DynamicSlow:with 1 very big card, 2 bigs, 4 standards

Build 733 on ab/add-message-us-component
740px
Reviewing disabled
Baseline History
Build 73369527e5
Current build. There are unaccepted changes, so build 663 is still the baseline.
Build 53948b8309
Accepted by Georges Lebreton.
Build 388b8c2379
Accepted by Max Duval.
Build 139e54aee4
Accepted by Georges Lebreton.
Commenting is disabled because there's a newer build on this branch