Yes, but they decided to keep it to 7.1, not 7.0, which meant the majority of the perf upgrades were available to most users who migrated to 7.0 _easily_. 7.1

Yes, but they decided to keep it to 7.1, not 7.0, which meant the majority of the perf upgrades were available to most users who migrated to 7.0 _easily_. 7.1 was where all the breaking changes got pushed as a result.