Now I have both circles and the original bars on 3.4.1.
CSS
div.widget ul {
list-style-type: none !important;
}
div.widget ul li a:link,
div.widget ul li a:visited,
div.widget ul li a:active,
div.widget ul li a:hover {
border-left: 0 !important;
padding-left: 0 !important;
}
div.widget ul {
/* for other styles, try "disc" and "square" instead of "circle" */
list-style-type: circle !important;
padding-left: 0;
margin-left: 0;
}
div.widget ul li {
/* 1.35 or more required for Safari or bullets too wide on the left */
margin-left: 1.35em;
/* overwrite existing display:block Firefox */
display: list-item;
}