Issue Summary

Customer is seeing slower performance when opted-in the new Trello experience (Trello Personal Productivity). Boards and cards load more slowly, and there is an input lag in the editor.

Steps to Reproduce

1. Opt-in Beta or have your account automatically opted in the new experience.
2. Open a board
3. Make any actions as opening a card, trying to edit and save, switching between cards, etc

Expected Results

Instant action

Actual Results

There's a lag on the actions.

Workaround

For users who opted in beta manually, it's possible to opt-out beta to avoid this issue.
No workaround available for users automatically opted in.