3.0 was the latest formualtion, its longevity was improved in the 3.0 version. The prior version provided the same look, 3.0 made it much more durable. The 3.0 series were all slight "tweaks" to previous formulations.
To make sure you have the latest WGDGPS formulation:
Does your bottle have a USB port? Maybe you can plug it in
and upgrade to 3.0 by downloading an update online?
Seriously...
It appears that WGDGPS 3.0 has been around since at least 11.04.2009:
What degree (if any) of scratch protecrion would this sealant provide? Ive learned that ceramics provide scratch protection and have been comparing the two.
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