Apple has updated its Logic Express and Logic Pro audio recording/editing tools. Both require Mac OS X 10.5.8 or higher.

Logic Express 9.1.5 — a 138.84MB download — improves overall stability and addresses some minor issues including the following:

° All instrument and effect plug-ins that use LFO’s synced to the beat now behave correctly.

° The Toggle Zoom key command now returns to previous zoom level as expected.

° Improved compatibility with Apogee’s Duet 2.

Logic Pro 9.1.5 does the same. It’s a 192.55MB download. You can obtain the updates via the Software Update component of the Mac OS X System Preferences app.