If the Goanna fork becomes the main version, there is no need to change the name. However, one of the first suggestions I saw in this threa, 'G-Meleon', would be rather nice. Or 'N-Meleon' could work too, since N is the fourth letter in 'Goanna', and K is the fourth letter in 'Gecko'.
I just hope the community here and K-Meleon in itself survives and has
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K-Meleon on Goanna