Canon EOS 40D Firmware v1.0.8 is now available.
“This firmware update (Version 1.0.8) incorporates the following improvements and fixes.
1. Fixes a phenomenon in which Image Stabilization operation emits a sound when certain buttons are pressed, with the EF-S 55-250mm f/4-5.6 IS lens attached to the camera.
2. Fixes a phenomenon in which the Image Stabilization operation emits a sound from the lens when IS lenses are attached to the camera.
3. Fixes a phenomenon in which a part of the image looks unnatural when reviewed on the LCD.
4. Corrects errors in the Spanish and Norwegian menu screens.”
If you use the camera in Spanish or Norwegian you better get your 40D updated quick.