They were white inside, instead of chocolate.
Did they change Thin Mints?
Yes, your beloved Thin Mints are not the same. That's because Girl Scout cookies are actually made by two different bakeries, ABC Bakers and Little Brownie Bakers (LBB), which have their own cookie recipes, cookie flavor names, and even cookie box design.
Did Girl Scout cookies change size?
As the cost of baking and transporting the group's famous sweets shoots through the roof, the Girl Scouts of the USA has decided to package fewer cookies into boxes of Thin Mints, Do-si-dos and Tagalongs and to shrink the Lemon Chalet Creme cookies.