# Presto 316 Documentation

## 12.67. Release 0.166

## General Changes

- Fix failure due to implicit coercion issue in `IN` expressions for certain combinations of data types (e.g., `double` and `decimal`).
- Add `query.max-length` config flag to set the maximum length of a SQL query. The default maximum length is 1MB.
- Improve performance of `approx_percentile()`.

## Hive Changes

- Include original exception from metastore for `AlreadyExistsException` when adding partitions.
- Add support for the Hive JSON file format (`org.apache.hive.hcatalog.data.JsonSerDe`).

## Cassandra Changes

- Add configuration properties for speculative execution.

## SPI Changes

- Add peak memory reservation to `SplitStatistics` in split completion events.