Peter Lewis of Stairways Software has released Keyboard Maestro 6.4.3, a small update that solves a problem with the macro editor eating too many CPU cycles — especially with Google Chrome actions. The release now updates only visible actions in the editor window, and it fixes incorrect text in the non-edit mode display of Quit/Hide Applications. ($36 new with a 20 percent discount for TidBITS members, free update, 24.8 MB, release notes, 10.8+)
Single Time Machine Backups
Tired of Time Machine running all the time? You can turn it off in the Time Machine preference pane, but still initiate a single backup by choosing Back Up Now from Time Machine's menu bar icon. Of course, your backup is much less likely to be up to date, but Time Machine won't be taking any resources while you're trying to work.
Keyboard Maestro 6.4.3
Set up short abbreviations which expand to larger bits of text,
such as "Tx" for "TextExpander". With the new custom keyboard,
you can expand abbreviations in any app, including Safari and