2.3.0 and the latest beta version 5.54-3200 of HWinfo.
I'm seeing the same things as the other posters. CPU meter and the HWinfo plugin both do not show the temperature. The GPU plugin reports HWinfo not found, however it is indeed running...