QA:QA Backwards Compat

Build 975 on main
1200px
Reviewing disabled
Baseline History
Build 9752fa9d97 current baseline
Current build. Auto-accepted
Build 971c5a95e2
Accepted by Josh Wooding.
Build 9700a2a165
Auto-accepted
Build 9516b2d26d
Auto-accepted
Build 950d26f26e
Accepted by Zhihao Cui.
Commenting is disabled because there's a newer build on this branch