The reality of the situation is the time for that is November 6th and later (or during the primaries or the last 4 years).
For the months between the primary concluding and the general election concluding, if you support the candidate, then criticism is a distraction that undermines the goal of getting them elected.
So you are free to criticize of course, but it’s a practical concern to be aware of that you are convincing others to not vote at all or vote against the candidate.
The reality of the situation is the time for that is November 6th and later (or during the primaries or the last 4 years).
For the months between the primary concluding and the general election concluding, if you support the candidate, then criticism is a distraction that undermines the goal of getting them elected.
So you are free to criticize of course, but it’s a practical concern to be aware of that you are convincing others to not vote at all or vote against the candidate.