You can now use repeatable read isolation (in Preview) to reduce latency and transaction abort rates for workloads that have many reads contending with fewer writes

## Feature You can now use repeatable read isolation (in [Preview](https://cloud.google.com/products#product-launch-stages0)) to reduce latency and transaction abort rates for workloads that have many reads contending with fewer writes. For more information, see [Repeatable read isolation](https://cloud.google.com/spanner/docs/isolation-levels#repeatable-read).