Was actually passed in July 2019 as something different, as the COVID stuff came up it was repurposed. https://www.congress.gov/bill/116th-congress/house-bill/748/titles
I was partially correct, it passed the House in July 2019. Flip through the tabs on that site, gives you how it was introduced, Actions, Amendments etc.
And yet they ban a "meritless" Conspiracy Theory, that could cause "Real World Harm"….Oh the Irony