## What's Changed * Set upgrade to referred user goes to idx 2 (tier 3) (backport #3201) by @mergify[bot] in https://github.com/dydxprotocol/v4-chain/pull/3203 * feat(comlink): Per-route rate limiters for candles, orders, fills, ... (backport #3199) by @mergify[bot] in https://gi…