jj also has worktrees, though they're called workspaces. They're useful, but they're not really what your parent is talking about, your parent is talking about

jj also has worktrees, though they're called workspaces. They're useful, but they're not really what your parent is talking about, your parent is talking about a workflow where you realize you've want to break up your work after the fact, rather than setting out to do it that way from the start.