Todays patch notes confusing.

"- Tradable: Tradeskill Component Depot Slot (x20) no longer stack.
- The Overseer reward for Extra Life can now only be claimed after Seeds of Destruction is open.
- The Majestic Mallard Mount reward for Extra Life can now only be claimed after Shadows of Luclin is open.
- Royal Antonican weapon ornament rewards can no longer be claimed while socketed into a weapon."

The confusing part is "can now only be claimed." Was it different before the patch?

dont stack? i just bought like 17 of them from someone lol. was cheap only 2m each. yea they stacked to 20.

"- Tradable: Tradeskill Component Depot Slot (x20) no longer stack."
Could someone please explain this line?

The tradable item that grants 20 TS Depot slots will no longer stack. Hope that helps.

There was a issue with them so they made them unstackable now.

They were being eaten and not granting the feature because stacking does weird things. Those who had a stack of them in their inventory before this change will find the rest in their item overflow.