Original Post — Direct link
Fixed an issue where textures could shift their position within packfiles, potentially causing the download size of a patch to be larger than necessary.

Oh the irony...
over 4 years ago - ZOS_GinaBruno - Direct link
Apologies, everyone. The irony is not lost on us here, and we should've done a better job communicating the consequence of that bug fix. This should be the only time it results in a big download, but we'll let you know if that ends up not being the case.