Many (most?) colleges already had a pass / no-pass (or similar) grading option, but some of them are extending it for this semester by one or more of the following ways:
- Allowing it to be used for courses that normally are required to be taken for a letter grade.
- Having a later deadline (possibly even after being able to see what the final letter grade would be) to choose between a letter grade and pass / no-pass (or similar).
- Making it mandatory for all courses this semester.