Nothing to really be worried about but if you are waiting to get one of the new Panasonic lenses you will have to wait a bit more on some of those. These are the new shipping dates:
Leica 12-60mm lens will start shipping on Feb 26 at Amazon, BHphoto and Adorama.
12-35mm F/2.8 II Asph will start shipping on March 30 at Amazon, BHphoto and Adorama.
35-100mm f/2.8 II ASPH will start shipping on March 30 at Amazon, BHphoto and Adorama.
45-200mm f/4-5.6 II POWER OIS will start shipping on Feb 26 at Amazon, BHphoto and Adorama.
100-300mm f/4.0-5.6 II POWER OIS will start shipping on Feb 26 at Amazon, BHphoto and Adorama.
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Thanks Jonathan for this!