The color of Cactus armour and limestone suit in craft tab indicate that it has already unlocked/crafted even before player crafted it. The correct color should be grey or maybe red before it is crafted, just like another item that needed alchemy engine or science machine to craft.
Steps to Reproduce
1. Play shipwrecked 2. Built science machine 3. Open craft tab and search for limestone suit and cactus armour
1. Play shipwrecked 2. Built science machine 3. Open craft tab and search for limestone suit and cactus armour
A developer has marked this issue as fixed. This means that the issue has been addressed in the current development build and will likely be in the next update.