If you have a lot of upgrades, you may have noticed that opening the upgrade tab in your inventory causes a severe slowdown of the game. That's because each upgrade counts as a unique card, and BattleForge's card sorting algorithm is terrible.
The proposal is a fix that will prevent the upgrades tab from showing "used" upgrades. In other words, when you click the upgrade tab, you will now only see the upgrades which have not been applied to cards. This will stop your game from freezing when