On a quiet summer afternoon in July, King Charles III reunited with his prodigal son, wife and grandchildren at a private residence in the picturesque English countryside.The meeting was one few had thought possible six years after Prince Harry and Meghan Markle, the Duke and Duchess of Sussex, made the stunning decision to walk away from the royal family.At Highgrove, far from the prying eyes of the press, the King and his wife Camilla hosted the couple and their children, Archie and Lilibet, for more than an hour.Charles is believed to have gone to great lengths to keep it a secret from everyone but his significant other. His other son, Prince William, and his wife Princess Catherine were reportedly kept in the dark."The king wanted to see Harry and the children. A time was agreed for the Sussexes to come to Highgrove on Friday afternoon, and it was uncharacteristically last-minute for the king," an unnamed source close to the monarch told Vanity Fair."Everyone was sworn to secrecy so that the meeting could remain private."Little is known about what took place that afternoon, but it may have helped change the relationship between father and son after years of failed efforts at reconciliation.The revelation Meghan and Harry are now moving back to the UK after six years in the US may be further indication of a shift.A lot has changed since they stepped back as senior working royals and went public with their private battle with the institution in an interview with Oprah Winfrey, a Netflix special and Harry's tell-all memoir, Spare.The open feud has sparked anger and hurt on both sides of the Firm, but the passage of time has brought with it changes in the health and circumstances of some of its key aging members.The King's painful cancer diagnosis in 2024 and his son's publicly expressed desire for reconciliation last year could have been the catalyst for a rapprochement, or at the very least brought the relationship between the two out of the deep freeze.But while a move to London now brings the Sussexes in closer proximity to Harry's family, it does not solve the Windsor's complicated dynamics or the deep rift between two brothers.Nor does it address the complex and personal reasons that forced the couple to leave in the first place.Charles may be more forgiving than WilliamWhen Harry and Meghan left for the US in 2020, their bombshell decision was a clear sign of their rupture with the royal family, and the move appeared permanent.Harry married Meghan Markle in a dazzling ceremony at Windsor Castle in 2018.