As tests using --sqlite-cacheworldrow showed a consistently lower performance than without, this option was effectively disabled. It is still recognised for compatibility, but it may be removed some time in the future.
(thanks to clang for reporting the issue :-)
Patches included/ported: 2553e44e8dec75d99408b56f469ff4be61c84336 79d338a90c1a99fce9334bea5d4c296f190373fc