Stairways Software has released Keyboard Maestro 6.4 with support for reading and modifying file tags in OS X 10.9 Mavericks. Amongst the update’s more than 50 changes, the automation utility also improves accessibility and VoiceOver support, adds asynchronous options for executing scripts and sub-macros, adds several new AppleScript commands, plugs a memory leak in the image finding code, and fixes a number of potential crashes. ($36 new with a 20 percent discount for TidBITS members, free update, 24.4 MB, release notes)
Avoid Long Hierarchical Menus
If you right-click (or Control-click) on some item, such as a file in the Finder, and one of the sub-menus has many options (Open With is a frequent culprit), it may take several seconds to open, even on a fast machine, which is annoying if you did not actually want that sub-menu.
The trick is to not pull the cursor through the menu, but in a curve around it, so the cursor does not touch any menu items until lower on the list where you wanted to go.
Visit Eolake's Blog