There had been a brief return to England when she provided testimony for various trials, timed when the Grangers had recovered their memories and need some space before reconnecting with the daughter who had manipulated them. Hermione had seen Ron during that time, but they were both in a bad place and still didn't discuss the kiss. Ron was raging about how similar the world seemed despite the life changing events of the past year. Hermione was tortured over having taken her parents" free will and wrestled with ruminations about choice, protection, and love. Ron didn't get the nuances, couldn't even see the issues.