http://www.olympus.co.jp/en/support/imsg/digicamera/download/software/firm/e1/index.cfm

-
Reduced the sound of Image stabilizer operations when IMAGER AF and HYBRID AF are being used.

-
Resolved the issue where pressing the delete button in Close-up playback occasionally caused the Card access lamp to blink.

-
Resolved the issue where images with a changed aspect ratio played back with Index display sometimes had horizontal stripes.