private void createDiff() {
		Frame frame = tool.getToolFrame();
		try {
			frame.setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
			tool.clearStatusInfo();

			if (secondaryDiffProgram == null) {
				throw new AssertException("Expected secondaryDiffProgram");
			}
			if (executeDiffDialog != null) {
				executeDiffDialog.close();
				executeDiffDialog = null;
			}
			displayExecuteDiff();
		}
		finally {
			frame.setCursor(Cursor.getDefaultCursor());
		}
	}
Reload the marked differences in the diff panel.
Ghidra/Features/ProgramDiff/src/main/java/ghidra/app/plugin/core/diff/ProgramDiffPlugin.java