Canon has released five new camera firmwares with the following update:
Corrects a phenomenon in which when using the camera with the EF-S 18-135mm f/3.5-5.6 IS USM or EF 70-300mm f/4-5.6 IS II USM lens, even if lens aberration correction is set to "Enable", correction will not be applied.Note that the EOS 6D's updated firmware does not include correction for the [incompatible] EF-S 18-135mm f/3.5-5.6 IS USM.
Canon Firmware Updates
Note: Canon EOS 6D users should note the following in the firmware update details:
If the firmware is updated from version 1.1.6 or before, the following setting will be reset to default.Canon is working on additional firmware updates to address the same issue. DSLR firmware updates which have yet to be released include:
Menu > Custom Function> C.Fn II: Autofocus > AF Microadjustment> 1: All by same amount