App|acceptance:cra-react15

Build 10866 on next
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Baseline History
Build 10866d590ef6
Current build. There are unaccepted changes, so build 10850 is still the baseline.
Build 10834236c5ac
Accepted by Michael Shilman.
Build 1081538ba058
Accepted by Kai Röder.
Build 10806714c3f3
Accepted by Michael Shilman.
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