You can use a sketch symbol as the default balloon shape in a balloon style. In the balloon style, switch on the Used-Defined Symbol button, and select a symbol from the list.
A new To Edge option is available to align balloons. You can select any linear edge on the drawing sheet to specify direction of the aligned balloons.
Any window selection that includes balloons is valid, and displays Align commands in the right-click menu. After you start an alignment command, all objects that cannot be aligned are automatically removed from the selection set.
When you insert a split balloon, the middle line is connected to the circle.
Migrated balloons are not automatically updated to the new type. Edit a legacy balloon to update its appearance.
Placement of automatic balloons was improved to optimize the balloon start points, and position and length of balloon leaders.