# Presto 316 Documentation

## 12.139. Release 0.105

## General Changes

- Fix issue which can cause queries to be blocked permanently.
- Close connections correctly in JDBC connectors.
- Add implicit coercions for values of equi-join criteria.
- Fix detection of window function calls without an `OVER` clause.

## SPI Changes

- Remove `ordinalPosition` from `ColumnMetadata`.

Note

This is a backwards incompatible change with the previous connector SPI. If you have written a connector, you will need to update your code before deploying this release.