IMHO, this is the salient part:
According to a Commonwealth Court filing released Friday, the court ruled that Act 77, allowing residents to vote by mail in Pennsylvania, violates Article VII, Section 1 of the Pennsylvania constitution.
The Commonwealth Court denied the Pa. Department of State acting secretary’s application for summary relief.
In the ruling, Commonwealth Court President Judge Mary Hannah Leavitt wrote, “If presented to the people, a constitutional amendment to end Article VII, Section 1 requirement of in-person voting is likely to be adopted. But a constitutional amendment must be presented to the people and adopted into our fundamental law before legislation allowing no-excuse mail-in voting can be ‘placed upon our statute books.'”
Which I think means that the Pennsylvania State Constitution requires in-person voting, and therefore Act 77 that allows mail-in is unconstitutional. Did Act 77 allow no-excuse mail-in voting? Dunno. Does the PA Constitution permit exceptions for certain people to vote by mail? Dunno. [I assume Act 77 was legislation passed by the PA state congress.]
As far as I know, the court did not say anything about the disposition of mail-in ballots in the 2020 election, nor does it actually say anything about voter fraud. But we'll see what the PA state Supreme Court has to say, will they agree that a constitutional amendment is required to allow mail-in voting of any kind?