trinkets upgrade

In preseason 6 riot said that the trinkets would upgrade automatically but ever since preseason 6 started i have had to upgrade my trinket myself is it a bug or am i missing something about the upgrade like a condition to fulfill in the rift or something like that.

We're testing a new feature that gives the option to view discussion comments in chronological order. Some testers have pointed out situations in which they feel a linear view could be helpful, so we'd like see how you guys make use of it.

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