Scrolling left or right in the track window: You can now scroll (pan) horizontally through the tracks image by clicking on the image, dragging the cursor to the left or right, then releasing the mouse button. The view may be scrolled by up to one image width.
Improved drag-zoom navigation: The browser's "drag-and-zoom" feature lets you quickly zoom to a specific region of interest on the annotation tracks image. - To define the region you wish to zoom to, click-and-hold + To define the region you wish to zoom to, depress the shift + key, click-and-hold the mouse button on one edge of the desired zoom area - (which can be anywhere in the tracks window), depress the - shift key, drag the mouse right or left to highlight the + (which can be anywhere in the tracks window), + drag the mouse right or left to highlight the selection area, then release the mouse button. The annotation tracks image will automatically zoom to the new region. The Genome Browser still supports the earlier implementation of this feature, which restricted the click-drag to the Base Position track area of the image, but did not require the shift key to be pressed.
Reordering groups of tracks: You can now vertically reposition an entire group of associated tracks in the tracks image (such as all the displayed subtracks in a composite track) by clicking and holding the gray bar to the left of the tracks, dragging the group to the new position, then releasing the mouse button. To move a single track up or down, click and hold the mouse button on the side label, drag the